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A house is air conditioned using solar energy. Solar radiation heats a pressurized tank such that the temperature is maintained at 175oC. 1500 kJ must be extracted from the house to maintain the temperature at 24oC when the ambient temperature is 33oC.
Determine the minimum amount of heat that must be extracted from the tank of water by any device built to accomplish the required cooling of the house
A 2kg piece of copper at 200oC is taken out of a furnace and is allowed to cool in air with an ambient temperature of 25oC. Calculate the entropy change in the universe as a result of this process. The Cp of copper is 0.38 kJ/kg K.
giving correct formulas give the reactantsand products in the formation of poly2 butane
Please explain the calculations involved in Kjeldahl''s method for estimating nitrogen
Consider the diols (containing 2 alcohol functional groups) of molecular formula C 5 H 12 O 2 (a) Illustrate all the possible structural isomers. (b) Label the stereogenic
Effects of substituents on the acidity of phenols: Existence of electron attracting group, (for example -NO 2 , -X, - NR + 3 , -CN, -CHO, -COOH) on the benzene ring increases
A polymer instance has chain of different type of lengths and hence its molecular mass is all the time expressed as an average on the other hand natural polymer like proteins consi
explain the notion of environmental analytical chemistry
what are the uses of alcohol
Objectives: After doing this exercise you will be able to: 1 . Fill-up a F-22 form or write an application for obtaining the license permit for alcohol, 2 . Give justifica
Alkyl halide on reaction with dry silver oxide
Explain bond dipole for dimethylmagnesium The bond dipole for dimethylmagnesium should show that C is at the negative end of the C-Mg bond, because carbon is more electronegati
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