The heat of combustion of bituminous coal is 2.50 x 10⁴ j/g. what quantity of the coal is required to produce the energy to convert 106.9 pounds of ice at 0.00°c to steam at 100.°c? specific heat (ice) = 2.10 j/g°cspecific heat (water) = 4.18 j/g°cheat of fusion = 333 j/gheat of vaporization = 2258 j/g
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Physics, 22.06.2019 16:00
The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?
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Physics, 22.06.2019 18:50
8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.
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Physics, 22.06.2019 23:00
Astronomers studying the planet of rhombus have detected sedimentary rock on its surface. one astronomer wonders if material in this sedimentary rock used to be in igneous rock deep in rhombus’s interior. can igneous rock become sedimentary rock? explain your answer.
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Physics, 23.06.2019 02:00
Provides most of the energy used in the world today. question 4 options: wind fossil fuel moving water sunlight
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The heat of combustion of bituminous coal is 2.50 x 10⁴ j/g. what quantity of the coal is required t...
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