Chemistry, 05.05.2020 15:35 dontworry48
How many moles are there in 7.50 x 10^23 atoms of iron?
Answers: 2
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
Chemistry, 22.06.2019 19:00
Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²
Answers: 2
Chemistry, 23.06.2019 06:00
Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control?
Answers: 1
How many moles are there in 7.50 x 10^23 atoms of iron?...
Chemistry, 21.10.2020 21:01
Mathematics, 21.10.2020 21:01
Health, 21.10.2020 21:01
Biology, 21.10.2020 21:01
Health, 21.10.2020 21:01
Mathematics, 21.10.2020 21:01
Mathematics, 21.10.2020 21:01
Mathematics, 21.10.2020 21:01
Mathematics, 21.10.2020 21:01
History, 21.10.2020 21:01
Mathematics, 21.10.2020 21:01