Calculate number of hydrogen atom present in 40g of urea,(NH2)2CO ​

Why are people not able to skip a dive to the deepest part of the ocean

•what conclusions can you make about the relationship between the volume of a gas and its temperature? • what conclusions can you make about the relationship between the volume of a gas and its pressure? • what possible variables have you not accounted for? as you did the procedures, is it possible that the atmospheric pressure may have changed? if it did change over the course of your experiment, then how would your results have been affected?

State the effect on the concentration of the clo- ion when there is a decrease in the concentration of the oh- ion