# science

how much energy is needed to heat 3kg of aluminium from 21 oC to 50 oC?

1. 👍 0
2. 👎 0
3. 👁 60
1. 👍 0
2. 👎 0
1. Use the info provided by SraJMcGin plus the following:
q= heat needed = mass Al x specific heat Al x (delta T).
Use 50-21 for delta T. You must look up the specific heat of Al.

1. 👍 0
2. 👎 0
posted by DrBob222
2. it didn't give me any help at all could you please help me in another way and maybe find me out the answer

1. 👍 0
2. 👎 0
posted by Curtis

## Similar Questions

1. ### Physics

The heat of fusion for water is 3.3 x 105 J/kg. How much heat energy is needed to can 3kg of ice at 0°C to water at 0°C? Show your work. Help please!! Don't give the answer, but please help me find the answer?! Thanks

asked by Emily on December 7, 2016
2. ### Chemistry

How much heat is needed to change 3kg of copper from a solid to a liquid? Heat of fusion = 205,000 J/kg

asked by Dee on February 23, 2015
3. ### physics

Before leaving for a vacation£¬the owners of a home 8.0m *21m*5.0m turn the thermostat down to 14celcius. On their return£¬how much heat is needed to raise the temperature of the air inside the home to 21celcius£¿Ignore the

asked by Anonymous on April 18, 2015
4. ### science

an aluminium container of mass 100g contains 200 g of ice at -20'c heat is added to the system at the rate of 100 cal/sec. what will be the final tmperature of the mixture after 4 min? given:specific heat of ice:0.5 cal/gm'c

asked by anu on March 17, 2011
5. ### physic

If the energy used to heat up a block of 2kg of copper is 115.8 kJ, what is the temperature it was heated to if the starting temperature was 100oC and the specific heat capacity is 386 J/kgK. temperature needed = energy/ mass x

asked by micky on June 2, 2017
6. ### Physics

How much heat is needed to melt 14.3kg of silver that is initially at 44°C?

asked by Francis Rose on April 4, 2017
7. ### physics

a 3.55 kg sample of an alloy is heated to 295 degree and plunged into an aluminium vessel containing 10.0L of water. the initial temperature of the vessel and water is 19 degree.the mass of the aluminium vessel is 2.1 kg and the

asked by Twinkle on April 26, 2007
8. ### Science

How much energy is needed to raise the temperature of 2.0kg of aluminium by 30oc

asked by Anonymous on September 29, 2016
9. ### Chemistry

In the equation Q = mc(deltaT), I learned that Q means heat transfer. Is it the heat transfer from the system to the surroundings, i.e. the system loses/absorbs heat or is it from the surroundings to the system? A couple of places