7. cal of heat are required to increase the temperature of a 100 g block of...
Find what heat in calories (cal) is required to increase the temperature of 52 g water from 0°C to 50 °C The specific heat capacity of water is 1 cal/g. C Express your answer to two significant figures and include the appropriate units. Calculate the quantity of heat absorbed by 12 g of water that warms from 30°C to 82 °C. Express your answer to two significant figures and include the appropriate units.
10.g of a certain metal absorb 40. cal of heat and the temperature is abserved to rise from 20 *C .The specific heat of this metal is _ cal/g *C 100.cal of heat are addad to 10 g of ethanol( 0.581 cal/g *C) origginally at * C. The final temprature is_ How many joules of heat are reguired to raise the temperature of 35 ml of water from 25 *C to 100 *C? still waiting for anwers
Convert: 150°C to °F; 25°F to °C, -50°F to °K, 100°C to K, 400K to 'c etc. How much heat is required to increase the temperature of 40g water from 25°C to 100°C? Specific heat of water is 1 cal/g°C. How much heat is required to convert 50g ice at 0°C to water at O'C? Latent heat of fusion for ice LF80 cal/g. How much heat is required to increase the temperature of 20g iron from 25°C to 300°C? Specific...
Please Help!!!! QUESTION 16 A 1.00 kg block of ice (specific heat 0.500 cal/g deg C) is removed from the freezer where it was kept at -13.2 degrees Celsius. How much heat energy (in cal) has it absorbed when its temperature is -5 degrees Celsius? QUESTION 17 How much heat energy (in cal) is required to heat the block from the previous problem from -5 deg Celsius to 0 deg Celsius?
1. The specific heat of aluminum is 0.215 cal/goc. A 1000 g block of aluminum is heated to 600 oC and then allowed to cool. If the aluminum loses 5000. cal to the atmosphere in 30 seconds, what will be its temperature at the end of that period? 2. molar heat capacity of a substance was found to be 5.73 calmoloC, and the specific The heat capacity was found to be 0.0902 calg°C. What is the atomic weight of this...
A total of 619 cal of heat is added to 5.00 g of ice at −20.0 °C. What is the final temperature of the water? Specific heat of ?2?(?) 2.087 J/(g⋅°C) Specific heat of ?2?(?) 4.184 J/(g⋅°C) Heat of fusion for ?2? 333.6 J/g
Incorrect Question 7 0/4 pts 63.0 g of an unknown metal at 100°C is placed in 50.0 g of water at 24.4°C. The temperature of the system at equilibrium is 27.2°C. What is the unknown metal? Your choices, and their specific heat values in (cal/g°C) Pb (0.0305) Rb (0.086) Sn (0.051) Zn (0.0925) Cu (0.092) Cr(0.111) Ba (0.063)
A 750 g block of copper is heated to 250 degrees C. It is placed in a 350 g aluminum vessel that contains 200 g of water at 5.00 degrees C. What is the final temperature of the copper, water, and aluminum vessel? Specific heat of copper = 0.093 cal/g C degrees Specific heat of aluminum = 0.215 cal/g C degrees Specific heat for water = 1.0 cal/g C degrees
895 J of heat was required to increase the temperature of 29.6 g of aluminum initially at 22.5°C. What is the final temperature of the aluminum? Specific heat capacity of aluminum is 0.903 J/g°C.
A block of material requires 20 kJ of heat energy to increase its temperature from 25 °C to 30 °C. How much heat energy is required to increase the temperature of the block from 50 °C to 55 °C? WTF. There is not enough information provided to answer the question. 40 kJ O 25 kJ O 100 kJ 20 kJ