3. Find number of moles of the following a. 47g of AgClO3
b. 2.3g of Be(NO3)2
C.
166g of NiSO4
d. 39 g of CSCO3
f.
5.67g of NaC2H302 3H2O NEED THIS ASAP

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.