Chemistry, 20.07.2019 00:30 bbyjean9974
A4.0g sample of iron was heated from 0c to 20c. it absorbed 35.2j of energy as heat. what is the specific heat of this piece of iron
Answers: 1
Chemistry, 21.06.2019 19:30
List the two type of transporst that the cell in orde to transport molecules acroos the membrane
Answers: 1
Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
Chemistry, 22.06.2019 19:30
Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.
Answers: 1
Chemistry, 22.06.2019 20:00
State one important difference between a physical change and a chemical change?
Answers: 1
A4.0g sample of iron was heated from 0c to 20c. it absorbed 35.2j of energy as heat. what is the spe...
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