What is the length in inches of a 100-meter field?

What is meant by "pressure of the atmosphere?" What causes this pressure?

During a chemical reaction, an iron atom became the ion Fe2+. What happened to the iron atom?

Use the concept of natural selection to explain why organisms typically adapt over time.

Given the following balanced equation, calculate the theoretical yield of H2 in grams if you start with 25.3g Zn and have an excess of HCl. Zn (s) + 2HCl (aq) → ZnCl2 (aq) + H2

A mixture of 90.0 grams of CH4 and 10.0 grams of argon has a pressure of 250 torr under conditions of constant temperature and volume. The partial pressure of CH4 in tore is?

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