Find the Final Equilibrium Temperature When 20

question 25

Multiple Choice

Find the final equilibrium temperature when 20.0 g of milk at 10.0°C is added to 160 g of coffee at 90.0°C.(Assume the specific heats of coffee and milk are the same as water and neglect the heat capacity of the container,and c_water = 1.00 cal/g·°C = 4186 J/kg·°C)

• A) 85.3°C
• B) 81.1°C
• C) 71.4°C
• D) 66.7°C

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Definitions:

Confidence

In statistical inference, the degree of certainty or probability that a parameter lies within a specified range.

Population Mean

The average value of a set of characteristics in the entire population, calculated by summing all values and dividing by the number of observations in the population.

Normal Population

A population that follows a normal distribution, characterized by a bell-shaped curve.

Confidence Interval

A spectrum of values obtained from sampled data that is probable to encompass the value of a yet-to-be-determined population parameter.