Chemistry, 30.10.2019 04:31, felipeneeds684
Acoffee-cup calorimeter contains 130.0 g of water at 25.1 ∘c . a 121.0-g block of copper metal is heated to 100.4 ∘c by putting it in a beaker of boiling water. the specific heat of cu(s) is 0.385 j/g⋅k. the cu is added to the calorimeter, and after a time the contents of the cup reach a constant temperature of 30.2 ∘c . determine the amount of heat, in j , lost by the copper block.
Answers: 2
Chemistry, 22.06.2019 07:30, eburnhisel2023
The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
Answers: 1
Chemistry, 22.06.2019 13:30, hdhtvthjr
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
Answers: 1
Acoffee-cup calorimeter contains 130.0 g of water at 25.1 ∘c . a 121.0-g block of copper metal is he...
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