Physics, 10.10.2019 00:30 marley5818
Hydrochloric acid and sodium hydroxide can be combined in equal ratios to form sodium chloride and water. which best explains the reaction?
a: the total volume produced by sodium hydroxide will result in the same volume of sodium chloride.
b: the total volume produced by combining hydrochloric acid and sodium hydroxide will result in a lower volume of sodium chloride and water.
c: the total volume produced by hydrochloric acid will be the same volume of sodium chloride.
d: the total volume produced by combining hydrochloric acid and sodium hydroxide will result in the same volume of sodium chloride and water.
Answers: 3
Physics, 22.06.2019 01:10
Asteam power plant operates on an ideal reheat rankine cycle between the pressure limits of 15 mpa and 10 kpa. the mass flow rate of steam through the cycle is 12 kg/s. steam enters both stages of the turbine at 500°c. if the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 10 percent, determine (a) the pressure at which reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal efficiency of the cycle. also, show the cycle on a t-s diagram with respect to the saturation lines. (2.15 mpa; 45.0 mw; 42.6%)
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Physics, 22.06.2019 22:00
Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
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Hydrochloric acid and sodium hydroxide can be combined in equal ratios to form sodium chloride and w...
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