CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat for a phase change of 0.1 kg with latent heat 334000 J/kg is:
A. 33402 J
B. 33399 J
C. 33400 J
D. 33401 J
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 5 kg with c=450 J/(kg·K) by 20 K is:
A. 44999 J
B. 45002 J
C. 45000 J
D. 45001 J
Correct Answer: C
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 5 kg with c=450 J/(kg·K) by 10 K is:
A. 22501 J
B. 22500 J
C. 22499 J
D. 22502 J
Correct Answer: B
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 5 kg with c=450 J/(kg·K) by 5 K is:
A. 11249 J
B. 11251 J
C. 11252 J
D. 11250 J
Correct Answer: D
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 5 kg with c=900 J/(kg·K) by 20 K is:
A. 90001 J
B. 89999 J
C. 90000 J
D. 90002 J
Correct Answer: C
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 5 kg with c=900 J/(kg·K) by 10 K is:
A. 44999 J
B. 45001 J
C. 45000 J
D. 45002 J
Correct Answer: C
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 5 kg with c=900 J/(kg·K) by 5 K is:
A. 22501 J
B. 22499 J
C. 22500 J
D. 22502 J
Correct Answer: C
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 5 kg with c=4200 J/(kg·K) by 20 K is:
A. 420000 J
B. 420002 J
C. 419999 J
D. 420001 J
Correct Answer: A
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 5 kg with c=4200 J/(kg·K) by 10 K is:
A. 209999 J
B. 210000 J
C. 210001 J
D. 210002 J
Correct Answer: B
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 5 kg with c=4200 J/(kg·K) by 5 K is:
A. 105001 J
B. 104999 J
C. 105002 J
D. 105000 J
Correct Answer: D
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 2 kg with c=450 J/(kg·K) by 20 K is:
A. 18000 J
B. 17999 J
C. 18001 J
D. 18002 J
Correct Answer: A
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 2 kg with c=450 J/(kg·K) by 10 K is:
A. 8999 J
B. 9001 J
C. 9002 J
D. 9000 J
Correct Answer: D
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 2 kg with c=450 J/(kg·K) by 5 K is:
A. 4501 J
B. 4500 J
C. 4502 J
D. 4499 J
Correct Answer: B
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 2 kg with c=900 J/(kg·K) by 20 K is:
A. 36000 J
B. 36001 J
C. 35999 J
D. 36002 J
Correct Answer: A
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 2 kg with c=900 J/(kg·K) by 10 K is:
A. 17999 J
B. 18002 J
C. 18001 J
D. 18000 J
Correct Answer: D
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 2 kg with c=900 J/(kg·K) by 5 K is:
A. 8999 J
B. 9000 J
C. 9001 J
D. 9002 J
Correct Answer: B
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 2 kg with c=4200 J/(kg·K) by 20 K is:
A. 167999 J
B. 168002 J
C. 168000 J
D. 168001 J
Correct Answer: C
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 2 kg with c=4200 J/(kg·K) by 10 K is:
A. 84002 J
B. 83999 J
C. 84000 J
D. 84001 J
Correct Answer: C
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 2 kg with c=4200 J/(kg·K) by 5 K is:
A. 41999 J
B. 42001 J
C. 42002 J
D. 42000 J
Correct Answer: D
Q=mcΔT.
CSS - PMS - CCE - PCS - Everyday Science
Heat and Thermodynamics
Heat needed to raise 1 kg with c=450 J/(kg·K) by 20 K is:
A. 9001 J
B. 9002 J
C. 8999 J
D. 9000 J
Correct Answer: D
Q=mcΔT.