Which of the following is a pure substance?
a. soda
b. gun powder
c. sugar water
d. steam

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?