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a liquid is moving through a pipe. if the speed of the liquid decreases, what happ...
Chemistry, 16.10.2019 23:20 jpimentel2021
You!
a liquid is moving through a pipe. if the speed of the liquid decreases, what happens to the pressure within the liquid?
1. only density affects pressure, so pressure stays the same.
2. the pressure within the liquid increases.
3. the pressure within the liquid decreases.
4. the pressure within the liquid becomes zero.
Answers: 2
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The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
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Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid
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Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
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