How many molecules are in 165 g of carbon dioxide?

6.774 * 1024

2.258 * 1024

2.258 * 1025

6.774 * 1024

Which of these force is reponsible for attracting the opposite poles of two bar magments towards each other

If Kc = 0.450 at 40.°C and Kc = 0.635 at 90.°C, what is ΔH° for the reaction?

Compound Z has a MW of 100. Your lab partner weighed 25 grams of compound Z and dissolved it in water to a final volume of 1 liter. What is the concentration of the solution expressed as molarity?

What is the molarity of a 500-ml solution containing 340 g of KI

Copper is an example of a (n) a. gemstone. b. consumption resource. c. renewable resource. d. nonrenewable resource

A canister of acetylene has a volume of 42 L. The temperature of the acetylene is 305 K and the pressure is 780 torr. Determine the amount of gas in the canister

In terms of the scientific method, the purpose of an experiment is: form a hypothesis test a hypothesis form a conclusion develop data

Which layer of the earth can only be studied by indirect means

Is Euglena heterotroph or autotroph

What is the mass of 5000. atoms of silicon