Chemistry, 14.11.2019 10:31 trapvannah
The temperature of a 15-g sample of lead metal increases from 22 °c to 37 °c upon the addition of 29.0 j of heat. the specific heat capacity of the lead is what?
Answers: 1
Chemistry, 21.06.2019 16:10
Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer
Answers: 1
Chemistry, 22.06.2019 16:00
If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml
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Chemistry, 22.06.2019 18:00
Heat is the total potential energy of a substance that can be transferred. true false
Answers: 1
Chemistry, 22.06.2019 20:00
What happens to the temperature of a substance when the average kinetic energy of its particles increases?
Answers: 3
The temperature of a 15-g sample of lead metal increases from 22 °c to 37 °c upon the addition of 29...
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