17. How many JOULES of energy is required to change the temperature of 2.00 g aluminum...
The specific heat of aluminum is 0.900 j/g* C, how many joules of energy required to raise the temperature of 20.0 g of Al from 10.0°C to 15.0°C ? 79 J 90.0 J 100.0 J 112 J
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)
9:484 Back Specific Heat Chpt3.docx Heat Capacity 1) How many Joules of energy are required to raise 15g of aluminum from 30 C to 100°C? Given the heat capacity of Aluminum is 0.903 Jig C 2) If 6093 cal of energy is added to some pure substance. If the temperature went from 10°C to 50°C, how many grams of the substance was present. Given the of the substance is 2.45cal/g C 3) If 4x10* J of energy is added to...
How many joules of energy would be required to heat 28.5 g of carbon from 23.6oC to 54.2oC? (Specific heat capacity of carbon = 0.71 J/goC.)
1.If 245 Joules is required to change the temperature of 14.4 g of Chromium by 38.0 K, What is the specific heat of capacity of Chromium? 2. Calculate the energy in the form of heat (in kJ) required to convert 225 grams of liquid water at 21.0 °C to steam at 115 °C. (Heat of fusion = 333 J/g; heat of vaporization = 2256 J/g; specific heat capacities: liquid water = 4.184 J/g·K, steam = 1.92 J/g·K)
3. How many joules are required to change the temperature of 23.3°C to 43.5°C? change the temperature of 50.0 g of water from (2 marks)
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 =...
How much heat in joules is required to heat a 50 g sample of aluminum from 70 ∘F to 141 ∘F? (The specific heat capacity of aluminum is 0.903 J/(g⋅∘C).) Express your answer using two significant figures.
How many joules of heat energy are required to completely boil away 168.2 g of water starting at room temperature (25°C)?
How many joules of energy would be required to heat 26.4 g of carbon from 23.6°C to 54.2°C? (Specific heat capacity of carbon = 0.71 J/g.°C.) 1.1 X 103 1.0 X 103 none of these 1.5 X 103 5.7 X 102