What is the molar mass of a substance?

the mass in grams of one mole of a substances

the number of particles in one gram of a substance

the number of moles in one grár of a substance

the mass in grarns of one particle of a substance

When the ideal gas law is arranged as shown below, what property of the gas is being solved for (represented by the X) ? x equals PV over nR

The systematic names for water, ammonia, and methane are dihydrogen monoxide, H2O; trihydrogen nitride, NH3; and tetrahydrogen carbide, CH4. Why do most people, including chemists, prefer to use the common names for these compounds?

What is the atomic mass of dinitrogen trioxide (atomic mass of oxygen=15.999 u; atomic mass of nitrogen = 14.007 u) ?

Name three populations found in a prairie ecosystem

A balloon contains 5.5 L of air at 303 K and 101.3 kPa. After an hour, the air inside the balloon cools to 297 K. What is the final volume of the air in the balloon, assuming that it is an ideal gas and that the pressure does not change?

What is the octet rule and how does it explain the formation of ionic compounds?

Can somebody explain step by step how to solve decomposition reactions?

Which of the following statements are correct about the chemical reaction? H2 + O2 - > H2O2 versus 2 H2 + O2 - > 2 H2O? They are both balanced chemical equations. The two reactions are equivalent. The laws of thermodynamics apply to both.

What do chemists use to describe a chemical reaction

When you drop a sugar cube in a glass of water, at first the water doesn't taste sweet. Later, it tastes very sweet. Eventually, the water will taste equally sweet throughout. What term explains molecule movement to maintain a balance?