Chemistry, 05.10.2019 15:50 Ideen

Asample that weighs 103.75 g is a mixture of 30% helium atoms and 70% krypton atoms. how many particles are present in the sample?

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 00:30, S4NCHEZ28

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

Answers: 1

continue

Chemistry, 22.06.2019 20:10, sarahalexa19

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )

Answers: 2

continue

Chemistry, 23.06.2019 02:20, alejandraluna95

Why dose heating increase the speed at which a solution dissolved in water

Answers: 1

continue

Chemistry, 23.06.2019 05:30, cluchmasters5634

Scientist think that animals with remarkably similar embryo development probably shared a common ancestor

Answers: 1

continue

You know the right answer?

Asample that weighs 103.75 g is a mixture of 30% helium atoms and 70% krypton atoms. how many partic...