Approximately how many atoms make up 2.3 moles of gallium?

a. 1.6 * 1021 atoms

b. 3.8 * 1022 atoms

c. 2.3 * 1023 atoms

d. 1.4 * 1024 atoms

What is the definition of density?

What is light? How does it behave?

6) find the volume of a box 1.1cm x. 5cm x. 3cm

0.71 g Cu equals how many moles

Ethyl alcohol has a heat of vaporization of 850. J/g. What mass of ethyl alcohol can be boiled using 15000 J of energy?

What would make bromine a group 17 element more similar to a noble gas

Use the following chemicals. ethanol, hexane, butanone, water, benzene, diethyl ether, ethyl acetate, acetone 4. Rank the solvents based on polarity, smallest to largest.

How long will it take for the concentration of xy to decrease to 12.5% of its initial concentration when the initial concentration is 0.100?

Which has a higher energy level 6d or 5s?

How far is the Earth for the moon?