A balloon holds 4.00L of gas at 296K and 1.00 atm.
How many moles of gas are in the balloon?

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.

How far in advance is weather forecasting most accurate