Chemistry, 01.10.2019 23:00, jinjermaxinejohnston
Asmall hot-air balloon is filled with 1.00×106 l of air (d = 1.20 g/l). as the air in the balloon is heated, it expands to 1.12×106 l. what is the density of the heated air in the balloon?
Answers: 1
Chemistry, 21.06.2019 18:30, ciarakelly636owuiup
Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
Answers: 1
Chemistry, 22.06.2019 10:10, andersonemma2222
How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?
Answers: 1
Asmall hot-air balloon is filled with 1.00×106 l of air (d = 1.20 g/l). as the air in the balloon is...
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