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The heat of fusion for water is 6.02 kJ/mol. So we need to convert 1 gram of water into moles of water: 1 g H2O x 1 mol H2O/18.02 g H2O = 0.055 moles H2O Now we can find the heat released from freezing those 0.055 moles: 0.055 moles H2O x 6.02 kJ/1 mol H2O = 0.334 kJ of heat released Of course if we use the proper number of significant figures (since you only wrote 1g) it would be 0.3 kJ of heat released.
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How much water is requried to condense per ton of steam?
Approximately 30,000 gallons of water is required to condense one ton of steam.
What properties of water protects organism from overheating?
water has a high heat of vapourization.it absorbs much heat as it changes from liquid to gas.it has the capacity of absorbing heat with minimum of change in its own temperature
How much heat must be transferred to liquid water to change the waters temperature from 27 degrees Celsius to 32 degrees Celsius?
To change the temperature of water from 27ºC to 32ºC will depend on the mass of water that is present. Obviously, the more water, the more heat it will take. This can be calculated as follows:q = heat = mC∆T where m is the mass of water; C is sp. heat = 4.184 J/g/deg and ∆T is 5ºC (change in temp).
What is the equation for calculating how much heat energy (calories) transferred to or from a mass of water.?
The equation is q = mC∆T where q is the heat; m is the mass of water; C is the specific heat of water (1 cal/g/deg); and ∆T is the change in temperature.
How much heat must be transferred to liquid water to change the water's temperature from 27 C to 32 C?
This heat is: 5 x 4,18 x m = 20,9 x m (in calories) where m is the mass of water.
If water hardness is1000ppm then how much quantity of ethylene diamine tetra acetic acid is requried to make hardness of water 30ppm?
55 Ml.
How much water is requried to condense per ton of steam?
Approximately 30,000 gallons of water is required to condense one ton of steam.
How much more heat needs to be added to water at 100 degrees centigrade in order to change it to steam?
Heat required to have such a change of state is called latent heat. If L J/kg is the latent heat per kg of water then for M kg of water we need M* L joule of heat energy
What properties of water protects organism from overheating?
water has a high heat of vapourization.it absorbs much heat as it changes from liquid to gas.it has the capacity of absorbing heat with minimum of change in its own temperature
How much heat must be removed from steam to change it to a liquid?
The amount of heat that must be removed from steam to change it to a liquid is the latent heat of vaporization of water, which is approximately 2260 kJ/kg at atmospheric pressure. This is the amount of energy required for water to change from a gas to a liquid state at a constant temperature.
How much heat must be transferred to liquid water to change the waters temperature from 27 degrees Celsius to 32 degrees Celsius?
To change the temperature of water from 27ºC to 32ºC will depend on the mass of water that is present. Obviously, the more water, the more heat it will take. This can be calculated as follows:q = heat = mC∆T where m is the mass of water; C is sp. heat = 4.184 J/g/deg and ∆T is 5ºC (change in temp).
How much heat is required to change kg of ice at C to water at C C?
To change 1 kg of ice at 0°C to water at 0°C, you would need 334 kJ of heat energy. This includes the heat required to raise the temperature of the ice to 0°C (latent heat of fusion) and then to melt it into water at 0°C.
What is the equation for calculating how much heat energy (calories) transferred to or from a mass of water.?
The equation is q = mC∆T where q is the heat; m is the mass of water; C is the specific heat of water (1 cal/g/deg); and ∆T is the change in temperature.
How much heat energy is tranferred to hot water?
The amount of heat energy transferred to hot water depends on various factors such as the initial and final temperatures of the water, the mass of the water, and the specific heat capacity of water. The formula to calculate heat energy transferred is: Q = mcΔT, where Q is the heat energy, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature.
How can the quantity of water change people's lives?
If there is too much water, people are flooded out of their homes. If there is not enough water, you have drought, and that leads to heat stroke, thirst, and hunger.
How much heat must be transferred to liquid water to change the water's temperature from 27 C to 32 C?
This heat is: 5 x 4,18 x m = 20,9 x m (in calories) where m is the mass of water.
What is water equivalent?
Water equivalent is a measure used to express the heat capacity of a material in terms of the equivalent mass of water that would absorb the same amount of heat. It is calculated by determining how much heat is required to change the temperature of the material and then comparing that to the heat needed to change the temperature of a specific mass of water. This concept is useful in thermodynamics and calorimetry for simplifying calculations involving heat transfer. Essentially, it allows for the comparison of different substances in terms of their thermal properties relative to water.
