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The calorific value of a substance is the amount of heat released during the complete combustion of a unit quantity of that substance. It is usually expressed in units like calories or joules per gram or per mole. Knowing the calorific value of a substance is important for determining its energy content.
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Is it possible for the specific heat of a substance to have a negative value?
No, it is not possible for the specific heat of a substance to have a negative value.
Is the R-value of insulation indicate resistance to heat flow?
Yes, the R-value of insulation indicates its resistance to heat flow. The higher the R-value, the greater the insulation's ability to resist heat transfer, making it more effective at insulating a building.
When heat flows into a system what is its value?
When heat flows into a system, its value is positive, indicating an increase in the internal energy of the system. Heat is a form of energy transfer between a system and its surroundings, and when the system absorbs heat, the energy of the system increases.
What is the difference in heat loss between r30 and r38?
The higher the R-value, the better the insulation. Therefore, a material with an R38 insulation value will have less heat loss compared to a material with an R30 insulation value since it provides greater resistance to heat flow.
Is the higher the R-value of insulation the less resistant to heat flow?
No, this statement is inaccurate. The higher the R-value of insulation, the more resistant it is to heat flow. R-value measures the effectiveness of insulation in resisting heat transfer, with higher values indicating better insulation properties.
Heat engine utilizes low heat value of fuel or high heat value of fuel?
Heat engine utilizes low heat value of oil and also the fuel oil consumption for IC engine usually based on high heat value of oilby Shyam
What is gross calorific value and useful heat value of coal?
what is the differnence between gross calorific value and useful heat value
When heat flows into a system its value is positive. When heat flows of a system its value is negative.?
when heat flows Out of a system
When flows into a system its value is positive. When heat flows out of a system its value is negative.?
heat
What is the specific heat value for water?
The specific heat value for water is 4.18 J/goC.
When heat flows into a system its value is When heat flows out of a system its value is negative?
Heat is energy and cannot be negative, If you are talking about heat flow then if you define outflow to be negative then inflow is positive.
Why charcoal have high value of heat combustion than petrol?
Petrol has a higher value of the heat of combustion.
Is it possible for the specific heat of a substance to have a negative value?
No, it is not possible for the specific heat of a substance to have a negative value.
When heat flow into a system it's value is when heat flows out of a system it's value is negative?
positive < Mitzy >
When what flows into a system it's value is positive when heat flows out of the system it's value is negative?
heat. apex.
The r value of insulation indicate resistance to heat flow?
yes the R-value does indicate resistance to heat flow
Why the experimental value of specific heat capacity is higher than the standars value?
Experimental errors would cause the experimental value of specific heat capacity to be higher than the standard value.
