Question 4 20 pts
Use the following reaction:
CuCl2 + 2 NaNO3 → Cu(NO3)2 + 2 NaCl
If 7.50 grams of copper (II) chloride react with 10.0 grams of sodium nitrate, how
much sodium chloride can be formed (in grams)?
(Round to a whole number, do not write the unit)

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic