Methane is a type of coal.

true or false

A chemist requires 0.811 mol Na2CO3 for a reaction. How many grams does this correspond to?

How many moles of NH3 DOES it take to make 8.0 moles of H2O according to the reaction shown, 4NH3 + 5O2 yields 4NO + 6H2O A) 8.0 mol B) 3.5 mol C) 12.0 mol D) 5.3 mol

If one species in a community does out or moves, the community will A) be affected. B) stop working. C) not be affected. D) replace the species.

How are air pressure and wind related? Stronger winds will blow between two regions if they have the same air pressure. A greater difference in air pressure between two regions will cause stronger winds to blow.

What chemical reaction occurs in glow sticks?

Formula: C8H9O2N Which element is present in the the greatest proportions by number of particles?

Diatomic molecules of gases are due to ___ bonds.

A hypothetical element consists of 2 isotopes of masses 84.95 amu and 86.95 amu with abundance of 37.1% and 62.9% respectively. What is the average atomic mass?

How do polar molecules respond when they are placed between two metal plates one positively charged and one negatively charged?

As the temperature of a gas increases, the volume also increases. Which kind of relationship exist between temperature and volume? divergent direct O inverse O no relationship