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Chemistry, 21.06.2019 21:30
If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide
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Chemistry, 22.06.2019 06:30
Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
Answers: 2
Chemistry, 23.06.2019 04:31
Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.
Answers: 2
Chemistry, 23.06.2019 05:00
How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.
Answers: 1
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