Chemistry, 01.07.2019 11:30 mercedezosborne
Bromothymol blue is a liquid indicator that changes color from blue to green when carbon dioxide gas is mixed into the solution. when carbon dioxide leaves the solution, the color of the indicator changes from green to blue. based on the information above, which of the following describes the kind of change present? a. the color change shows this is a chemical change, because every time there is a color change this indicates a chemical change. b. the color change shows this is a chemical change, because adding the gas caused the unexpected color change. c. the color change shows this is a physical change, because blue and green are similar colors and the gas did not cause the change. d. the color change shows this is a physical change, because the indicator only changed colors slightly.
Answers: 1
Chemistry, 23.06.2019 08:10, andrewrangel63
An experiment is conducted to see if cats preferred skim milk or 2% milk. a cup of skim milkwas put out for 5 kittens and then measured how much the kittens drank over the course of aday. following a cup of 2% milk was purout for the skittens and then masured how much thekittens drank over the course of a day. the same kittens were used and the milk was served atthe same temperature. it was discovered that the cats liked the 2% milk more than the skimmilk. what is the dependent variable in this experiment?
Answers: 1
Chemistry, 23.06.2019 09:00, hunterwilliams375
How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate according to the following equation:
Answers: 2
Bromothymol blue is a liquid indicator that changes color from blue to green when carbon dioxide gas...
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