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How many joules (J) are needed to increase the temperature of 46.1 g of aluminum from 10.4C to 57.9C?
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How many watts is needed to melt one pound of aluminum?
How fast the energy is provided (power, in joules/second or watts) is irrelevant, as long as not too much energy gets radiated away. What you really need to know is how much energy (in joules) is needed.
How many joules of heat would be requiredto heat 0.5 kg of aluminum by 2k?
you need to know the specific heat capacity of aluminum first which can be denoted as 'c'. then using the formula: H=MC(dt) where 'dt; is the change in temperature, M is the mass and H is energy needed, you can thus calculate H. i think the value of 'c' for aluminum is around 0.88Jg/K Replace given values in the equation, you will surely get the answer!
How much heat in joules is needed to raise the temperature of 4.0 L of water from 0 degrees Celsius to 70.0 degrees Celsius?
It takes 4.186 Joules to heat one gram of water by 1-degree Celsius. 4.186 * 4000 = 16,744 Joules to heat 4 kilos of water by 1-degree. 16,744 * 70 = 1,172,080 Joules. The above assumes that one litre of water weighs exactly 1 Kilogram.
How many joules of energy are needed to heat steam from 100 celsius to 114 celsius?
Approx 2940 Joules.
How much heat energy in kilojoules is required to convert 68.0 g of ice at 18.0 to water at 25.0?
It requires 1 calorie to increase 1 mL of water by 1 degree Celsius. In 68 grams of water, there are 68 mL. The change in temperature is 7 degrees, so 476 calories are needed. 1 calorie has 4.184 joules, hence 1.992 kJ are needed.
What is kcal?
1 kcal equal 1 000 calories or 4,184 joules. 1 calorie is equal to the heat needed to increase the temperature of 1 g water with 1 0C.
How many watts is needed to melt one pound of aluminum?
How fast the energy is provided (power, in joules/second or watts) is irrelevant, as long as not too much energy gets radiated away. What you really need to know is how much energy (in joules) is needed.
Approximately how many Joules of heat are needed to completely change 10.0 grams of ice to water at the melting point temperature?
134 joules. You're very welcome for answering your question.
How many joules of heat would be requiredto heat 0.5 kg of aluminum by 2k?
you need to know the specific heat capacity of aluminum first which can be denoted as 'c'. then using the formula: H=MC(dt) where 'dt; is the change in temperature, M is the mass and H is energy needed, you can thus calculate H. i think the value of 'c' for aluminum is around 0.88Jg/K Replace given values in the equation, you will surely get the answer!
How much energy must be added to a 2-kg of glass with a specific heat of 644 J kg to increase its temperature from 10oC to 50oC?
51,520 Joules must be added to increase it's temperature to 100 C.
How many joules are needed to change the temperature of 100 g of water from 20 degrees Celsius to 40 degrees celsius?
8.200 J
What is the quantity of heat in joules needed to raise the temperature of 40.0g of Al from 25 degrees Celsius to 50 degrees Celsius?
E = mass x specific heat x Δ°T Δ°T = new temperature - original temperature where Δ°T is equal to temperature change (Celsius in this case). The specific heat of Al is 0.900 J/g°C. Before we proceed to find the quantity of heat in joules, we must first find the temperature change. To calculate the temperature change, we must subtract the original temperature from the new temperature. Δ°T = 50°C - 25°C = 25°C In order to find the quantity of heat (joules), we must multiply mass, specific heat, and the temperature change (calculated above). E = 40.0g x 0.900 J/g°C x 25°C = 900 Joules or 9.0 x 102 Joules
How much heat in joules is needed to raise the temperature of 4.0 L of water from 0 degrees Celsius to 70.0 degrees Celsius?
It takes 4.186 Joules to heat one gram of water by 1-degree Celsius. 4.186 * 4000 = 16,744 Joules to heat 4 kilos of water by 1-degree. 16,744 * 70 = 1,172,080 Joules. The above assumes that one litre of water weighs exactly 1 Kilogram.
The number of kilojoules needed to raise the temperature of 32.0 g of water from 12.0 degree centigrade to 54.0 degree centigrade is?
q(Joules) = mass * specific heat * change in temperature q = 32.0 grams H2O * 4.180 J/gC *(54.0 C - 12.0 C) = 5617.92 Joules this is, of course 5.62 kilojoules
When calculating power what 2 pieces of information are needed?
Work done (joules) and time taken (seconds) is the information needed to calculate power in watts (joules/second).
How many joules of energy are needed to heat steam from 100 celsius to 114 celsius?
Approx 2940 Joules.
How many joules are required to boil 21.1 g of water at 100 C?
The needed heat is 47,65 Joules.
