# chemistry

how much heat is needed to bring 90.0 grams of aluminum from 25 to 75 degrees celcius?

1. 👍 0
2. 👎 0
3. 👁 97
1. Note the correct spelling of celsius.
q = mass Al x specific heat Al x (Tfinal-Tinitial)

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Physics

A 50.0 g silver spoon at 20.0 degrees Celsius is placed in a cup of coffee at 90.0 degrees C. How much heat does the spoon absorb from the coffee to reach a temp. of 89.0 degrees C? Rememeber this equation. It, or a slight

asked by Erica on November 21, 2006
2. ### Chem

A 28.4 g sample of aluminum is heated to 39.4 C, then is placed in a calorimeter containing 50.0 g of water. Temperature of water increases from 21.00 C to 23.00 C. What is the specific heat of aluminum in cal/gC? Is the answer

asked by Ish on September 21, 2014
3. ### chemistry

Al2(SO4)3+6KOH-->2Al(OH)3+3K2SO4 a)How many grams of potassium hydroxide are needed to completely react with 870 mg of aluminum sulfate? b)If you want to make 7.00 grams of potassium sulfate, how many grams of aluminum sulfate

asked by ashley on April 29, 2013
4. ### Chemistry

A hot lump of 25.6 g of aluminum at an initial temperature of 57.4 °C is placed in 50.0 mL of H2O initially at 25.0 °C and allowed to reach thermal equilibrium. What is the final temperature of the aluminum and water given that

asked by Bart on October 8, 2016
5. ### Chemistry

How many joules of heat are needed to heat 25.0 g of ice at -5.0 degrees celcius to a final temperature of 40.0 degrees celcius? The specific heat of ice is 2.1 j. Our teacher mention to consider the state of water present at 40.0

asked by Thao on April 6, 2011
1. ### chemistry

Aluminum metal is exposed to atmospheric oxygen, it is oxidized to form aluminum oxide. How much heat is released by the complete oxidation of 24.2 grams of aluminium at 25°C and 1atm.

asked by Diana on October 13, 2012
2. ### Chemistry

A 0.250-g sample of a magnesium-aluminum alloy dissolves completely in an excess of HCl (aq) . When the liberated H2 (g) is collected over water at 29 degrees celsius and 752 torr, the volume is found to be 301 mL . The vapor

asked by Jake on February 28, 2011
3. ### PHYSICS

A copper vat is 10 m long at room temperature (20 degrees C). How much longer it is when it contains boiling water at 1 atm pressure? Air in a balloon does 50 J of work while absorbing 70 J of heat. What is its change in internal

asked by Matt on February 17, 2011
4. ### Science

1. How much heat energy is lost by 3 kg of water when it cools from 80 degrees C to 10 degrees C? 2. A 300 g piece of aluminum is heated from 30 degrees C to 150 degrees C. What amount of heat energy is absorbed? 3. Determine the

asked by Debra on October 23, 2011
5. ### IPC

The specific heat capacity of aluminum is 0.22 cal/g°C. How much energy needs to flow into 20.0 grams of aluminum to change its temperature by 15°C? How do i set this problem up to solve it?

asked by Kaitlin on February 24, 2011
6. ### CHEMISTRY

How much heat is needed to melt 150g of ice? and How much heat is needed to change 150g of ice into steam at 110 degrees? My heat of fusion is 361 and my percent error is 8 if you need that. Answers quickly please :(

asked by TaShe on March 8, 2011