violetunicorn11243
violetunicorn11243 violetunicorn11243
  • 23-02-2022
  • Chemistry
contestada

It takes 78.2 J of energy to raise the temperature of 45.6g of lead by 13 degrees celsius. What is the specific heat of lead?

Pls Help!!!! ​

Respuesta :

TheDoctorOfStone
TheDoctorOfStone TheDoctorOfStone
  • 23-02-2022

Answer:

Q = mcΔt but this time rearrange to find for c

Explanation:

Q or energy = 78.2J

mass of lead  =  45.6g

Specific heat capacity of lead = ????

Δt = 13°C

Q = mcΔt

Rearrange the equation to find for c

c = Q / m x Δt

c = (78.2) / (45.6) x (13)

c ≈ 0.132 J °C

Answer Link

Otras preguntas

how to evaluate t- u/v when t = -1, u= -3 and v= 1/2
What is the difference between a tax credit and a tax deduction?
Cells responsible for body movement are _____ cells.j
An advantage of treadmills and stair steppers is that they are designed for one adult regardless of weight. Please select the best answer from the choices provi
Which of the following headings should be included in your résumé? a. objective b. work experience c. qualifications d. all of the above
Is the following sentence a statement or not a statement? 7 X 6 = 42 It is a statement. It is not a statement. cannot tell
Which object had the greatest flexibility
Cells responsible for body movement are _____ cells.j
The * key is used for _____.
A firecracker shoots up from a hill 150 feet high, with an initial speed of 110 feet per second. Using the formula H(t) = −16t2 + vt + s, approximately how long