How do you calculate the formula mass of Ca3 (PO4) 2

Gina was given an irregularly shaped piece of metal and was told that the density of the metal was 12 g/cm3. She measured the mass of the piece to be 204 g. What was the volume of the piece of metal Gina was given?

Which question can be asked to determine if a wave is electromagnetic or mechanical

Select all that apply. The requirements for one type of atom to substitute for another in a solid solution are: All substitutions must be limited to the same element. An atom must be identical in size. An atom must be similar in size.

What condition is often confused with the early stages of carbon monoxide poisoning boat ed?

1) Ba (CN) 2 + H2 (SO4) = H (CN) + Ba (SO4)

What is an example of an atom

A compound of carbon and bromine contains 6.99% carbon and has a molar mass of 515.4 g/mol. What is the empirical formula of this compound? CBr2 C2Br C2Br3 C3Br6

Describe the particle that is emitted during alpha decay. How do you think an atom changes when it undergoes alpha decay?

Calculate the activation energy that leads to a doubling of the rate of reaction with an increase in temperature from 25∘c to 35∘c.

A gas occupying a volume of 25 ft3 weighs 3.5 lbf on the moon, where the acceleration of gravity is 5.47 ft/s2. determine its weight, in lbf, and density, in lb/ft3, on mars, where g = 12.86 ft/s2.