How are humans disrupting the nitrogen cycle?

A:sewage runoff

B:excess fertilizer

C:the use of fossil fuels

D:all of the above

A gaseous sample of nitrogen contains 2.41 grams (0.086 mol). What volume does this mixture occupy at 28 °C and 1.05 atm of pressure? Hint = Be sure to convert to Kelvin first! 0.19 L 0.38 L 1.8 L 2.0 L 4.0 L

The scientific study of the behavior of matter near 0 K is called

Metals (M) in group 2 of the periodic table form ionic bonds with nonmetals (X) present in group leading to formation of ionic compound with general formula of MX. a 17 b 16 c 18 d 15

What is the definition of thermal equilibrium

what volume would CO2 in problem 1 occupy at STP? problem 1's answer was 1.1x10^3 grams in 1.5x10^25 molecules of CO2

A scientific theory never changes. ture or false?

A wireless computer network uses radio waves to transmit signals. What device sends and receives radio signals in a wireless network? A) modem B) router C) digital translator D) digital interpreter

1. The gradual wearing away or breaking down of rocks by abrasion is a what type of weathering.

Molecules involved in a chemical reaction must meet to react. What is this concept called? Enthalpy Collision theory Enthropy Reaction rate

If a compound has a molar mass of 180 g/mol and its empirical formula is CH20, what is its molecular formula? CH20 C₂H4O2 C6H1206 C12H22011