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Physics, 22.06.2019 15:30
Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples
Answers: 1
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, 23.06.2019 00:30
Why is no-till farming more sustainable than many traditional methods of farming
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Physics, 23.06.2019 18:00
The chemical formula for carbonic acid, a compound used in carbonated drinks, is h2co3. assume that these symbols represent the three elements of this compound:
Answers: 2
Mathematics, 30.06.2019 23:30
Computers and Technology, 30.06.2019 23:30
Mathematics, 30.06.2019 23:30
Physics, 30.06.2019 23:30
Mathematics, 30.06.2019 23:30
Mathematics, 30.06.2019 23:30
Mathematics, 30.06.2019 23:30