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
Vesna [10]
3 years ago
12

An 80.0g sample of an unknown metal is at an initial temperature of 55.5oC. Afer 540 J of energy is absorbed by the metal, the t

emperature of the metal increasese to 81.75oC. What is the specific heat of the unknown metal (assume no phase change occurs)? Include units in your answer. Show work if possible.
Chemistry
1 answer:
Lunna [17]3 years ago
7 0

Answer:

Specific heat of metal = 0.26 j/g.°C

Explanation:

Given data:

Mass of sample = 80.0 g

Initial temperature = 55.5 °C

Final temperature = 81.75 °C

Amount of heat absorbed = 540 j

Specific heat of metal = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT =  81.75 °C - 55.5 °C

ΔT =  26.25 °C

540 j = 80 g × c × 26.25 °C

540 j = 2100 g.°C× c

540 j / 2100 g.°C = c

c = 0.26 j/g.°C

You might be interested in
Convert 1663.5 g to mg
WINSTONCH [101]

Answer:

It will be 1663500mg

Explanation:

4 0
3 years ago
Read 2 more answers
What is the correct name for the cyclic alkane shown on the right?
Soloha48 [4]

Answer: C

Explanation:

4 0
3 years ago
Read 2 more answers
Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at 0
ser-zykov [4K]
Shdhdhdhdhdhshshhzshshshdhdhshd
7 0
3 years ago
Name the type of chemical reaction that occurs when magnesium chloride solution reacts with sodium carbonate solution
Svetlanka [38]

Answer:

precipitation reaction

8 0
3 years ago
Read 2 more answers
What was Newtons first law of motion??
Ksivusya [100]

Answer:

Basically an object in motion or at rest will remain that way unless an outside force acts against it.

Explanation:

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is normally taken as the definition of inertia.

4 0
3 years ago
Read 2 more answers
Other questions:
  • Ap chemistry how to determine if compound is ionic or molecular bqsed on formula
    12·1 answer
  • Classify each of the following pure substances as an element or a compound. a. helium gas (He) b. mercury (Hg) in a thermometer
    9·1 answer
  • A pool is 44.6 m long and 27.6 m wide. If the average depth of water is 8.80 ft, what is the mass (in kg) of water in the pool?
    10·1 answer
  • What are the conjugate base and conjugate acid for HSO4−? What is the term used to describe species that can behave as either an
    6·1 answer
  • Two samples of carbon come into contact. Heat will transfer from Sample A to Sample B if the average kinetic energy of Sample A'
    5·2 answers
  • Atoms with a different number of protons than electrons are called:
    13·2 answers
  • The half-life of C-14 is 5470 years. If a particular archaeological sample has one-quarter of its original radioactivity remaini
    11·1 answer
  • Based on charles’s law, which of the following statements is true for an ideal has at a constant pressure and mole amount?
    8·1 answer
  • Which statement correctly describes the conductivity of the specified material?
    12·1 answer
  • What is the Bohr model of hydrogen​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!