3. How many Joules is needed to raise the temperature of 8.16 grams of aluminum from 25.0º to 34.0ºC ? [Report to 3 sig figs. Do not put in unit label.]
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3. How many Joules is needed to raise the temperature of 8.16 grams of aluminum from...
1. A 10.0 chunk of zinc at 100.0 ºC is dropped into a 100 grams of water at 5 ºC. What is the final temperature in Celcius of the water? [Report to three sig figs with no until label.] 2. Calculate the enthalpy for the reaction below at standard conditions using Appendix G in your textbook. [Report the answer to three sig fig, without unit labels, and using +/- signs to indicate if the reaction is endo- or exothermic.] 2...
a) how many joules are needed to heat up 325 grams of water from 25.1 degrees c to 43.8 degrees c? how many calories? b) how many joules are needed to heat up 325 grams of aluminum from 25.1 degrees c to 89.5 degrees c? how many calories? the c for aluminum is = 0.897 j/g degrees c
A piece of aluminum with a mass of 4.31 grams is heated to raise its temperature from 24.3 degree C to 230.8 degree C. (a) What quantity of heat (in joules) is absorbed by the aluminum? (b) Determine the molar heat capacity of aluminum.
1. How much heat is needed to raise the temperature of 3 kg of water from 20oC to 40oC? Give answer in kJ (1kJ = 1000 J) (round answer to 3 sig fig) 2. How much heat is needed to raise the temperature of 3 kg of ice from -40oC to -20oC? (round answer to 3 sig fig) Specific heat of water: C = 4180 J/kgK Specific heat of ice: C = 2090 J/kgK Specific heat of ethanol: C= 2440...
how many joules are required to raise the temperature of 1.074 g of iron from 25.1C to 100.0C ( the specific heat of iron is 0.449 J/g*C)
1) How much heat must be supplied in joules to raise the temperature of 50 grams of Iron from 25C to 100C? 2) Calculate the dimensions for a pattern mold that will be used to produce a cast rectangular shaped Gold ingot with dimensions of 10 x 10 x 3 cm at 25C.
1. How much heat is needed to raise the temperature of 1.50 g of aluminum metal from 23.2 °C to 30.5 °C? (Specific heat capacity of aluminum is 0.90 J/g-K). 2. Given the following thermochemical equation: 2Ba(s) +0,() - 2B20(8) DH=-1107 kJ How many kJ of heat are released when 15.75 g of Ba(3) reacts completely with oxygen to form BaO(s)?
How much energy is required to raise the temperature of 13.8 grams of solid diamond from 20.4 °C to 37.7°C ? Answer: Joules. What is the energy change when the temperature of 12.5 grams of gaseous oxygen is decreased from 36.7 °C to 21.7 °C ? Answer: Joules.
17. How many JOULES of energy is required to change the temperature of 2.00 g aluminum from 200 The specific heat of aluminum is 0.902 to 2 9.0J 0.090 2.31 0.361
How much energy is required to raise the temperature of 10.2 grams of gaseous hydrogen from 20.2 °C to 39.1 °C? Answer in Joules?