Determine the number of moles 28.8 g Br2

Ammonia, NH3, is produced by the reaction N2 (g) + 3H2 (g) → 2NH3 (g). if 3.50 mol of nitrogen is present, what volume of NH3 at 25.0°C and 1.15atm of pressure can be made? a 0.312 L b 74.5 L c 157 L d 149 L

Water (h2o) is composed of the same elements as hydrogen peroxide (h2o2). Why do these substances have different properties?

List the types of intermolecular forces that are present in each of the following covalent molecules: HBr: I^2: NH^3: CH^2Cl^2:

Substitution reaction?

An electrochemical cell is constructed using two half-cells: Al (s) in Al (NO2) 3 (aq) and Cu (s) in Cu (NO3) 2 (aq). The two half cells are connected by a KNO3 salt bridge and two copper wires from the electrodes to a voltmeter.

Which of the following is used to separate the parts of mixtures a. Atomic number. B. Physical properties. C. Microscopes. D. Burning

If 15.0 g CO2 (mm = 44.01 g/mol) has a volume of 0.30L at 27oC, what is the pressure in atm? Group of answer choices 27.97 atm 1230.9 atm 2.52 atm 325.0 atm

The range of different electromagnetic waves is called the electromagnetic span.

Compare what happens to the energy, order, and spacing particles when a solid other than ice changes to a liquid with what happens to the energy, order, and spacing of particles when a gas changes to a liquid?

Natural gas is a fuel. How does a gas stove use the energy in natural gas to cook food?