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Chemistry, 21.06.2019 22:30, bartfrank447
Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.
Answers: 1
Chemistry, 22.06.2019 07:40, caleb19moody
21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
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Chemistry, 22.06.2019 17:00, emma3216
In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
Answers: 1
Chemistry, 23.06.2019 04:00, hailey200127
What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?
Answers: 1
Why is that elements combine to form compounds ?...
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