we have a relation
q = mCT
q = ?
m = 65.0 g
C = 4.184 J/g0C
T = 40 - 25 = 15
q = 65.0 x 4.184 x 15
q = 4079 J
39. What is the total number of joules absorbed by 65.0 g of water when the...
a) calculate the temperature change for a 987 gram sample of water that absorbed 6,990 joules of heat. is this endo- or exorthermic? b) how many grams of water when absorbing 12,000 calories will heat from 31.2 degrees c to 99.5 degrees c? c) 69.8 grams of aluminum is heated with 3,900 joules of energy. what will be the temperature change? what would the temperature be if the initial temperature was 25.0 degrees c? the c for aluminum is =...
3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0°C to 65.0'C. The specific heat of water is 4.18 J/gºC. Show your work Final Answer 4. Aluminum metal has a specific heat of 0.901 J/g C. How much heat is transferred to a 6.75 g piece of aluminum initially at room temperature, 20.0°C, when it is placed into boiling water? The temperature of boiling water is 100°C. Show your work Final Answer 5....
Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0 to 65.0 degrees C. The specific heat of water is 4.18 J/gC
3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0°C to 65.0°C. The specific heat of water is 4.18 J/gºC. Show your work Final Answer 4. Aluminum metal has a specific heat of 0.901 J/g C. How much heat is transferred to a 6.75 g piece of aluminum initially at room temperature, 20.0°C, when it is placed into boiling water? The temperature of boiling water is 100°C. Show your work Final Answer 5....
An known mass of liquid water at 25.0 °C is mixed with 65.0 g of water at 95.0 °C. The final temperature of the combined water is 49.6 °C. What was the mass of the cooler sample of water? What equation is used for this question.
Time Remaining Return Next 39 1 point A 66.42-g sample of water is heated from 67.55 °C to 76.00°C. Calculate the energy absorbed by the water in joules. The specific heat of water is 4.20 J/g" in this temperature range. Do not type the units with your answer and use standard notation (not scientific). Type your answer... Previous Next
An unknown sample of metal with a mass of 20.0 grams absorbed 210 joules of energy. The temperature of the metal increased from 25.0°C to 70.0°C. Calculate the specific heat of the metal. What is the identity of the metal? gold silver copper iron aluminum
Question 36 2.85 pts How many joules of heat are absorbed when the temperature of a 13.9 g sample of CaCO3(s) increases from 21.7 °C to 33.3 °C? Specific heat of calcium carbonate is 0.82Jg-1K-1 130 9.5J O 0.68] 0-130 0 -0.68 ) * Previous No new data to save. Last checked at 7:46pm Submit Quia
a 400.0 g sample of water is at 30.0 degree Celsius. Calculate the number joules of energy required to raise the temperature of the water to 45 degree Celsius.
please write clearly and use significant figures. thanks in advance 3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0°C to 65.0°C. The specific heat of water is 4.18 J/gºC. Show your work Final Answer 4. Aluminum metal has a specific heat of 0.901 J/gºC. How much heat is transferred to a 6.75 g piece of aluminum initially at room temperature, 20.0°C, when it is placed into boiling water? The temperature of boiling...