How do you make the balanced equation of making ammonia?

__ N² + __ H² → __ NH³

(with steps to solve)

A gas law known as Gay-law Lussac's asserts that a gas's pressure (when kept at a constant volume and mass) varies directly with its absolute temperature

A gas law known as Gay-law Lussac's asserts that a gas's pressure (when kept at a constant volume and mass) varies directly with its absolute temperature. In other words, while the mass is fixed and the volume is constant, the pressure a gas exerts is proportional to the temperature of the gas.

In the year 1808, French scientist Joseph Gay-Lussac created this law. Gay-law Lussac's can be expressed mathematically as follows:

P ∝ T ; P/T = k

Where:

P is the pressure that the gas is applying.

T is the gas's actual temperature, while k is a fixed value.

The tire pressure of a car increases after driving. This is due to the air inside the tires heating up as a result of friction (a contact force) between the tires and the road. Gay-Law Lussac's states that because the air cannot expand because the tires are effectively fixed-volume containers, the pressure rises.

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The mole ratio of the reactants and products is

a. 2 : 1 : 2

b. 1: 2:1:1

The ratio of the mole quantities of any two compounds present in a balanced chemical reaction is known as the mole ratio. A comparison of the ratios of the molecules required to accomplish the reaction is given by the balancing chemical equation. The coefficients of each species in the reactants and products are used to calculate the mole ratio of the reactants and products. The mole ratio of the reactants and products, as demonstrated by the equation in the question, is 2: 1: 2 and 1:2:1:1 respectively.

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The answer is 20.46g.

As we know that

1 mole of CO2 has 6.02 x 10^23 molecules of CO2.

Now, let's say x moles of CO2 has 2.80 x 10^23 molecules of CO2.

Therefore,

               x = 2.80 x 10^23 / 6.02 x 10^23 = 0.465

As, M = nmr

  M = 0.465 *( 12 + 2x16)

      = 0.465 *( 12 + 32)

      = 0.465 * 44

      = 20.46g

Answer:

3 (e

Explanation:

A nuclear reaction like α decay takes place in the nucleus of an atom.An element becomes a different element. A chemical reaction like the formation of NaCl involves rearranging the electrons, which are outside the nucleus. The elements are not change. Salt is consists of sodium and chlorine.

The splitting of the uranium-235 nucleus when it is blasted with neutrons is a crucial illustration of nuclear fission. This nuclear reaction can result in a number of different compounds.

Nuclear vs Chemical reactions

1. Alpha decay

U₉₂²³⁸ ⇒ He₂⁴ + Th₉₀²³⁴

A nuclear reaction like α decay takes place in the nucleus of an atom.

An element becomes a different element.

2. Chemical reaction

Na· + ·Cl ⟶ Na⁺ + Cl⁻

A chemical reaction like the formation of NaCl involves rearranging the electrons, which are outside the nucleus.

The elements are not change. Salt is consists of sodium and chlorine.

Thus, A nuclear reaction like α decay takes place in the nucleus of an atom.

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We can use the distance when the meter stick fell before you caught it to figure out your reaction time.  

Meterstick is either a straightedge or foldable ruler which is used to measure a  length, and is especially common in the construction industry. They are often made up of wood or plastic, and often have metal or plastic joints so that they can be folded together. Metersticks are usually divided with lines for each millimeter (1000 per meter) and numerical markings as per centimeter (100 per meter), with the numbers or either in centi- or millimeter.

Formula is the basis: d = 1/2 gt2. In this formula, “d” is equals to the distance the object fell, “g” equals to gravitational acceleration (9.8 m/s2), and “t” is the time the object was falling.

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The pressure of N2O gas at a density of 3.10 g/L and a temperature of 298 K is 751 mmHg. To calculate the pressure of the N2O gas at a given density and temperature, we can use the ideal gas law: PV = nRT.

We know that the density of the gas is 3.10 g/L, and the temperature is 298 K. To find the pressure, we can assume that the volume of the gas is 1 L, and solve for pressure. where P is the pressure of the gas, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin.

