1. Describe the universal gravitational law.

When the partition is removed, the gas expands and fills both compartments. How many moles n of gas were initially contained in the lower compartment if the entropy change of the gas in this free-expansion process is 17.28 J/K

The diagram shows the structures of horse and cat forelimbs. What does the diagram suggest about the evolutionary relationship between these two mammals? A. They have homologous structures, indicating a common ancestor. B.

13. What salt results from the neutralization of phosphoric acid with potassium hydroxide?

Explain, in terms of element classification, why KBr is an ionic compound

What is the maximum number of electrons that can be in one orbital

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