If a mineral has a daughter to parent ratio of 3:1 (three daughter atoms for every one parent atom), how many half lives have passed since the mineral formed

What is the volume in liters of 3.14 kg of ethylene glycol?

The concentration of the stock solution she needs is 100 milli molar (mm) and she needs to make 1.2 milli liters (ml) solution of the drug-a. the drug is available in a salt form with a molecular weight of 181.6 grams / mole.

Which are steps in the formation of hail pellets? Check all that apply. They are tossed up and down in clouds. They gain layers of ice and grow larger. They grow to less than 5 mm in diameter. They grow too heavy and fall to the ground.

Why do you think it took so long for people to accept the concept of atoms

Which commercial technology commonly uses plasmas? O a radio O a race car O a television a microwave oven

The temperature of 15 grams of water increases by 3.0 degress. how much heat was absorbed by water?

What are the four types of stoichiometry problems?

100 ml oxygen at 1.75 atm and 200ml nitrogen at 0.6 atm are passed to a 500 ml vessel. Calculate the total pressure of the mixture in the vessel at same temperature

Which is the best metal to use in an alloy to increase its electrical conductivity

Ice does not need to melt into liquid water before it can return to the atmosphere as water vapor. a. True b. False