Chemistry, 02.08.2019 22:00, dkhakdoust
When a block of steel at 90 degrees celsius is placed in a bucket of water at 30 degrees celsius, what happens? question 22 options: the temperature of the steel increases and the temperature of the water decreases. the temperature of the steel increases and the temperature of the water increases. the temperature of the steel decreases and the temperature of the water decreases. the temperature of the steel decreases and the temperature of the water increases.
Answers: 2
Chemistry, 22.06.2019 14:00, Killion2022
Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel
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Chemistry, 23.06.2019 02:50, igraha17
Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3ยทxh2o; you should do this also. round your answer to the nearest integ
Answers: 2
Chemistry, 23.06.2019 06:50, isabellainksow87vn
The student repeated the experiment using a higher concentration of acid. the same volume of acid and the same mass of magnesium ribbon were used. what volume of hydrogen gas would have been produced after 60 seconds?
Answers: 1
When a block of steel at 90 degrees celsius is placed in a bucket of water at 30 degrees celsius, wh...
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