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How much heat in joules must be added to 0.797 kg of beryllium to change it...
How much heat must be added to 0.45 kg of aluminum to change it from its solid state at 130℃ to the liquid state at 660℃ (its melting point)? The latent heat of fusion of aluminum is 4.0 x 105J / kg.
How much heat must be added to 0.45 kg of aluminum to change it from a solid at 160° С to a liquid at 660° С its meting point)? The latent heat of fusion for aluminum is 4.0 x 105 j/kg
How much heat must be added to 26.3 g of solid white phosphorus, P4, at 14.4°C to give the liquid at its melting point, 44.1°C? The heat capacity of solid white phosphorus is 95.4 J/(K∙mol); its heat of fusion is 2.63 kJ/mol. Heat = ____ J
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...
Homework Name: 1) How much heat, in joules, must be added to a 75.0-g iron block with a specific heat of 0.449 J/g °C to increase its temperature from 25 °C to its melting temperature of 1535 °C? 2) A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its temperature from 23.2 °C to 89.6 °C. What is the specific heat of the substance? 3) A 70.0-g piece of metal at 80.0 °C is placed...
How much heat energy in joules must be added to 78 grams of water initially at 23 degrees Celsius if it ends up at 53 degrees Celsius. Remember that the specific heat capacity of water = 4186 J/ (kg oC) or 1 calorie / (g oC)
10. [2pt] How much energy must be added to 2800 g of gold at its melting point of 1063 deg. C in order to change it from a solid to a liquid at 1121.0 deg. C? Answer: Last Answer: 4.64E+05 J Not yet correct, tries 1/20
How much heat must be added to a 8.0-kg Nock of ice at -8 degree C to change it to water at 14 degree C? The specific heat of ice is 2050)/kg middot C degree. the specific heat of water is 4186 J/kg middot C degree, the latent heat of fusion of ice is 334,000 J/kg. and 1 cal = 4.186 J. A) 140 kcal B) 780 kcal C)730kcal D)810kcal E) 180 kcal
How much heat should be added to 0.45kg of aluminium to change it from its solid state to at Bocto the liquid state Celoc polit) The latent heat of aluminium fusion is 4.0X10S TIRG
How much heat energy is required to convert 15.0 g of solid ethanol at -114.5 °C to gasesous ethanol at 143.1 °C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol. Ethanol has a normal melting point of -114.5 °C and a normal boiling point of 78.4 °C. The specific heat capacity of liquid ethanol is 2.45 J/g·°C and that of gaseous ethanol is 1.43 J/g·°C. How much heat energy...