Respuesta :

Answer: Final temperature for given mass of water is [tex]24.6^o C[/tex].

Explanation:

Given: mass = 630.1 g, specific heat = 418 [tex]J/g^{o} C[/tex], q = 950 J, T = [tex]24.2^o C[/tex]

Formula used:  [tex]q = mC \Delta T[/tex]

where, q = heat energy

            m = mass

            C = specific heat

            [tex]\Delta T[/tex] = change in temperature = [tex](T_2 - T_1)[/tex]

  950 J = [tex]630.1 g \times 4.18 J/g^o C \times (T_2 - 24.2^o)[/tex]

          [tex]T_2 = 24.6^o C[/tex]

Neetoo

Answer:

T2 = 24.56°C

Explanation:

Given data:

Mass of water = 630.1 g

Specific heat of water = 4.18 J/g.°C

Initial temperature = 24.2°C

Heat absorbed = 950 J

Final temperature = ?

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

by putting values

950 J = 630.1 g × 4.18 J/g.°C ×  (T2 - 24.2°C)

950 J = 2633.82 j/°C ×  (T2 - 24.2°C)

950 J / 2633.82 j/°C =  (T2 - 24.2°C)

0.36°C  + 24.2°C = T2

T2 = 24.56°C