How many moles

are equal to

4.11x1023

molecules of

CO2?

Problem page solid magnesium carbonate decomposes into carbon dioxide gas and solid magnesium oxide. Write a balanced chemical equation for this reaction.

The decomposition of potassium chlorate yields oxygen gas. If the yield is 895%, how many grams of KClO3 are needed to produce 10.0 L of O2? 2KClO3 (s) - - > 2KCl (s) + 3 O2 (g)

The intermolecular forces between particles in a solid are select one: a. stronger than those in a liquid. b. too weak to hold the particles in fixed positions. c. weaker than those in a gas. d. of different types than those in a liquid.

Bromine gas in a container is heated over a flame. What happens to the average kinetic energy of the bromine particles? A.) It decreases rapidly. B.) It increases quickly. C.) It remains the same. D.) It decreases slowly.

What is the simplest whole number ratio of atoms in a molecule or formula unit called? the molecular formula the molar mass the percent composition the empirical formula

How many formula units are there in 2.3g of NH4SO2

In a cooking context, which of the following materials is the best heat conductor? A. Any dense liquid B. Iron C. Gas D. Glass

When you open a bottle of soda, bubbles of carbon dioxide start appearing. Is this a chemical or physical change and why?

Al2 (SO3) 3 what are the number of atoms

How marly electrons are in an atom of elemental sodium?