1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
bearhunter [10]
3 years ago
9

If no heat is lost to the surroundings, how much heat must be added to raise the temperature from 20.0 ∘C to 85.0 ∘C ?

Physics
1 answer:
andrey2020 [161]3 years ago
3 0

Answer:

Explanation:

C_{water} = 4190 J/kg.K

C_{Al} = 910 J/Kg. K

m_{Al} = 1.50 kg

m_{water} = 1.80 kg

Q_{added} = Q_{Al} + Q_{water}

=m_{Al} C_{Al}ΔT + m_{water} C_{water}ΔT

= (1.50)(910)(85.0-20)+(1.80)(4190)(85.0-20)

= 578,955 J

= 579 kJ

You might be interested in
Not sure what to put this under
cestrela7 [59]

family 16 cause i said so XD


5 0
2 years ago
What happens to a satellite that slows down?
Bess [88]

Two things can happen to <u>old satellites</u>: For the closer satellites, engineers will use its last bit of fuel to slow it down so it will fall out of orbit and burn up in the atmosphere. Further satellites are instead sent even farther away from Earth.

4 0
3 years ago
Read 2 more answers
Electricity flows from what to what
DerKrebs [107]
Electricity flows from positive to negative
5 0
2 years ago
Read 2 more answers
Astronomers use a special kind of instrument called a spectrometer to analyze stars. Spectrometers can determine what stars are
marshall27 [118]
The approval of the stars
4 0
2 years ago
How do you comprehend the fourth dimension?
sergij07 [2.7K]
The fourth dimension is technically time. the fourth dimension that you are talking about is actually impossible to comprehend.
6 0
2 years ago
Other questions:
  • Iron reacts with sulfur to form iron sulfide. If 60 grams of iron reacts with sulfur to produce 90 grams of iron sulfide, how mu
    6·1 answer
  • If it takes Ashley 3 seconds to run from the batters box to first base at an average speed of 6.5 meters per second, what is the
    11·2 answers
  • As a clinical chemist in charge of the testing of blood samples. You are required to mix a solution of sodium chloride with wate
    13·1 answer
  • Pure gold and silver have densities of 19,300 kg/m^3 and 10,500 kg/m^3, respectively. If a jeweler uses 0.25 cm^3 of metal to ma
    15·1 answer
  • Find the weight of a 15 kg rock. Acceleration due to gravity is 9.8 m/s2.
    13·2 answers
  • Describe how a change in resistance would affect the current in a circuit.
    5·1 answer
  • Why do scientists believe the universe is still expanding?
    11·1 answer
  • Taylor Swift weighing 794 N gets on an elevator. The elevator uses 313 W of power to lift the person 22.0 m. How much time did t
    5·1 answer
  • Can someone help please
    12·1 answer
  • A barometer reads 780 mm Hg. Mercury has a density of 1.36 x 10^4 kg /m^3.
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!