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Chemistry, 23.06.2019 11:30
Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.
Answers: 1
Chemistry, 23.06.2019 13:30
Asap at one point in history people could measure temperature by looking at the volume of a sample of gas. suppose a sample in a gas thermometer has a volume of 135ml at 11.0°c. indicate what temperature would correspond to each of the following volumes: 113 ml, and 155 ml.
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Chemistry, 23.06.2019 19:30
As rock is worn away by waves on a coastline, the land that takes a little longer to wear away can from a
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Chemistry, 23.06.2019 21:00
Awheelchair ramp needs to be pitched at 8 degrees. if the ramp is to access an 18-inch step to a door what will be the length of the ramp to the nearest inch?
Answers: 2
What causes a change in air pressure...
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