PLZ HELP ME WITH THIS QUESTION I REALLY NEED HELP ON IT!!! Generally speaking, as there is a greater discrepancy between the number of protons and the number of neutrons in elemental isotopes, radioactivity does what in terms of quantity?

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

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

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure