Which equation is NOT balanced? a. 2H2 + O2 → 2H2O c. Fe2O3 + 3H2 → 2Fe + 3H2O b. 4NH3 + 5O2 → 4NO + 6H2O d. 3H2 + 2O2 → 2H3O

Pricing the product low in order to stimulate demand and increase the installed base, then trying to make high profits on the sale of complements that are relatively high in price, is known as the:

Copper has two stable isotopes 63cu and 65cu. 63cu has an abundance of 69.09%. the other isotope, 65cu, has an abundance of 30.91%. calculate the average atomic mass of copper.

What amount of moles does 60.5 L of carbon dioxide occupy at 2.15 atm and 25 degrees C? 4.3 moles 5.3 moles 9.3 moles 2.5 moles

During vaporization, a substance changes from a liquid to a (n) blank. (fill in the blank)

Choose the statement below that is correct for gas particles according to KMT. 1. At a given temperature, the KE of a gas is directly related to the molar mass. That is, as the mass of the gas particle increases, its KE increases. 2.

Most modern forms of transportation are powered by fossil fuels. Carbon dioxide, methane, carbon monoxide, and other gases are released into the atmosphere during the production and combustion of these fuels.

Does the reaction of a burning candle give off or absorb heat

1. Describe the difference between valence and core electrons.

How are deltas and rivers similar?

You plan to separate a polar and a non-polar compound using normal phase column chromatography technique. Methylene chloride (CH2Cl2) and hexanes (C6H14) are the solvents to be used to elute the column. Which solvent should be used first