12) If you added 4450 calories of heat to 197 g of aluminum at 25.0 degrees...
If a 105 g piece of aluminum (specific heat 216 cal/g°C) at 25.0°C absorbs 542 cal, what will its new temperature be? Use the correct number of significant figures. f 10.0 g of NH NO, added to 50.0 mL of water cause a 14.3°C decrease in temperature, what is the heat of solution for ammonium nitrate per gram? (Assume the specific heat for the solution is 4.184 J/g °C.)
2 2.50 kj of heat energy is applied to 25.0 g piece of aluminum at 25.0 degrees C. pt Given that the specific heat capacity of Al is 0.878 J/gC, what is the final temperature of the metal? 138.9 degrees C 134.1 degrees C 113.9 degrees C 88.9 degrees C
2.3. V 2.40 How many calories of heat are required to change 12 g of ice from -10°C to water at 25°C? [Given: Cice=0.5 cal/g/°C; Cwater = 1 cal/g/°C] Calorimeter problem to find the specific heat of lead: If 110 g of lead shot at 120°C is dropped into 60 g of water at 25°C contained in a copper calorimeter of 45 g mass, what is the resulting temperature? [Given: Cwater I cal/g/°C; Cpb*** 0.031 cal/g/°C; Ccu = 0.093 cal/g/°C]
How many calories are required to heat 25.0 g of platinum from 24.5 °C to 75°C (specific heat of platinum 0.139 J/gK)? Pay careful attention to units 20 cal 047 cal 42 cal 48 cal 80 cal
a 73.6g sample of aluminum is heated to 95.0 degrees and dropped into 100g of water at 20 degrees 49. A 73.6 g sample of aluminum is heated to 95.0oC and dropped into 100.0 g of Vater at 20.0%C. If the resulting temperature of the water is 30.0C, what is the specific heat of the metal? 100 10 = 1073 a. 0.143 cal/g A C b. 0.209 calg Á ØC c. 0.418 cal/g Á ØC d. 0.486 cal/g A @C...
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
What is the amount of heat, in calories, given off from a 5 g piece of aluminum when it cools from 80°C to 20°C? The specific heat capacity of aluminum is 0.215 cal/g∙°C. Show your work.
An amount 10.24 kcal of heat is added to a 35.0 g sample of a liquid at 25.0°C. The final temperature is 87.4°C. What is the specific heat of the substance in cal/g°C?
Please do in calories 12. A cup of coffee (mass = 125 g and initial temperature of 95 °C) is sitting on a table. You want to cool it off to 88 °C so you can take a drink. You slowly stir it with a metal spoon (mass = 75 g at an initial temperature of 18 °C and specific heat = 0.14 cal/g °C.). What is the specific heat of the coffee?
How much heat in calories is needed to change 30 g of ice at -7 degrees celsius to water at 40 degrees celsius? A. 3000 cal B. 1214 cal. C. 3705 cal