subject
Chemistry, 02.01.2020 01:31 shreyapatel2004

What is the second most abundant element in stars?
a.
iron
b.
helium
c.
oxygen
d.
hydrogen

ansver
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 15:30, kathleensumter4913
219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.
Answers: 1
image
Chemistry, 22.06.2019 12:00, daytonalive83481
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
Answers: 1
image
Chemistry, 22.06.2019 19:30, elstone01
Which one of the following substances would be the most soluble in ccl4? na2so4 h2o ch3ch2ch2ch2oh c4h10 hi
Answers: 1
image
Chemistry, 22.06.2019 22:10, zwbaby3693
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
You know the right answer?
What is the second most abundant element in stars?
a.
iron
b.
helium

Questions in other subjects:

Konu
Mathematics, 10.05.2021 19:00