Which fossil fuel accounts for 95% of consumption for transportation?

A) natural gas

B) coal

C) oil

D) nuclear energy

Find the number of chromium ions in 3.5 mol of chromium ions.

3 NO2 (g) + H2O (ℓ) - → 2 HNO3 (ℓ) + NO (g) If 716 L of NO2 gas react with water, what volume of NO gas will be produced? Assume the gases are measured under the same conditions. Answer in units of L.

How does the type of bonds present in a substance influence the chemical and physical properties of that substance?

Which of the following elements has the lowest electronegativity? a. bromine b. lithium c. carbon d. fluorine

Draw the products for the proton transfer reaction between sodium hydride and ethanol

Which of the following types of electromagnetic waves has a frequency greater than ultraviolet waves? A) X rays B) infrared waves C) microwaves D) visible light

For each metal complex give the coordination number for the metal species. m (nh34cl2

Particles in a liquid move around just as freely as particles in a solid. True or False

How did aristotles idea of matter differ from that of scientists

How does ease of oxidation correlate with activity? Do highly active metals tend to donate electrons or accept electrons from other metals?