In ancient Greece, it was proposed that matter is composed of Earth, air, water, and fire and that these elements have what?

Which best defines nitrogen fixation

Living organisms all have dna and rna which are both

How many grams of beryllium are needed to produce 36.0 g of hydrogen assume an excess of waater be (s) + 2h2o (l) be (oh) 2 (aq) + h2 (g) ?

N2 (g) + 3H2 (g) + 2NH3 (9) What will happen if pressure is increased?

When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced.?

Calculate the number of ATPs generated by the complete metabolic oxidation of tripalmitin (tripalmitoylglycerol). Hydrolysis of the triacylglycerol occurs at the cell surface.

If a gas is moved from a large container to a small container but its temperature and number of moles remain the same, what would happen to the pressure of the gas? It would increase. It would be halved. It would stay the same.

Which of the following would require the largest volume of 0.100 M sodium hydroxide solution for neutralization?: (A) 20.0 mL of 0.0500 M nitric acid (B) 15.0 mL of 0.0500 M hydrobromic acid (C) 5.0 mL of 0.0100 M sulfuric acid (D) 10.0 mL of 0.

Approximately what volume do 3.0 moles of kr gas occupy at stp? 80.0 40.0 l none of the above 20.0

What is the correct formula when Aluminum and Nitrogen are combined? a. Al3N b. AlN c. AlN3 d. Al2N