What is the symbol for the change in enthalpy?

1.00 mL of a 250.0 µM solution of KCl is diluted to 50.0 mL. What is concentration of this solution?

Which scientist observation eventually led to the theory of continental drift

Of these gases, which has the fastest-moving molecules (on average) at a given temperature?

Why is it impossible for a gas to take the shape of its container? A. Molecules in a gas are very far apart. B. Molecules in a gas are shapeless. C. Molecules of a gas are stationary. D. Molecules of a gas easily interact with one another.

Explain how you would separate a mixture of water sand salt and iron fillings into its four component parts

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