How much heat is needed to raise the temp of 1.85 grams of copper from room...
How much heat is needed to raise the temp of 1.85 grams of copper from room temp to its melting point...c(copper)= 386 J/kgC melting point=1084 room temp is 20C
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How much heat is needed to raise the temp of 1.85 grams of
copper from room...
8. How much heat is needed to raise the temperature of 100 copper pennies weighing 3.012...
8. How much heat is needed to raise the temperature of 100 copper pennies weighing 3.012 g each from 25.2°C to 40.7°C (assuming the pennies are ca. 100% Cu, and the specific heat of Cu=0.385J/g.°C).
How much heat is required to raise the temp of 23.2g of water from -55 c...
How much heat is required to raise the temp of 23.2g of water from -55 c to 175 c
1. How much heat is needed to raise the temperature of 3 kg of water from...
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...
Determine the mass of a pierce of copper where the heat needed to raise the temperature...
Determine the mass of a pierce of copper where the heat needed to raise the temperature of the copper from 0°C to 110 °C was 293,000 J . The specific heat capacity of copper is 376 J per kilogram per degree Celsius. Answer in whole numbers and one decimal place in kg.
How much heat does it take to melt 43.77 g of copper if the copper is...
How much heat does it take to melt 43.77 g of copper if the copper is already at its melting point? The heat of fusion of copper is 49cal/g
At 1 atm, how much energy is required to heat 0.0550 kg of ice at -22.0...
At 1 atm, how much energy is required to heat 0.0550 kg of ice at -22.0 °C to steam at 129.0 °C? STRATEGY 1. Calculate the energy needed for each temperature change or phase change individually. A. The energy needed to heat 0.0550 kg of ice from -22.0 C to its melting point. B. The energy needed to melt 0.0550 kg of ice at its melting point C. The energy needed to heat 0.0550 kg of liquid water from the...
The molar specific heat of copper is 24.5 J/(mol-K). The amount of heat needed to raise...
The molar specific heat of copper is 24.5 J/(mol-K). The amount of heat needed to raise 126 g of copper by 2°C is 12.3. 24.5 J. 98. 147J. 49.
How much heat is required to raise a 5.38 g sample of aluminum (26.98 g/mol) from...
How much heat is required to raise a 5.38 g sample of aluminum (26.98 g/mol) from 29.0°C to a temperature of 894°C? The information below may be useful. Specific heat capacity of Al (solid) = 0.903 J/g x *C Specific heat capacity of Al (liquid) = 1.18 J/g x *C ΔHfusion = 10.7 kJ/mol Melting Point of Al = 660*C
A 658.0 kg copper bar is put into a smelter for melting. The initial temperature of...
A 658.0 kg copper bar is put into a smelter for melting. The initial temperature of the copper is 300.0 K. How much heat must the smelter produce to completely melt the copper bar? (The specific heat for copper is 386 J/kg·K , the heat of fusion for copper is 205 kJ/kg, and its melting point is 1357 K.)
15. How much heat is needed to melt a 4 kg block of cheddar cheese initially...
15. How much heat is needed to melt a 4 kg block of cheddar cheese initially at room temperature of 25 degrees C? (assume the melting point of cheddar cheese is 150 degrees C, the latent heat of fusion of cheese is 124 KJ/kg and the specific heat of cheddar cheese is 2.08 KJ/kg C) (in J)
8. How much heat is needed to raise the temperature of 100 copper pennies weighing 3.012 g each from 25.2°C to 40.7°C (assuming the pennies are ca. 100% Cu, and the specific heat of Cu=0.385J/g.°C).
At 1 atm, how much energy is required to heat 0.0550 kg of ice at -22.0 °C to steam at 129.0 °C? STRATEGY 1. Calculate the energy needed for each temperature change or phase change individually. A. The energy needed to heat 0.0550 kg of ice from -22.0 C to its melting point. B. The energy needed to melt 0.0550 kg of ice at its melting point C. The energy needed to heat 0.0550 kg of liquid water from the...
The molar specific heat of copper is 24.5 J/(mol-K). The amount of heat needed to raise 126 g of copper by 2°C is 12.3. 24.5 J. 98. 147J. 49.
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