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Calculating the heat gained by water is essential to understand how much energy is needed to raise its temperature. This calculation helps in determining the amount of heat transfer during a process, such as heating water for cooking or brewing coffee. It is crucial for ensuring that the desired temperature is reached efficiently and safely.
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Explain why the phase water goes through when heat is gained?
When heat is gained, water undergoes a phase change from a solid (ice) to a liquid (water) at 0°C, and then from a liquid to a gas (water vapor) at 100°C. This process involves absorbing energy to overcome intermolecular forces holding the molecules together in a particular phase.
If water temp changes 15 degrees C how much heat was gained by the water?
To calculate the amount of heat gained by the water when the temperature changes by 15 degrees Celsius, you can use the formula: Q = mcΔT, where Q is the heat gained, m is the mass of water, c is the specific heat capacity of water (4.18 J/g°C), and ΔT is the temperature change (15°C).
What is the final temperature after a 11.8 g piece of ice is placed into a styrofoam cup containing 118 g of hot water at 72.4oC?
The final temperature can be calculated using the principle of conservation of energy. The heat lost by the hot water will be equal to the heat gained by the ice as it melts and warms up. By using the specific heat capacities of water and ice, you can determine the final temperature of the system.
Is energy gained or lost during evaporation?
Energy is gained during evaporation because it requires heat energy to convert liquid water into water vapor. This heat energy breaks the intermolecular bonds in the liquid water molecules, allowing them to escape into the air as vapor.
Why is the total her lost by the granite greater than the total heat gained by the room-temperature water?
The total heat lost by the granite is greater than the total heat gained by the room-temperature water because granite has a higher specific heat capacity, allowing it to store and release more thermal energy as it cools. Additionally, the temperature difference between the granite and the water drives a more significant heat transfer, resulting in more heat being lost by the granite. This imbalance accounts for the greater heat loss from the granite compared to the heat gain experienced by the water.
What is the final temperature of 50ml of 50 degree C water mixed with 50ml of 10 degree C.?
The final temperature can be calculated using the principle of conservation of energy. The heat gained by the cooler water is equal to the heat lost by the warmer water. The final temperature is the temperature at which this heat exchange occurs, which can be calculated using the formula for heat transfer.
Explain why the phase water goes through when heat is gained?
When heat is gained, water undergoes a phase change from a solid (ice) to a liquid (water) at 0°C, and then from a liquid to a gas (water vapor) at 100°C. This process involves absorbing energy to overcome intermolecular forces holding the molecules together in a particular phase.
If water temp changes 15 degrees C how much heat was gained by the water?
To calculate the amount of heat gained by the water when the temperature changes by 15 degrees Celsius, you can use the formula: Q = mcΔT, where Q is the heat gained, m is the mass of water, c is the specific heat capacity of water (4.18 J/g°C), and ΔT is the temperature change (15°C).
When water at 0.c freezes is heat lost or gained?
As heat is a form of energy, it isn't lost or gained, it's just converted into another form of energy.
What is a correct numerical set up for calculating the number of joules of heat gained by water?
To calculate the number of joules of heat gained by water, you can use the formula Q = m * c * ΔT, where Q is the heat gained, m is the mass of water in grams, c is the specific heat capacity of water (4.18 J/g°C), and ΔT is the change in temperature in degrees Celsius. Plug in the values for m, c, and ΔT to calculate the heat gained in joules.
What would be the final temperature when 250 grams of water at 100 degrees celsius is mixed with 525 grams of water at 30 degrees celsius?
The final temperature would be approximately 54.2 degrees Celsius. This can be calculated using the principle of conservation of energy, where the heat lost by the hot water is equal to the heat gained by the cold water.
Explain why water is used in hot water bottle for fomentation?
bcoz water has high latent heat
Why the temperature of the water at bottom of water fall is different from temperature at the top?
Heat is lost to or gained from the air while falling.
Calculate the final temperature when 50 ml of water at 80?
When allowed to stand for long enough, the final temperature will reach room temperature.
What is the final temperature after a 11.8 g piece of ice is placed into a styrofoam cup containing 118 g of hot water at 72.4oC?
The final temperature can be calculated using the principle of conservation of energy. The heat lost by the hot water will be equal to the heat gained by the ice as it melts and warms up. By using the specific heat capacities of water and ice, you can determine the final temperature of the system.
When enough heat energy is gained by liquid water the liquid water can?
When enough heat energy is gained by liquid water, it can change phase and turn into steam or vapor, transitioning from a liquid to a gaseous state. This process is known as evaporation or boiling, depending on the temperature reached.
Is energy gained or lost during evaporation?
Energy is gained during evaporation because it requires heat energy to convert liquid water into water vapor. This heat energy breaks the intermolecular bonds in the liquid water molecules, allowing them to escape into the air as vapor.
