Chemistry, 20.09.2020 05:01 abraralzaher
You add 9.0g of iron to 23.50 mL of water and observe that the volume of iron and water together is 24.64 mL Calculate the density of rain
Answers: 3
Chemistry, 23.06.2019 07:00, asims13
The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing
Answers: 1
Chemistry, 23.06.2019 11:20, Chapo3760
Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.
Answers: 2
You add 9.0g of iron to 23.50 mL of water and observe that the volume of iron and water together is...
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