The density of a gas can be converted to moles using the formula:

Density = m/V

m = Density*V

Now we can use the ideal gas law to calculate the pressure:

P = (mRT)/V

R is the ideal gas constant = 0.0821 L atm K^-1 mol^-1

P = (3.10g0.0821 L atm K^-1 mol^-1298 K)/1 L

P = 751 mmHg

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Answer:

a.LiF

b.BeO

c.MgF2

d.AlCl3

e.Be3N2

Explanation:

So, the main thing with chemical formulas is making sure that the cation and anion's charges will cancel out if you add the total sum of charges together.

For A, halogens only form -1 charge ions, so F will have to be F-. Lithium, being a group 1 element, will form an ion of Na+. Therefore, the formula is NaF.

For B, Beryllium is a Group 2 element that forms +2 charges, while Group 16 elements like O form -2 charges. Therefore, BeO would work as the sum of charges will equal zero.

For C, Magnesium is a Group 2 element, so it has a +2 ion, while fluorine is a halogen, so a -1 charge for the F- ion. So, you need two F- ions to balance out one Mg2+ ion. So, it is MgF2

For D, Aluminum is a Group 13 element, which can form +3 charges. Therefore, Al can form a +3 charge, so that means for Cl- (recall it is a halogen,) it needs three Cl- ions to cancel one Al3+ ion. So, it is AlCl3.

For E, Group 15 elements like N form -3 ions, so the ion for nitrogen is N3-. Beryllium is a Group 2 element, so it is Be2+. The common multiple of 3 and 2 is 6, so you need to find a way to have a +6 and -6 charge. So, three Be2+ ions (totaling a net charge of +6) need to cancel with two N3- ions (again a net charge of -6) to form the compound. Therefore, it is Be3N2.

The ocean current is caused by differences in water density. The difference in the density of water is mainly caused by the temperature and salinity of water.

Density of a substance is the measure of its mass per unit volume. It describes how closely its particles are packed within a given volume. Density of a substance is dependent on the temperature and pressure also.

The density of water is affected by the temperature and salinity. Water has its maximum density at 4 ° C. The more saline is water, more will be the density. Because, more ions or salts makes water denser.

The density vary with variations in temperature and salinity. This variation causes water currents from the denser areas to the less dense areas. Ocean currents are also affected by the gravity.

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A neutral atom of Nitrogen will have seven protons.

The symbol given for Nitrogen is N, the atomic number 7. Atomic number is equivalent to the number of protons in an atom. So, for Nitrogen, the number of protons is 7.

A neutral atom is an atom which consists of the same number of protons and the same number of electrons. Neutral atoms will have the equal number of protons in the nucleus as they have electrons orbiting the nucleus.

In a neutral atom, the total charge on the atom is zero. Atom has same number of protons and electrons in it. For example, neutral atom of Sodium, with atomic number 11, has 11 protons and 11 electrons in its neutral state.

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Yes, the aerosol given off by an e-cigarette can contain dangerous chemicals, such as nicotine, ultrafine particles, volatile organic compounds, and heavy metals.

Inhaling these chemicals can increase the risk of lung and heart disease.

E-cigarettes are becoming increasingly popular as an alternative to tobacco-based cigarettes. However, many people are unaware of the potential dangers associated with using e-cigarettes. The aerosol produced by e-cigarettes can contain not only nicotine, but also other chemicals and particles that can be harmful to the user’s health. These include ultrafine particles, volatile organic compounds, and heavy metals such as lead and nickel.

When these particles and chemicals are inhaled, they can cause inflammation and irritation of the lungs and airways, leading to a variety of respiratory illnesses.

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Marie Curie is credited with the discovery of radium. In 1898, she and her husband Pierre Curie discovered the element while experimenting with pitchblende, an ore containing uranium. They isolated a new substance, which they named radium, after the Latin word for ray.

