Chemistry, 03.12.2019 06:31 maggiekilgore1
How much desalinated water did you get? how effective was the solar still in distill the salt water? taste your desalinated water and then the salty water. why does the desalinated water taste different than tap water? discuss the operation of your solar still in terms of thermal radiation, conduction, convection, the change of state of the water, and the conservation of energy. does the size and shape of the outer (evaporating) container affect its efficiency? does the depth (volume) of water in the evaporating container affect its efficiency? any suggestions for improvements?
Answers: 3
Chemistry, 22.06.2019 00:30
Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.
Answers: 1
Chemistry, 22.06.2019 04:30
Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat
Answers: 2
Chemistry, 22.06.2019 09:30
Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles
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Chemistry, 22.06.2019 11:40
Enzymes affect the reactions in living cells by changing the
Answers: 3
How much desalinated water did you get? how effective was the solar still in distill the salt water...
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