25 points, pls the controlled release of nuclear energy in a reactor is accomplished by: allowing the critical mass of fuel to react controlling a chain reaction controlling fission without a chain reaction all of the above

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

•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?

What do we call the rows on the periodic table? a. periodb. familyc. groupd. metals