22.4 L of a gas at a temperature of 0°C are at a pressure of 2.0 atm. How many moles of gas are contained in the sample?

0.5 mol

1.0 mol

2.0 mol

3.0 mol

What are pigments? How do they work?

How does vinegar react to baking soda

What is the percent composition of each element in S2Br

What is another name for the mormons?

What statement does not accurately describe the following equation? C6H12O6+--->6H20+6CO2+energy A) oxygen is a react ant B) this reaction is endothermic C) Eighteen atoms of oxygen are found as both part of the reactants and the products D) This

Base on its molecular mass, what is the molar mass of iron

For the following reaction in aqueous solution, identify all those species that will be spectator ions. Select all that apply. Na, SO4+Hg (NO3) 2HSO4+2NaNO3 Choose one or more: A. Hg2S04 B. Na2S04 C. Nat D. NO3 E. SO42- F. Hg2 (NO3) 2 G. NaNO3 H.

One mole of which hydrocarbon requires 8 mol o2 to achieve complete combustion to give carbon dioxide and water?

How many bromine atoms are present in 39.9 g of CH2Br2

Chemists use activity series to determine whether which type of reaction will occur?