How would you describe an electron

A sample of chlorine gas is held at a pressure of 1023.6 kPa. When the pressure is decreased to 8114 kPa the temperature is 36°C, What was the original temperature? Gas Law used:

Which description explains the role of activation energy in a chemical reaction? A. It provides useful energy that is released in an exothermic reaction. B. It stops the products from being formed from the intermediate state. C.

2 of the important properties of gases. SaveStylesFormat Instructions

During which transition are molecules moving farther apart? A. Water boils B. Rain turns to snow. C. Steam forms water droplets. D. Water falls over a cliff.

What set of compounds illustrates the law of multiple proportions. A. N2O, NO, NO2 B. NaCl, NaBr, Nal. C. CH4, CO, CCl4. D. all of these

The mass of 126c is exactly 12 u. what is the total binding energy of this nucleus?

A reaction is in equilibrium as shown: a + b c + d. calculate the equilibrium constant if the final concentrations stabilize at: a = 9.60 m b = 10.0 m c = 4.00 m d = 4.00 m 0.167 0.408 2.45 5.99

When 10 liters of a gas at 1 atm is compressed to 3 liters at constant temperature, what property of the gas changes?

What happens to the particles of a substance when thermal energy is added to the substance? A.) it's particles do not vibrate at all. B.) it's particles move faster. C.) it's particles move closer together. D.). It's particles move slower.

Suppose that you drop three objects into a glass of water: a piece of styrofoam, a piece of oak, and a gold ring. Which float, and which sink? density of styrofoam: 0.005 density of gold ring: 19.32 density of oak: 0.70