HELP ME PLEASE! NO RANDOM LETTERS AS ANSWERS! I NEED HELP. I WILL MARK BRAINLIEST. 55 kernels of popcorn have a mass of 6.0 g before popping and 4.5 g after popping. SHOW WORK, include 3 decimal places

1. Calculate the average mass of 1 kernel of unpopped popcorn.

2.) Calculate the average mass of water lost from 1 kernel of popped popcorn.

3.) How many water molecules are lost from an average kernel of popcorn?

HELP HELP HELP PLEASE

How does a noncompetitive inhibitor reduce an enzyme’s activity?

Listenbase your answer to the question on the information below.nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body.cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment.which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.