Decide Whether Each of These Statements Is True (T) or False

question 3

Multiple Choice

Decide whether each of these statements is True (T) or False
The specific heat capacity of water is 4200 J kg-1 K-1 and the specific latent heat of vaporisation of water at
100ºC is 335 kJ/kg.
(i) It takes more heat to vaporise 1 kg of water at 100ºC than to heat it from 0ºC to 100ºC.
(ii) To take 1 kg of water from liquid at 0ºC to vapour at 100ºC requires 339.2 kJ.

• A) (i) T (ii) T
• B) (i) T (ii) F
• C) (i) F (ii) T
• D) (i) F (ii) F

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Definitions:

Disequilibrium

A situation in a market where supply does not equal demand, leading to a temporary imbalance and potential for price changes.

Incentive

A factor, either monetary or non-monetary, that motivates individuals or entities to perform an action or engage in a certain behavior.

Long Run

A period of time in economics sufficient for all markets to adjust to changes, including those of supply and demand.

Economic Profits

The total revenue of a business minus its explicit and implicit costs; a measure of incremental gain over the total costs, including opportunity costs.