Question

Consider 50 gram of gold with initial temperature 27 C. Melting point of gold is 1064...

Consider 50 gram of gold with initial temperature 27 C. Melting point of gold is 1064 C. Find the heat required to melt the gold. Given specific heat of gold is .03 cal/(gram C) , heat of fusion is 15.4 cal/(gram C)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
suppose the specific heat of ice and water is 0.49 cal/g. C ( C represent degree...
suppose the specific heat of ice and water is 0.49 cal/g. C ( C represent degree Celsius) and 1.0 cal/g. C. the latent heat of fusion of water is 80 cal/g. how much heat (in calories) is required for 100 grams of ice with an initial temperature of -10 C to a. raise the ice's temperature to the melting point? b. then completely melt the ice to water? c. finally, raise the water's temperature to 50 C?
Two 50 gram ice cubes are dropped into 200 grams of water in a class. 1.)...
Two 50 gram ice cubes are dropped into 200 grams of water in a class. 1.) if the water was initially at a temperature of 25 degrees C, and if the ice came directly from a freezer operating at -15 degrees C, what will be the final temperature of the drink? The specific heat of ice is about 0.50 cal/(gram degree C) in this temperature range, and the heat required to melt ice to water is about 80 cal/gram. 2.)...
Suppose that 0.1 kg of ice at an initial temperature of -10°C are put into 0.40...
Suppose that 0.1 kg of ice at an initial temperature of -10°C are put into 0.40 kg of water at an initial temperature of 20°C. Assume the final temperature is 0°C. How many grams of ice will melt? Specific heat capacity of water is 4,200 J/kg/°C. Specific heat of fusion of water is 336,000 J/kg and specific heat capacity of ice is 2,100 J/kg/°C.
The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 × 105...
The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 × 105 J/kg. How much heat must be added to 900 g of aluminum at 660°C to completely melt it?
A 2.03-g lead bullet traveling at 508 m/s strikes a target, converting its kinetic energy into...
A 2.03-g lead bullet traveling at 508 m/s strikes a target, converting its kinetic energy into thermal energy. Its initial temperature is 40.0°C. The specific heat is 128 J/(kg · °C), latent heat of fusion is 24.5 kJ/kg, and the melting point of lead is 327°C. (a) Find the available kinetic energy of the bullet. J (b) Find the heat required to melt the bullet. J
2. Sixty grams of water is at an initial temperature of 24 °C. Calculate the heat...
2. Sixty grams of water is at an initial temperature of 24 °C. Calculate the heat required to completely convert the 100 ºC water to steam. (The latent heat of vaporization of water is 540 cal/g.) The heat required to completely convert the 100 ºC water to steam is... kcal? 3. How much heat is required to raise the temperature of 140 g of water from 12°C to 88°C? The specific heat capacity of water is 1 cal/g·°C. The heat...
A 25 g gold nugget with an initial temperature of 60 °C is dropped into an...
A 25 g gold nugget with an initial temperature of 60 °C is dropped into an insulated cup containing 100 ml of water initially at a temperature of 5°C. What is the final temperature after thermal equilibrium is established? Table 3.4 Specific Heat Capacities of Some Common Substances Substance Specific Heat Capacity (J/g °C) Lead 0.128 Gold 0.128 Silver 0.235 Copper 0.385 Iron 0.449 Aluminum 0.903 Ethanol 2.42 Water 4.184
A 60 kg block of ice begins at -60 degrees the specific heat of ice is...
A 60 kg block of ice begins at -60 degrees the specific heat of ice is 2090 j/(kg)C. The latent heat of fusion of water is 3.3 x 10^5 and the latent heat of vaporization is 2.3 x 10^6 J/kg. How much energy is required to heat the ice to 0 degrees Celcius (melting point)? How much energy is required to heat the ice from -50C to the melting point and melt the ice? How much energy is required to...
A student places a 72.0 gram sample of metal at an initial temperature of 100.˚C in...
A student places a 72.0 gram sample of metal at an initial temperature of 100.˚C in a coffee cup calorimeter that contains 40.0 grams of water at an initial temperature of 25.0 ˚C. After addition of the metal, the temperature of the water / metal mixture was monitored using a temperature probe. The highest temperature of the water / solid combination was found to be 35.0 ˚C. (The specific heat of water = 4.18 J / g ˚C ) Do...
A lead bullet of unknown mass leaves a rifle at a temperature of 87 C and...
A lead bullet of unknown mass leaves a rifle at a temperature of 87 C and hits a steel plate. Upon impact exactly half of the bullet's mass melts. Assume that only 40% of the bullet's initial kinetic energy goes into increasing its temperature and then partially melting it. What was the initial speed of the bullet? melting temperature of LEAd: 327 C specific heat of Lead: 0.13E3 J/(Kg.K) Latent heat of fusion: 22.9E3 J/kg