Question

Calculate the amount of energy absorbed when 75g ice at -4C melts to 31 which one _______________.

a. 35,505 J
b. 24,453 J
c. 25,437 J
d. None

Answer 1

The amount of energy absorbed when 75g of ice at -4°C melts can be calculated using the formula Q = m * c * ΔT, where Q is the amount of energy absorbed, m is the mass of the substance, c is the specific heat capacity, and ΔT is the change in temperature.

Step-by-step explanation:

The amount of energy absorbed when 75g of ice at -4°C melts to water at 31°C can be calculated using the formula:

Q = m * c * ΔT

Where:

• Q is the amount of energy absorbed
• m is the mass of the substance (75g)
• c is the specific heat capacity of the substance (4.18 J/g°C for water)
• ΔT is the change in temperature (31 - (-4) = 35°C)

Substituting the values into the formula, we get:

Q = 75g * 4.18 J/g°C * 35°C = 10,982.5 J

Therefore, the amount of energy absorbed is approximately 10,982.5 J. None of the given options (a, b, c, d) match this value.