An unknown material with a mass of 1 kg is heated from 200C to 500C. The amount of heat energy required was 3.7 kJ. Calculate the specific heat and identify the material.
Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 91.5°C. The substance is…
A: The given values are, mu=0.125 kgTi,u=91.5° Cmw=0.285 kgTi,w,Al=27.5° CmAl=0.150 kgTf=32.0° C
Q: It takes 5000 J of energy to raise the temperature of a 1.5 kg sample of an unknown material by…
A:
Q: Steam at 100°C is used to warm 350 g of water contained in a 300 g aluminum container. The initial…
A: Temperature of steam: Mass of water in Aluminium container: Mass of Aluminium container: Initial…
Q: A beaker of negligible heat capacity contains 456 g of ice at -25.0°C. A lab technician begins to…
A: The beaker initially contains 456 grams of ice, at -25 C. Water converts into ice as soon as the…
Q: A 30.0 g sample of water at 280 K is mixed with 50.0 water at 330 K. Calculate the final temperature…
A:
Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 94.5°C. The substance is…
A:
Q: While attempting to forge a sword in Skyrim, you obtain an iron ore sample of unknown mass to work…
A: Heat is provided to increase the temperature of the substance. During cooling of a substance, heat…
Q: a 7.56 m long aluminum pipe sits out in the sun. if the temperature goes from 15 c to 33 c how much…
A: Recall ∆L=αL∆T
Q: An aluminum block with a heat capacity of 4050 J/°C is heated from 20.0°C to 185.0°C. The material…
A:
Q: DETAILS SERPSE10 19.2.OP.004. A brass calorimeter cup with a specific heat of 380 1/(kg- °C)…
A:
Q: water and steam, initially at 100 degrees celcius, are cooled down to skin temperature of 34 degrees…
A: Mass of steam Initial temperature of steam Temperature…
Q: A block of 10.0 kg of solid gold at its melting point of 1,063.00°C changes phase to liquid gold at…
A: Given data: The mass of block is m=10 kg. The melting temperature is T=1063℃. The latent heat of…
Q: A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0ºC is placed in a freezer. What is the…
A: It is given that,
Q: An insulated Thermos contains 150 cm of hot coffee at 88.0°C. You put in a 15.0 g ice cube at its…
A: Let T be the final equilibrium temperature. Mass of coffee = volume x density = 160 x 1.00 = 160 g…
Q: An unknown substance has a mass of 0.125 kg and an initial temperature of 92.0°C. The substance is…
A:
Q: A compound is burned in a bomb calorimeter that contains 1.50 kg of water. If the combustion of…
A:
Q: A student, who is trying to drink away memories of a physical science homework, decides to pour…
A:
Q: An insulated beaker with negligible mass contains a mass of 0.300 kg of water at a temperature of…
A: Given data: Mass of the water, mw=0.3 kg Initial temperature of water, Ti=640C Specific heat of…
Q: 200 kg of water at 0o C is in an insulated container. A .500 kg sample of iron (448 J/kg-C) at 100oC…
A: It is given that,
Q: We pour 0.200 Kg of hot coffee at 80°C into a silver cup of mass equal to 0.400 Kg which is…
A: It is given that,
Q: A copper calorimeter whose mass is 250 g contains 700 g of water at 250C. When 25 g of a certain…
A: the specific heat of the metal is 2.127cal.gm. °C
Step by step
Solved in 3 steps
- A 65.4.g copper cylinder at the temperature of 99.5 0C is placed into an aluminum cup with cold water at 18.0 0C. After reaching the thermal equilibrium the final temperature reaches 24.5 0C. How much water is in the cup if the mass of the aluminum cup is 45.7 g? Specific heat of aluminum is 0.215 cal/g 0C and the one of copper is 0.0923 cal/g 0C.Ice at 00C is placed in a Styrofoam cup containing 0.32 kg of lemonade at 270C . The specific heat capacity of the lemonade is virtually the same as that of water, c = 4186 J/kg 0C. After the ice and lemonade reached the equilibrium temperature, some ice still remains. The latent heat of fusion for water is Lf = 3.35 x105 J/kg. Assume that the mass of the cup is so small that it absorbs a negligible amount of heat, and ignore any heat lost to the surroundings. Determine the mass of ice that has melted.A block of 10.0 kg of solid gold at its melting point of 1,063.00°C changes phase to liquid gold at 1,063.00°C and then changes phase back to solid gold at 1,063.00°C. The latent heat of fusion for gold is 6.44×104 J/kg. What is the total change in internal energy of the gold during this whole process?
- The fruit juice is heated in a heat exchanger using steam as a heating medium. The product flows through the heat exchanger at a rate of 1300 kg / hr and the intake temperature is 20 ° C. Determine the amount of steam required to heat the product to 100 ° C when only the latent heat of the vapor (assuming the inlet vapor temperature is equal to the temperature of the final product) is used for heating. The specific heat of the product is 4 kJ / (kg ° C). =An unknown substance has a mass of 0.125 kg and an initial temperature of 90.0°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 21.5°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance.You have to samples of equal mass one of gold and one of copper that you heat up to 120゚C. Gold has a specific heat of 126 j/kgK and copper has a specific heat of 387 j/kgK. Which sample reaches the temperature first? why?
- An unknown piece of metal is heated to 98.0°C and dropped into a coffee cup calorimeter containing 250.0 g of water. The water in the calorimeter increases from 2.15°C to 23.0°C. the specific heat of water is 4.18 J/g°C. calculate the energey of the metal.In an experiment measuring the latent heat of fusion of water, the following procedure was followed. Ice cube of mass 35.0 g at an initial temperature of 0.0°C is dropped into 225.0 g of 65.0°C water in an aluminum container. The mass of the aluminum container is 44 .0 g and the final equilibrium temperature is 46.0℃. Determine whether any heat is lost or gained in this experiment to the environment. If yes, how much? (For water: c = 1.00 cal/g×°C and Lf = 77.9 cal/g; for Al: c = 0.215 cal/g×°CA piece of metal was at a temperature of 27oC when it was found to be emitting thermal radiation at a rate of 0.20 W (J/s). Then it was placed in a furnace and brought to a temperature of 927oC. What would be the rate of thermal radiation emitted by this object at this higher temperature? Assume no change in surface area or emissivity.
- An unknown substance has a mass of 0.125 kg and an initial temperature of 94.5°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 25.5°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium.temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance. J/kg - °C Need Help? Read It MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER SERCP11 11.4.P.033.MI.An unknown material with a mass of 1 kg is heated from 600C to 1000C. The amount of heat energy required was 15.2 kJ. Calculate the specific heat and identify the material.Two objects, A and B, initially at 200 Kand 400 K, respectively, are brought into contact with each other. Over this range of temperatures the heat capacity of object A and object B can be approximated by the following equations: CA = 2 +0.05T and CB = 4 +0.02T Through the exchange of heat the two objects eventually obtain a common final temperature. How much heat (in J) was exchanged during the process of obtaining the final temperature? 100