orlandoneymar48 orlandoneymar48
  • 22-11-2020
  • Chemistry
contestada

how many joules are needed to warm 25.5 grams of water from 14.0°C to 22.5°C? the heat capacity of liquid water is 4.184J/g°C​

Respuesta :

Neetoo
Neetoo Neetoo
  • 23-11-2020

Answer:

Q = 906.882 J

Explanation:

Given data:

Mass of water = 25.5 g

Initial temperature = 14.0 °C

Final temperature = 22.5 °C

Specific heat capacity of water = 4.184 J/g.°C

Solution:

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 = 22.5 °C - 14.0 °C

ΔT = 8.5 °C

Q = 25.5 g × 4.184 J/g.°C ×  8.5 °C

Q = 906.882 J

Answer Link

Otras preguntas

whats the answer to 9/16 + 1/2
An incandescent lamp is operated at 120 V, and the current is 0.5 A. So, the resistance of the lamp is:
40,619 in expanded form
Which of the following is the science of naming and classifying living things? a. species b. classification c. Eukarya d. taxonomy
Which of the following is the best example of a check on presidential power
how do we know that Otzi the Iceman was civilized and intelligent?
Which country was NOT part of the Allied Powers during World War I? a. Austria-Hungary b. Serbia c. Great Britain d. France
(3x10)x8=___x(10x8) complete equation and tell which properties were used
An object pronoun takes the place of a/an _______ in the object part of a sentence.      A. adjectiveB. nounC. different pronounD. verb
is 3/12 a rational number.