How many moles of silver atoms are in 1.8 * 1020 atoms of silver?

3.0 * 10-4

3.0 * 102

3.3 * 10-3

1.1 * 1044

Why is H2CO3 → H2O + CO2 decomposition?

How many fluorine atoms bond with calcium to form calcium fluoride?

The reaction for the combustion of benzene is: 2C6H6 + 15O2 → 12 CO2 + 6 H2O. How moles of O2 are required to produce 130 g CO2 in the presence of excess C6H6? a. 2.36 b. 2.95 c. 3.69 d. 5.80

In a synthesis reaction one reactant contains 346 J of chemical energy and one reactant contains 153 J of chemical energy. the product contains 435 J of chemical energy. Because energy is conserved.

What is a substance? A a uniform mixture that can't be separated B a mixture that can be separated Ca single component that can't be separated D a single component that can be separated

If atmospheric pressure suddenly changes from 1.00 atm to 0.892 atm at 298 k, how much oxygen will be released from 4.40 l of water in an unsealed container?

Determine the molecular formula for the unknown if the molecular mass is 60.0 amu and the empirical formula is ch2o.

Draw the organic product of the following nucleophilic reaction

How does the energy of the activated complex compare with the energies of reactants and products? select one: a. it is lower than the energy of both reactants and products. b.

A student asked to convert measurements from liters to mililiters and from mililiters to liters. His answers are shown in bold in the choices shown below. On which choice did he make a mistake?