Chemistry

Helpppp!!! Which Advantages do instrumental methods of chemical analysis have over traditional methods?A. Accuracy, Sensitivity, identification, and automation B. Accuracy, sensitivity, outsourcing, and automation C. Accuracy, analysis, rapidness, and automation D. Accuracy, sensitivity, rapidness, and expertiseE. Accuracy, sensitivity, outsourcing, and automation
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How are humidity and precipitation related?A. When humidity is low, the chance of precipitation is high.B. When humidity is high, the chance of precipitation is high.C. When humidity is high, the chance of precipitation is low.D. Changes in humidity do not cause precipitation.
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Select the chemical formula that contains 10 atoms of hydrogen.2C4H102CH42C2H52C2H6
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Carbon dioxide ( a greenhouse gas) is breathed out by billions of people all over the world? Yes or no
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Which of these is not a Decomposer? *A. FungiB. BacteriaC. FlowersD. Worms
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This is for science Identifying an Unknown Substance (continued)Which of these substances do you think is the unknown substance the criminal used to make ahole in the glass? (highlight one)A hydrobromic acidB hydrofluoric acidC iodine monochlorideD perchloric acidExplain your answer.
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C.A 35.5 g cube of aluminum initially at 48.5 C is submerged into 105.3 g of water at 15.4What is the final temperature of both substances at thermal equilibrium?
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What do the colors of light combine to make _______________ light.
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If the volume of an ideal gas is 22.5 L when it is at a temperature of 365 K, what will the volume be when the gas cools to 338K? Be sure to show your work and proper units.
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What is the formula for silicon tetrachloride?aSiCl4ObSi4ClSiC14OdSigCl
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Calculate the molarity of a solution that contains 85.0 g of Zn(C2H3O2)2 in 250. mL of solution (don't forget to convert mL to L first). Round to the nearest hundredth.
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What is the percent composition of Br in CuBr3?
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RipromanoTo help ripromano Sorry email won't work on the school computer had to do it this way. Hope this is the right project
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Silver nitrate reacts with calcium chloride asshown.2 AgNO3 + CaCl2 2 AgCl + Ca(NO3)2How many grams of CaCl2 would be required to completely react with 420 mL of0.506 M AgNO3 solution?Answer in units of grams.
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Help me please Answer & exp.
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What element is steel mainly composed of? A. IronB. CarbonC. ManganeseD. Silver
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PLZ HELP WILL BRAINLIEST balance the following equation: N2 + H2 --> NH3 Write the coefficients that you decide to balance the equation like this 3, 4, 3. If you do not add a coefficient in front of an element or compound, use a 1 in your answer. For instance the for this balanced equation: 2H2 + O2 --> 2H2O you would write your answer: 2, 1, 2
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What is the speed of a wave with a wavelength of 3 m and a frequency of .1 Hz?
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6CO2 + 6H20 C,H120, + 6026. How many molecules of CO2 are presenta7. How many atoms of oxygen are present in the reactants?8. How many atoms of carbon are present in the products9. How many total atoms are present in C.H120,?10. Is the equation above balanced or unbalanced?
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A removal of the predator populations from an ecosystem would most likely result in
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I need help boys-girls
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What is the specific heat capacity of an unknown metal if 75.00 g of the metal absorbs 418.6J of heat and the temperature rises 25.0C?
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Lithium nitride consists of two ions chemically bonded together. What are the charges of each ion?O A. Li^3- and N^+O B. Li^+ and N^3-O C. Li^3+ and N^-O D. L^i- and N^3+
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i need help with this guys
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