Freezing water at certain temperature
What mass of this substance must evaporate in order to freeze 230g of water initially at 16 degrees? (The heat of fusion of water is 334J/g the specific heat of water is 4.18J/g*k .) The heat of vaporization of is 289J/g .
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Demand, a normal demand curve is downwards identify four abnormal exceptional demand curve
Demand, a normal demand curve is downwards identify four abnormal exceptional demand curve(name,sketch,examples)
Statisics, I have been quoted 55 by another site, can you beat that price?
The triangleHfus of ethanol (C2H5OH) is 4.60KJ/mol. How many kilojoules are required to melt 24.5grams of ethanol at its freezing point?
The carbonyl stretching frequency of aliphatic</b> carboxylic acids in dilute solution is located near 1770/cm. This frequency is much higher than the carbonyl frequency of these substances when measured neat (1720/cm). Also, it is considera
A 486 mL sample of water was cooled from 50.0°C to 10.0°C. Assuming a specific heat of 4.184 J/K g and a density of 1.00 g/mL, find the amount of heat transferred from the water to the surroundings.
An automobile gasoine tanks holds 42 kg of gasoline. when the gasoline burns, 147 kg of oxygen are consumed and carbon dioxide and water are produced. what is the total combined mass of carbon dioxide and water that produced?
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