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mydoggy152
06.07.2019 •
Chemistry
What is the chemical name of the compound k2so4?
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Ответ:
Potassium Sulfate
Explanation:Potassium sulfate is a non-flammable white crystalline salt which is soluble in water. The chemical compound is commonly used in fertilizers, providing both potassium and sulfur.
Ответ:
Here we have to choose the property of the liquid, among the given, which the engineer should primary look to use as the fluid of the engine.
The engineer should primarily looked the liquid which have B. low specific heat capacity.
The Specific heat capacity of a substance is equivalent to the heat needed to increase 1⁰ temperature of the unit mass of the substance. Now if the specific heat capacity of the liquid is low then it will need very little amount of energy to transfer the heat.
A. The low thermal conductivity will cause more time to exchange the energy. Which is not required for the engine.
C. There is no relation between the reactivity of the liquid with the use of the same in the engine.
D. The internal energy will also not affect the rate of the cooling or heating of the liquid.
E. The high density also cannot affect the low rate of exchange energy.