Calculate the grams of NaBr when 50.0 grams of NBr3 is reacted with 57.0 grams of NaOH according to the following equation:

2NBr3 + 3NaOH>>N2 + 3NaBr + 3HOBr

A chemistry student at a yard sale considers buying a silver coin. The student asks permission to test the coin to determine whether it is pure silver. They find that the coin has a mass of 15.79g. Submerging the coin in 12.

Which statements best describe conduction? Check all that apply. -Conduction only occurs within a substance. -Conduction can occur within a substance or between two substances. -Slow-moving molecules collide with fast-moving molecules.

Water drops forming on the outside of a cold glass is an example of which phase change

Malia classified some substances as shown in the table . Malia's Table Good Conductors of Electricity are aluminum gold and platnium and her Bad Conductors of Electricity are silver cork and plastic.

Which is not a property of a gas? a. the density of a gaseous substance varies strongly with temperature. b. a sample of gas assumes the shape and volume of its container. c. gases are highly compressible. d.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda