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In which physical state will 10gms of bromine have the most heat energy?
Bromine exists as a liquid at room temperature and has relatively high heat energy compared to its solid and gaseous states. When heated to its boiling point, it becomes a gas, which generally has more thermal energy than its liquid form due to increased molecular movement. Therefore, 10 grams of bromine will have the most heat energy in its gaseous state.
Does it take more thermal energy to raise the temp of 6 grams of water by 8 degrees C or 5 grams of ice by twenty degrees C?
Ice. For 6 gr of water and 8 deg C you need 6 x 8 = 48 calories For 5 gr of ice and 20 deg C you need at least 100 ( 5 x 20) if we neglect small difference in the specific heat of ice versus water. If the ice melts then you need additional thermal energy to break the hydrogen bonds in ice (melting thermal energy) so it is even more.
What is the percent yield of the decomposition reaction if 9.9 grams Pb(NO3) are heated to give an actual yield of 5.5 grams of PbO?
The yield is 82,45 %.
If you were to have 80 grams of uranium how many grams would be present at the end of the second half time?
After the second half-life of uranium, half of the original amount will remain. Therefore, if you start with 80 grams of uranium, after one half-life you would have 40 grams remaining, and after the second half-life, you would have 20 grams.
What is 12.6grams per second converted to ounce per hour?
To convert 12.6 grams per second to ounces per hour: Calculate the number of grams per hour: 12.6 grams/second * 3600 seconds/hour = 45360 grams/hour Convert grams to ounces: 45360 grams/hour * 0.03527396 ounces/gram ≈ 1597.14 ounces/hour.
How is it possible that something can have a high temperature but very little thermal energy?
Thermal energy is a product of two variables; the temperature, and the mass. If two objects having the same mass were heated to the same temperature, they would have the same thermal energy. If an object weighing ten grams was heated to 1000º C, it would have less thermal energy than an object weighing 2 tons, heated to 100º C. To demonstrate this, imagine the amounts of ice each of the above objects could melt.
What has more thermal energy one gram of water at 75 degrees or 100 grams of water at 75 degrees?
(75'C)x(1g) < (75'C)x(100g) .'. The second option has more thermal energy.
How does the temperature of 33 grams of graphite change when it absorbs 350 joules of thermal energy?
The temperature of graphite will increase because it absorbs thermal energy. The temperature increase can be calculated using the specific heat capacity of graphite.
In which physical state will 10gms of bromine have the most heat energy?
Bromine exists as a liquid at room temperature and has relatively high heat energy compared to its solid and gaseous states. When heated to its boiling point, it becomes a gas, which generally has more thermal energy than its liquid form due to increased molecular movement. Therefore, 10 grams of bromine will have the most heat energy in its gaseous state.
Does it take more thermal energy to raise the temp of 6 grams of water by 8 degrees C or 5 grams of ice by twenty degrees C?
Ice. For 6 gr of water and 8 deg C you need 6 x 8 = 48 calories For 5 gr of ice and 20 deg C you need at least 100 ( 5 x 20) if we neglect small difference in the specific heat of ice versus water. If the ice melts then you need additional thermal energy to break the hydrogen bonds in ice (melting thermal energy) so it is even more.
What is the percent yield of the decomposition reaction if 9.9 grams Pb(NO3) are heated to give an actual yield of 5.5 grams of PbO?
The yield is 82,45 %.
Why the 100 grams of ice would have a greater volume 100 grams of water?
When the water froze into ice it was expanding (thermal expanision) causing the 100 grams of ice to have a greater volume than 100 grams of water!
If you were to have 80 grams of uranium how many grams would be present at the end of the second half time?
After the second half-life of uranium, half of the original amount will remain. Therefore, if you start with 80 grams of uranium, after one half-life you would have 40 grams remaining, and after the second half-life, you would have 20 grams.
What is the total mass of products formed when two point five grams of Barium Carbonate completely decomposes when it is heated?
Also 2.5 grams - law of conservation of matter.
5 grams of salt is dissolved in 100ml of water. the solution is heated and the water is boiled away. How much salt is left?
Five grams of salt remain theoretically.
What is 12.6grams per second converted to ounce per hour?
To convert 12.6 grams per second to ounces per hour: Calculate the number of grams per hour: 12.6 grams/second * 3600 seconds/hour = 45360 grams/hour Convert grams to ounces: 45360 grams/hour * 0.03527396 ounces/gram ≈ 1597.14 ounces/hour.
How many grams of O2 can be prepared from the thermal decomposition of 3.20 kg HgO?
ask Bill Nye
