Butane is made up of 4 carbon atoms and 10 hydrogen atoms. Which of these is the chemical formula for butane? A. 14CH B. C. D. 4C10H

What is the volume of 90.0 grams of ether if the density of ether is 0.70 g/mL? a) 1.1 x 10^2 mL b) 1.3 x 10^2 mL c) 6.3 x 10^1 mL d) 7.8 x 10^-3 mL

Which one is a true statement about endothermic reactions? Question 2 options: Energy is absorbed making it feel colder. The reaction container always feels hot. The reactants have less heat energy than the products.

B) How much hydrogen in Liters was used to make 0.0879 moles of H2O?

How many kilojoules of heat are absorbed when 2.00 L of water is heated from 19*C to 80*C? (Show all work including the equation you use to solve)

What numbers should be placed in the boxes from left to right? 3 and 6 2 and 9 6 and 3 9 and 2

Determine the number of hydrogen atoms in 1.5 moles of water, h2o, molecules

ALL salts are formed by ions. What does this tell us about the elements they are made of?

A sample of a material has 200 radioactive particles in it today. Your grandfather measured 400 radioactive particles in it 90 years ago.

What term expresses the ratio of moles of reactants and products according to the coefficients in the balanced chemical equation? A) mole ratio B) reactant ratio C) product ratio D) yield ratio E) none of the above

Equation for ammonium iodide + aluminum sulfide