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Energy/Specific Heat (q=mcAT) 1. Determine the energy, in Joules, needed to increase the temperature of 20.00...
answers should have correct significant figures. All four questions use the equation q = MCAT 1....
answers should have correct significant figures.
All four questions use the equation q = MCAT 1. How much energy is absorbed by a 70.0g sample of water being heated from 18 degrees Celsius to 100 degrees Celsius, given the heat capacity of water as 4.184J per gram degrees Celsius. 2. If a 20.0g sample of gold absorbed 250.0 Joules of energy, what was the change in temperature given a heat capacity for gold as 0.129J per g degrees Celsius? 3....
1)calculate the specific heat of 87.0 grams of a substance that when it absorbs 9,370 joules...
1)calculate the specific heat of 87.0 grams of a substance that when it absorbs 9,370 joules of heat, it increases in temperature from 15.0 degrees c to 75.0 degrees c 2) calculate the energy needed to heat 127.0 grams of water from 25 degrees c to 95 degrees c. assume that the specific heat for liquid water is 4.18 j/g degress c
please answer all questions Temperature Change and Phase Change - Specific Heat and Latent Heat -...
please answer all questions
Temperature Change and Phase Change - Specific Heat and Latent Heat - From COLD ICE to Warm Water The quantitative relationship between heat transfer and temperature change is Q = mcAT, where Q is heat transfer, m is the mass of the substance, and AT is the change in temperature. The symbol c stands for specific heat which depends on the material and phase (for exmample, water and ice have different specific heat). The specific heat...
solve The heat energy associated with a change in temperature that does not involve a change...
solve
The heat energy associated with a change in temperature that does not involve a change in phase is given by -msAT where q is heat in joules, mis mass in grams, s is specific heat in joules per gram-degree Celsius, J/(g·°C). and AT is the temperature change in degrees Celsius. The heat energy associated with a change in phase at constant temperature is given by where q is heat in joules, m is mass in grams, and ? H...
Specific heat is the heat necessary to raise the temperature of 1kg of a given material...
Specific heat is the heat necessary to raise the temperature of 1kg of a given material by 1∘C. This specific heat value varies by material with metals having relatively low specific heat with organic materials and water being very high. The specific heat of mercury is 140 J/kg∘C and the specific heat of water is 4190 J/kg∘C. 1.140 J of heat energy are transferred to 30.9 g of mercury. By how much does the temperature increase in Celsius? 2. How...
The specific heat c is the amount of heat necessary to change the temperature of 1.00...
The specific heat c is the amount of heat necessary to change the temperature of 1.00 kg of mass by 1.00°C. The specific heat c is a property of the substance; its Sl unit is J/(kg · K) or J/(kg.°C). Recall that the temperature change (AT) is the same in units of kelvin and degrees Celsius. water silver copper cup Case 1: A 0.780-kg silver pellet with a temperature of 85 °C is added to 0.150 kg of water in...
1. In the laboratory a student finds that it takes 81.6 Joules to increase the temperature of 14.1 grams of solid iodine...
1. In the laboratory a student finds that it takes 81.6 Joules to increase the temperature of 14.1 grams of solid iodine from 25.0 to 39.4 degrees Celsius. The specific heat of iodine calculated from her data is J/g°C. 2. In the laboratory a student finds that it takes 116 Joules to increase the temperature of 11.8 grams of solid sulfur from 24.0 to 38.1 degrees Celsius. The specific heat of sulfur calculated from her data is J/g°C. 5.1
LAB 10 PRE LAB WORKSHEET Specific Heat Capacity (C) The energy transferred as heat that is...
LAB 10 PRE LAB WORKSHEET Specific Heat Capacity (C) The energy transferred as heat that is required to raise the temperature of 1 gram of a substance by 1 kelvin. q= - m x Cp X AT q=heat lost or gained, m= mass of solution (grams) Cp = the Specific Heat Capacity of a compound (J/g x °C)) AT = Tfinal-Tinitial AHsolution = 9 moles of salt 1. If 1.25 g of ammonium nitrate (NH4NO3) is dissolved in 25.0 mL...
1.In the laboratory a student finds that it takes 214 Joules to increase the temperature of...
1.In the laboratory a student finds that it takes 214 Joules to increase the temperature of 14.9 grams of gaseous nitrogen from 24.8 to 39.5 degrees Celsius. The specific heat of nitrogen calculated from her data is J/g°C. 2.In the laboratory a student finds that it takes 66.2 Joules to increase the temperature of 12.6 grams of solid copper from 23.8 to 38.2 degrees Celsius. The specific heat of copper calculated from her data is J/g°C. 3.An electric range burner weighing 645.0...
please please answer all question 17. How many JOULES of energy are needed to warm 4.37...
please please answer all question
17. How many JOULES of energy are needed to warm 4.37 g of silver (Ag) from 25.0 c to 27.5 C? The specific heat of silver is 0.24c a. 0.14J b. 2.6 c. 46 J d. 0.022 18. Given the table below of specific heat capacities, which one will experience the SMALLEST increase in temperature if 10.0 J of heat is added to 1.00 g of each of these substances? Water Cast iron Lead (Pb)...
answers should have correct significant figures.
All four questions use the equation q = MCAT 1. How much energy is absorbed by a 70.0g sample of water being heated from 18 degrees Celsius to 100 degrees Celsius, given the heat capacity of water as 4.184J per gram degrees Celsius. 2. If a 20.0g sample of gold absorbed 250.0 Joules of energy, what was the change in temperature given a heat capacity for gold as 0.129J per g degrees Celsius? 3....
please answer all questions
Temperature Change and Phase Change - Specific Heat and Latent Heat - From COLD ICE to Warm Water The quantitative relationship between heat transfer and temperature change is Q = mcAT, where Q is heat transfer, m is the mass of the substance, and AT is the change in temperature. The symbol c stands for specific heat which depends on the material and phase (for exmample, water and ice have different specific heat). The specific heat...
solve
The heat energy associated with a change in temperature that does not involve a change in phase is given by -msAT where q is heat in joules, mis mass in grams, s is specific heat in joules per gram-degree Celsius, J/(g·°C). and AT is the temperature change in degrees Celsius. The heat energy associated with a change in phase at constant temperature is given by where q is heat in joules, m is mass in grams, and ? H...
The specific heat c is the amount of heat necessary to change the temperature of 1.00 kg of mass by 1.00°C. The specific heat c is a property of the substance; its Sl unit is J/(kg · K) or J/(kg.°C). Recall that the temperature change (AT) is the same in units of kelvin and degrees Celsius. water silver copper cup Case 1: A 0.780-kg silver pellet with a temperature of 85 °C is added to 0.150 kg of water in...
LAB 10 PRE LAB WORKSHEET Specific Heat Capacity (C) The energy transferred as heat that is required to raise the temperature of 1 gram of a substance by 1 kelvin. q= - m x Cp X AT q=heat lost or gained, m= mass of solution (grams) Cp = the Specific Heat Capacity of a compound (J/g x °C)) AT = Tfinal-Tinitial AHsolution = 9 moles of salt 1. If 1.25 g of ammonium nitrate (NH4NO3) is dissolved in 25.0 mL...
please please answer all question
17. How many JOULES of energy are needed to warm 4.37 g of silver (Ag) from 25.0 c to 27.5 C? The specific heat of silver is 0.24c a. 0.14J b. 2.6 c. 46 J d. 0.022 18. Given the table below of specific heat capacities, which one will experience the SMALLEST increase in temperature if 10.0 J of heat is added to 1.00 g of each of these substances? Water Cast iron Lead (Pb)...
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