1. What is an air mass?

1.

a large body of air with the same temperature and moisture.

2.

any kind of cloud that produces rain, sleet, snow, or hail.

3.

a place where weather always changes in an extreme way.

Determine whether the sign of heat or work (relative to the system) is positive or negative. A metal cylinder is rolled up a ramp. (The metal cylinder is the system.) The fireman extinguishes the fire with foam and cools the environment.

Which has greater mass, 1 mole of iron atoms or 1 mole of lithium

The two electrodes cr (s) / cr3 + (aq) and fe (s) / fe2 + (aq) are combined to afford a spontaneous electrochemical reaction. the standard reduction potentials in v for cr3 + (aq) and fe2 + (aq) are - 0.74 and - 0.44, respectively.

Is fluorine a element, compound or mixture

The chemical combination of two or more different atoms in fixed amounts is called a

Vinegar is a solution of acetic acid, CH3COOH, dissolved in water. A 5.54-g sample of vinegar was neutralized by 30.10 mL of 0.100 M NaOH. What is the percent by weight of acetic acid in the vinegar?

Which nonmetal is a liquid at stp

How many moles does the mass quantity 130g of H2O have?

How many atoms are in 313.5 L of Bromine (Br) gas

Chemical reactions cause changes in: atoms molecules physical properties