Solution of Na2SO4 is

A) acidic B) basic C neutral

what happens to the density of an object when the volume of that object increases and the mass remains the same?

How does temperature affect the rate of a reaction? A. Increasing the temperature decreases the potential energy of the reactants. B. Increasing the temperature gives the molecules more kigetic energy C.

A sample of soil from a newly discovered cave is analyzed by a team of explorers. They find an element that is a good conductor of electricity. It also forms a chloride in the form XCl2 and an oxide in the form XO.

How many Al atoms are present in 2.5 moles of Al2O3

How many moles are in 12.0 grams of O2

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