Chemistry, 16.10.2019 16:10 simmonsl7790
When 50.0 ml of 0.100 m agno, is combined with 50.0 ml of 0.100 m hchin a conce-cup cave the temperature changes from 23.4 c to 24.21 c. calculate the heat of reaction. (ans: -68 kj/mol)
Answers: 3
Chemistry, 22.06.2019 06:30, yolo123321
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, 22.06.2019 10:00, 2019reynolds
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 18:40, johnnysteeler9934
What is one real world example of a colligative property?
Answers: 2
Chemistry, 22.06.2019 19:30, Karinaccccc
How might this scientific phenomena be explained? a paper clip floats on water.
Answers: 1
When 50.0 ml of 0.100 m agno, is combined with 50.0 ml of 0.100 m hchin a conce-cup cave the tempera...
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