What is the specific latent heat of a 10.0mg object that transfers 740mJ during a change of state?

The specific latent heat (L) of a substance is the amount of heat energy required to change the state of a unit mass of the substance without a change in temperature. It is given by the formula:

L = Q / m

where:

• L is the specific latent heat,
• Q is the heat energy transferred,
• m is the mass of the substance.

In this case, we are given:

• Q = 740 mJ = 740 * 10^-3 J (since 1 mJ = 10^-3 J),
• m = 10.0 mg = 10.0 * 10^-6 kg (since 1 mg = 10^-6 kg).

Substituting these values into the formula, we get:

L = (740 * 10^-3) / (10.0 * 10^-6) = 74000 J/kg.

So, the specific latent heat of the object is 74000 J/kg.