How many molecules are there in 65 g of silver nitrate (AgNO3) ?

A.

3.82 * 1023

B.

2.3046 * 1023

C.

2.3046 * 1024

D.

3.82 * 1024

E.

2.3046 * 1012

Which substances are released during cellular respiration? Use complete sentences to explain how the mass of oxygen is conserved during cellular respiration.

How many moles of table salt are found in 400 g of NaCI

A Student Mixed two clear liquids together in a beaker. A Gas and a new liquid were formed. The gas escaped, so the student was unable to measure the mass. She guessed that its mass was more than 10.0 grams.

Molecular shape of XeOF4

A potato chip burned and gave off enough energy to heat up 0.5 kg of water from 20oC to 25o. The specific heat of water is 4,184 J/kgoC.

A scientist in London and a scientist in California both conducted independent investigations that produced similar results.

When magnesium combines with oxygen, the reaction involves a. a conversion of protons into electrons. b. sharing of electrons between Mg and O. c. transfer of electrons from Mg to O. d. transfer of electrons from O to Mg.

The activation energy for the reaction no2 (g) + co (g) ⟶no (g) + co2 (g) is ea = 100 kj/mol and the change in enthalpy for the reaction is δh = - 375 kj/mol.

What process transform solar energy into chemical energy?

When the reaction was carried out the calculated theoretical yield for water was 176 grams but the measured yield was 148 grams what is the percent yield