Uranium is a naturally occurring element that is found in rocks and soil. It is a dense, silvery-white metal that has the highest atomic weight of all elements. Uranium is slightly radioactive and produces energy when it undergoes nuclear fission. It is an important source of energy generation and is used in nuclear reactors to produce electricity. Uranium also has a variety of other uses, such as in military applications, medical imaging, and industrial processes. It is a nonrenewable resource, and its supply is limited. Due to its radioactive nature, uranium must be handled with caution and special safety precautions must be taken to protect against the radiation it

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Answer: its D-  Marie Curie

Explanation: I got it right on the test! hope this helps :)

The given sample of matter has the lowest average kinetic energy is 50g at -55°C and 2.0 atm option - A is correct answer.

The force an object experiences as a result of motion is known as kinetic energy. An object can only accelerate if a force is applied to it. We have to put in the effort to use force. Once the work is done, energy is transferred to the object, which then moves at a new, constant speed.

Kinetic energy, which can be seen in the motion of an object or subatomic particle, is the energy of motion.

The average kinetic energy is the subject of the query. Thus, the only connection is to temperature. Kinetic energy increases with increasing temperature and decreases with decreasing temperature.

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The product of the reaction between 2-butene and hydroiodic acid (HI) is 2-iodobutane.

The reaction mechanism involves a nucleophilic substitution, where the iodine atom in HI acts as the nucleophile and attacks the carbon atom in the double bond of 2-butene. This results in the formation of a carbocation intermediate, which then undergoes a rearrangement to form 2-iodobutane. The overall reaction can be represented as follows: 2-butene + HI → 2-iodobutane + H2.Nucleophilic substitution is a type of chemical reaction in which a nucleophile (a molecule or ion with a lone pair of electrons) attacks an electron deficient species, known as an electrophile, to form a new chemical bond. In the process, the electrophile's original electron pair is replaced by the nucleophile. Nucleophilic substitution reactions can occur in a variety of ways, such as S N 1, S N 2, and S Ni (where i = 1, 2, or any other number).

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1.08 moles of water () produced by the reaction of 0.90mol of oxygen.

Explanation:

Moles of oxygen given = 0.90 mole

Moles of water are to be calculated.

Step 1 : Write the chemical reaction and balance it.

5 mole of  reacts with 4 mole of  to give 4 moles of NO and 6 moles of .

Step 2 : Calculate moles of water () utilising  mole ratio.

The coefficient of  is 6 and coefficient of  is 5, So mole ratio of  to  is 6 : 5

Moles of  = 0.90 × 6 (moles of ) ÷ 5 (moles of )

Moles of  = 1.08 moles

1.08 moles of  is produced by the reaction of 0.90 mole oxygen ()

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Protons, neutrons and electrons that carbon-14 have if it has a neutral charge is 6 electrons, 8 neutron, and 6 proton.

The total of an element's protons plus neutrons is that element's mass number. One atomic mass unit, or amu, roughly equals the weight of neutrons and protons. While atomic number equal to proton and electron.

The proton can be calculate as follows:

C−14 has atomic no = 6 and mass no = 14.

so

No of electrons = No of protons = atomic no = 6

No of neutron = mass no-atomic no = 14−6=8

Therefore,  Protons, neutrons, and electrons that carbon-14 have if it has a neutral charge is 6 electrons, 8 neutron, and 6 proton.

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Carbon Dioxide: CO2

Formula: C + O2

15.0 moles of CO2 contains (15.0 moles CO2) x (1 mole C / 1 mole CO2) = 15.0 moles of C

Carbon Dioxide: CO2

Formula: C + O2

15.0 moles of CO2 contains (15.0 moles CO2) x (2 moles O / 1 mole CO2) = 30.0 moles of O

Calcium Chloride: CaCl2

Formula: Ca + 2Cl

23.0 moles of CaCl2 contains (23.0 moles CaCl2) x (1 mole Cl / 2 moles Cl) = 11.5 moles of Cl

Sulfur Dioxide: SO2

Formula: S + O2

295.0 grams of SO2 contains (295.0 grams SO2) x (1 mole S / 64.066 grams) = 4.6 moles of S

Potassium Sulfate: K2SO4

Formula: 2K + S + 4O

295.0 grams of K2SO4 contains (295.0 grams K2SO4) x (1 mole S / 174.259 grams) = 1.69 moles of S

Iron: Fe

Formula: Fe

565.0 grams of Fe contains (565.0 grams Fe) x (1 mole Fe / 55.845 grams) = 10.15 moles of Fe

metallic elements

SO2 is a covalent compound. It consists of one sulfur atom and two oxygen atoms joined together by covalent bonds, which are strong chemical bonds where electrons are shared between atoms.

H

|

O-H

A water molecule is polar because the electrons are not shared equally between the oxygen and hydrogen atoms. Oxygen is more electronegative than hydrogen, so it pulls the electrons closer to itself, creating a partial negative charge on the oxygen side of the molecule and a partial positive charge on the hydrogen side. This causes the molecule to have a dipole moment and makes the molecule polar.

NH3 (Ammonia) - the molecule is a pyramidal shape, which means that the Nitrogen is at the center and the three hydrogen atoms are located at the three corners of a pyramid.

H2O (Water) - the molecule is a V-shape, this shape is determined by the angle between the two bonding pairs and the two non-bonding pairs of electrons.

CH4 (Methane) - the molecule is tetrahedral shape, the carbon is in the center, and the four hydrogen atoms surround the carbon in a tetrahedral arrangement.

A color change

The formation of a precipitate

The evolution of a gas

A change in temperature

Uday Tahlan

If you perform a melting point test on a metal sample, you would expect to observe that the metal has a relatively high melting point compared to non-metallic materials. This is because of the strong electrostatic forces between the positive nuclei of the metal atoms and the negative electrons, which hold the metal atoms together in a tightly packed lattice structure. As a result, a large amount of energy is required to overcome these forces and melt the metal.

Metal samples are expected to be excellent conductors of heat and electricity when a conductivity test is performed on them. This is because electrons in metallic solids move through the metal fairly easily and are free to move around the lattice structure. This free movement of electrons allows heat and electricity to easily pass through the metal, making it highly conductive.

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There are 7 neutrons in an atom of nitrogen-14.

Nitrogen-14 is primarily an isotope of nitrogen, as is well known. We can also describe it as a neutral atom. Additionally, various isotopes typically have a variable ratio of neutrons to protons.

As is common knowledge, an atom's atomic number represents the total number of protons that make up its nucleus. We are informed that nitrogen has a mass number of 14, and we are also aware that nitrogen has an atomic number of 7.

It is discovered that the atomic number and the number of protons are same. This demonstrates that the nucleus of any atom that is an isotope of nitrogen will in general have seven protons.

Additionally, the number of electrons equals the amount of protons. The number of electrons will therefore be 7, we can say. We shall now determine how many neutrons are there. As is well known, mass is equal to the sum of the protons and neutrons. As a result, there will be = 14 - 7 = 7 neutrons.

As a result, we may say that nitrogen-14 has 7 electrons, 7 protons, and 7 neutrons and that it is neither an anion nor a cation. It's an impartial atom.

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A decrease in temperature could account for the weakening of hurricanes when they reach the Atlantic Ocean. hence option A is the correct answer.

There must be warm ocean water and wet, humid air in the area for one to form. When humid air flows upward at a low-pressure zone over warm ocean water, water is released from the air, resulting in storm clouds. The air in a hurricane rotates as it rises.

Hurricanes begin with the evaporation of warm seawater, which causes water to be pumped into the lower atmosphere. When converging winds collide and turn upwards, this humid air is pulled aloft.

Hurricanes arise when warm, moist air rises over sea. Cooler air replaces the rising air. Large clouds and thunderstorms continue to form as a result of this process. Because of the Coriolis Effect, these thunderstorms continue to expand and begin to rotate.

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There are 0.034 x 1019 = 10¹⁹ moles of molecules in 10 g of aspartame.

Avogadro's constant, 6.022 1023, and the molar mass of the material are used to calculate the number of molecules in a given mass of the substance. Aspartame's molecular formula is C14H18N2O5.

