Please help with this been on it for 30 min
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Chemistry, 22.06.2019 17:00
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
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Chemistry, 22.06.2019 21:30
Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h
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Chemistry, 22.06.2019 22:30
What if it is did darwin used to support his theory of evolution
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Chemistry, 23.06.2019 01:30
In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i
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Mathematics, 20.03.2020 23:59
Spanish, 20.03.2020 23:59
Mathematics, 20.03.2020 23:59
English, 20.03.2020 23:59
Spanish, 20.03.2020 23:59
Mathematics, 20.03.2020 23:59
English, 20.03.2020 23:59
Mathematics, 20.03.2020 23:59