Chemistry, 05.01.2021 01:00 BreadOfTheBear
What is the name of a number with a fixed value in a specific mathematical context?
⚪︎inverse
⚪︎direct
⚪︎variable
⚪︎constant
⚪︎invariable
Answers: 2
Chemistry, 22.06.2019 06:30
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
Answers: 2
Chemistry, 23.06.2019 07:30
The compound formed from 2 atoms of hydrogen and one atom of oxygen is
Answers: 1
What is the name of a number with a fixed value in a specific mathematical context?
⚪︎inverse
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