Chemistry, 05.11.2020 09:40, zhellyyyyy
A lump of chromium (Cr) has a mass of 95.3 grams and a temperature of 90.5oC. It is placed into a calorimeter with 75.2 mL of water at 20.5oC. After stirring, the final temperature of the water, Cr metal, and calorimeter is 28.6oC. What is the specific heat of Cr metal?
Answers: 3
Chemistry, 22.06.2019 05:30, greekfreekisdbz
What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
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Chemistry, 22.06.2019 12:30, nekathadon
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
Chemistry, 22.06.2019 12:30, quantamagic
Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)
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Chemistry, 22.06.2019 18:00, sandeebassett3
Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin
Answers: 2
A lump of chromium (Cr) has a mass of 95.3 grams and a temperature of 90.5oC. It is placed into a ca...
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