Calcium sulfate is a white solid found as two hydrates, a hemihydrate known as plaster of Paris and a dehydrate known as gypsum. The hemihydrate is a white solid. Given that the molar mass of the anhydrous calcium sulfate is 136.14 g/mol, the molar mass of the hemihydrate is 145.15 g/mol, and the molar mass of water is 18.015 g/mol, which formula gives the correct ratio for the hemihydrate
Answers: 3
Chemistry, 22.06.2019 11:40
Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
Answers: 3
Chemistry, 22.06.2019 13:00
6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
Answers: 1
Chemistry, 22.06.2019 21:50
What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car
Answers: 2
Calcium sulfate is a white solid found as two hydrates, a hemihydrate known as plaster of Paris and...
Social Studies, 05.07.2019 06:00
Physics, 05.07.2019 06:00
Mathematics, 05.07.2019 06:00
Mathematics, 05.07.2019 06:00
Social Studies, 05.07.2019 06:00
Mathematics, 05.07.2019 06:00
Computers and Technology, 05.07.2019 06:00
Social Studies, 05.07.2019 06:00
History, 05.07.2019 06:00
Mathematics, 05.07.2019 06:00
Mathematics, 05.07.2019 06:00
Mathematics, 05.07.2019 06:00