Chemistry, 24.05.2021 14:00 jacobbrandon2002
How many moles are there in 8.25 x 10^26 molecules of methane (CH4)?
Answers: 2
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Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
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Chemistry, 22.06.2019 19:50
A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution
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Chemistry, 22.06.2019 22:00
Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
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Chemistry, 22.06.2019 22:30
Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
How many moles are there in 8.25 x 10^26 molecules of methane (CH4)?...
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