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Why does heat get absorbed by the engine must be discharged??
The reason why heat is absorbed by the engine must be discharged to the atmosphere in one way or another because the engine will become overheated and eventually seize up and this is why a cooling system is built into the engine to cool it and prevent overheating.
This is answered by J.G.N
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In calculating the heat given off by a reaction in a calorimeter you must account for heat absorbed by?
Water and the Calorimeter.
The heat of fusion for water is the amount of energy that must be absorbed for water to what?
Melt.
Name one quantity that must be know in order to determine the amount of heat associated with a body?
There are three: Energy absorbed by a body is directly proportional to the rise in temperature of a body Heat energy absorbed by a body is directly proportional to the mass of the body Heat energy absorbed by a body depends upon its nature and is commonly called specific heat capacity.
How much heat must be absorbed by 50 grams?
Joule (J) is a unit of energy.Gram (g) is a unit for mass.
How must microwaves interact with matter if they cause food and most containers to heat up in a microwave oven?
The waves of energy must be absorbed by the food so that the energy the wave was carrying is transferred as heat.
What effect if any does this energy transfer have on the overall efficiency of the car engine?
As a "heat engine", a car engine must rid itself of heat to continue. Efficiency of the heat engine depends on the difference in temperature; therefore, as the temperature outside reaches the temperature inside, the engine stops.
How do you know if the heat is absorbed or released?
Boiling does require the liquid to be absorbing heat--large amounts at the point of transition from liquid to gas. Obviously, in the real world, some of this heat is being released simultaneously, but more must be absorbed than is released for boiling to continue.
How much heat is absorbed if 2.60mol of A reacts if heat of formation in 237kJmol?
You must first convert kJ/mol. So.. -237kJ x (1kJ / 2.60mol) = -91.15kJ You then must take this and multiple by (-1), since you cannot have a negative heat. (-91.15kJ x -1) = 91.15kJ
How much heat is absorbed if 2.60mol of A reacts if heat of formation in -237kJmol?
You must first convert kJ/mol. So.. -237kJ x (1kJ / 2.60mol) = -91.15kJ You then must take this and multiple by (-1), since you cannot have a negative heat. (-91.15kJ x -1) = 91.15kJ
What is the heat of fusion for water is the amount of energy that must be absorbed for water to?
Melt.
Why must food be absorbed?
Food must be absorbed so the body can get all the nutrients from the food.
What must be absorbed for a solid to melt?
They must gather close together until they can't bunch anymore and then they start to melt because they ran out of space.
