Chemistry, 26.07.2019 07:40 aaleeyahprice
Ido not understand a thing. i will mark brainilest answer. 4. during the testing of a new car engine, researchers found the engine produced 45,400 kj of heat when run for an hour. the antifreeze system has a capacity of 8.45 l and is filled with an antifreeze mixture (specific heat of 8.65 j/g oc, density of 1.027 g/ml). the purpose of the antifreeze system is to keep the engine cool, and in this experimental test, the engine temperature changed from 85oc to 101oc. during this hour long experiment, how many times did the cooling system turn over its volume of antifreeze to keep the engine temperature steady?
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Chemistry, 21.06.2019 18:00
Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /
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Chemistry, 21.06.2019 22:30
Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m
Answers: 3
Chemistry, 22.06.2019 07:40
The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder
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Chemistry, 22.06.2019 20:20
Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)
Answers: 1
Ido not understand a thing. i will mark brainilest answer. 4. during the testing of a new car engine...
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