What is a unit for temperature

tank contains helium gas at 490 mm Hg, nitrogen gas at 0.75 atm and neon at 520 torr. What is the total pressure in atm? 2.1 atm 0.55 atm 1.5 atm 5.1 atm 51 atm

3. Discuss the difference between molarity and molality, state the units of each, state the symbol for each, and give an example of how each can be used when you are determining the concentration of a solution.

Ph indicator strips work by changing color in the presence of solutions with varied ph values. thinking about your procedure steps and results in part 1, why do you think the ph of the unknown weak acid was not determined with ph indicator strips

In terms of molecular motion, why does an increase in pressure lead to an increased solubility of a gas?

If the temperature is kept constant, what change in volume would cause the pressure of an enclosed gas to be reduced to one-third of its original value?

Summarize the acid-base behavior of the main-group metal and nonmetal oxides in water. How does oxide acidity in water change down a group and across a period?

What is an atom?

Sodium will react with oxygen to form sodium oxide. use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction.

How many atoms in 2.8 mol of neon?

Which best explains why blood and the cytoplasm of cells are mainly composed of liquid water? a. Water is a common substance and is readily available. b. Water is an important transport and reaction medium. c.