What is the molar mass, in grams, of a mole of an element equal to?

A. The number of electrons

B. The atomic weight of the element

C. The atomic number of the element

D. The number of neutrons in the element

A boy drags a suitcase along the ground with a force of 100 N. If the frictional force opposing the motion of the suitcase is 50 N, what is the resultant forward force on the suitcase?

The weight of the space shuttle is about 4.5 million pounds. How many people would it take to move it? Answer in units of people.

Technician A says that in a series circuit the total resistance of the circuit is the sum of all the individual resistances within the circuit.

The principal limitation of wind power is unpredictability. True or False

The equilibrium fraction of lattice sites that are vacant in silver (Ag) at 600°C is 1 * 10-6. Calculate the number of vacancies (per meter cubed) at 600°C. Assume a density of 10.35 g/cm3 for Ag, and note that AAg = 107.87 g/mol.

Liquid hazardous wastes are blended in a CSTR to maintain a minimum energy content before burning them in a hazardous waste incinerator. The energy content of the waste currently being fed is 8.0 MJ/kg (mega - joules/kilogram).

Explanation's of E=MC²

Suppose two chemicals are reacted together. It takes 750 kJ of energy to break the bonds of the reactants and 1050 kJ of energy are released by the formation of the products. Which statement is true about the reaction? The reaction is exothermic.

Rank the types of nuclear radiation from most massive to least massive.

What volume of sliver metal weigh exactly 2500.0g. The density of silver is 10.5g/cm3