A balloon contains 7 L of He. The pressure is reduced to 2 atm
and the balloon expands to occupy a volume of 25 L. What was
the initial pressure exerted on the balloon? (round to the
nearest whole number)
What is P1
atm
What is V1
What is P2
atm
What is V2

Which type of reaction always has an element and a compound as reactants

Agas occupies 475 cm^3 at 313k. find its volume at 367k. you must show all of your work to receive credit. be sure to identify which of the gas laws you will be using

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.