Assign the oxidation number for (NH4) 3PO4

Which of the following statements describes the process of deposition? A. Soil becomes rich through erosion allowing for ample plant growth. B. Minerals are deposited into the soil through erosion. C.

A researcher studying the nutritional value of a new candy places a 5.90 g sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.30°C. If the heat capacity of the calorimeter is 45.

A sample of gas with a mass of 1.70 g occupies a volume of 961 ml at a pressure of 728 torr and a temperature of 21°C. what is the molar mass of the gas?

The empirical formula is: A. the actual number of atoms of each element in a molecule. B. All of these C. the relative number of atoms of each element, using the lowest whole ratio. D.

An object is moving in a straight line at a constant speed. What will happen to the object if no outside force acts on the object? A The speed and direction of the object will change. B The speed and direction of the object will not change.

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