8 most common elements in earths crust

A sample of hydrogen is collected in a flask over water. The partial pressures are 736 torr for H, and 22 tort for H2O. What total pressure is exerted by the mixture of gases?

Why does a carbonated soft drink lose carbonation when the container is left open?

You put two open cans of soda on the table. You took one can from the refrigerator and the other from your car.

What is the mass of 5 moles of Fe2O3?

The first-order rate constant for the decomposition of n2o5, 2n2o5 (g) →4no2 (g) + o2 (g) at 70∘c is 6.82*10-3 s-1. suppose we start with 2.00*10-2 mol of n2o5 (g) in a volume of 2.3 l. you may want to reference (page) section 14.

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