Aspartame has a molecular mass of 294 (12 * 14 + 1 * 18 + 14 * 2) + 16 * 5)

Let's convert the 10 mg mass supplied to aspartame moles as follows:

Amount of moles =

= 0.034 × 10 ⁻⁵ mole

We may convert this number to molecules using Avogadro's constant as follows:

= 0.034 × 10 ⁻⁵ (6.022 × 10²³)

= 0.034 × 10¹⁹

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Based on concepts you learned in the lesson, Barrett who says he can’t wait until we discover element 120 in our environment is correct because we discover new elements everyday.

This is referred to as a chemical substance that cannot be broken down into other substances and examples include sodium , hydrogen etc.

We can infer from this argument that Barrett is correct because new elements are being discovered by scientists from time to time so it is false to say they won't be discovered anymore,.

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Answer:

0.0272 moles

Explanation:

The number of moles of acid that were neutralized can be found by multiplying the volume of the base (in liters) by its concentration (in moles/liter) and then multiplying that value by the stoichiometric coefficient of the acid in the balanced chemical equation for the neutralization reaction.

To begin, we need to convert the volume of the base from milliliters to liters.

50.40 mL = 0.0504 L

Next, we can multiply the volume of the base (in liters) by its concentration (in moles/liter) to find the number of moles of base used in the titration.

0.0504 L * 0.542 M = 0.0272 moles

Since this is a neutralization reaction between a monoprotic acid and a strong base, the acid:base ratio is 1:1.

So the acid that has been neutralized is also 0.0272 moles.

If it forms ions with ammonium in the ratio of (NH4)3X, X could be in Group IV A. Group IVA (14) metals form cations with +4 charge, although tin (Sn) and lead (Pb) can form cations having +2 charge.

A covalent link (a shared pair of electrons) in which both electrons originate from the same atom is known as a coordinate bond (also known as a dative covalent bond). Two atoms sharing a pair of electrons make a covalent connection. Because the electron pair is drawn to both nuclei, the atoms are kept together.

An arrow pointing from the donor to the acceptor, with a positive charge on the donor and a negative charge on the acceptor, is used to symbolize a coordinate bond.

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No, because  every M&M's is identical.

M&M's contain the same amount of protons, M&M's are the same hue. In other words, the size represents the various neutron counts.

Atoms of the same chemical element called isotopes each have a distinct mass number.

While isotopes can vary in mass, they never do so in atomic number (the amount of protons). You will use M&Ms to represent atoms because we are unable to see them. These objectives are use in M&Ms to determine the average atomic mass and to observe how different isotopes are.

In this the number show how many M&M's of that color and size are packed into that bags.

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Proton number is called atomic number.

The chemical element's atomic number, also referred to as the nuclear charge number, is determined by the charge number of an atomic nucleus. This is the quantity of protons in the nucleus of each of that element's atoms. The atomic number refers to the number of protons in the nucleus of an atom. The amount of protons in an element determines what kind of element it is.

Both protons and electrons are equal in number in a neutral atom. The mass of an atom, represented by the letter M, is equal to the total of its protons and neutrons in the nucleus.

The number of protons in the atom's nucleus is therefore equal to the atomic number (Z). in an uncharged atom.

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If the amount of H2 is doubled, then two moles of water have been created.

Hydrogen and water molecular interactions

Since one mole of H2 is required for the synthesis of one mole of water, doubling the amount of H2 would result in the formation of two moles of H2O. Hydrogen concentration and water content are connected. Five moles of water can be created if there are five moles of hydrogen available.

Similar to this, if 10 moles of hydrogen are accessible, ten moles of water can be produced, leading us to believe that if the amount of H2 is doubled, two times as many moles of water have been formed.

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Answer: 4 ATP molecules is produced in the glycolysis of 2 glucose molecules

The first stage of most carbohydrate catabolism, which is described as the breakdown of larger molecules into smaller ones, is glycolysis, which is a part of cellular respiration. Two Greek words that mean "to break down anything sweet" are the source of the word glycolysis. Two molecules of ATP are created during the breakdown of glucose and formation of pyruvate during glycolysis.

Explanation:

2 ATP are produced.

For every glucose molecule, meaning that for every 2 glucose molecules, 4 ATP will be created.

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