Has a total of twelve $5 and $10 bills in his wallet. He has

5 times as many $10 bills as $5 dollar bills. How many of each does he have?

The number of protons in an atom is equal to the number of

What are Jupiter s moons composed of?

23 An insect dies, and its body begins to decompose and become part of the soil. What is decomposing the insect's body? ОА. rain and wind OB A dead animal decomposes by itself. OC. fungi and bacteria in the soil OD. sunlight and air

A catabolic process is a process in which molecules are broken down and energy is released. molecules are broken down and energy is absorbed. molecules are combined and energy is released. molecules are combined and energy is absorbed.

Substance which allows energy to pass through it

How can you use Hess's law to determine a reaction's enthalpy?

7. How much energy in KJ is released when 15.0 g of steam at 100.0 degrees Celsius is condensed and then frozen to ice at 0.0 degrees Celsius?

Consider the reaction: 8H2S (g) + 4O2 (g) →8H2O (g) + S8 (g). Δ[H2S]/Δt = - 0.033M/s. Find Δ[O2]/Δt. Δ[H2O]/Δt. Δ[S8]/Δt. Find the rate of the reaction.

At room temperature and pressure what is the volume of one mole of oxygen?

Ibuprofen, a common pain remedy, has an empirical formula of C7H9O and a molar mass of approximately 218.078 grams per mole. What is the molecular formula of ibuprofen?