Iced tea is made by adding ice to 3.0 kg of hot tea, initially at 80°C. How many kg of ice, initially at 0°C, are required to bring the mixture to 10°C? (Lf = 3.33 x 105 J/kg, cw = 4186 J/kg•°C)

a. 2.8 kg
c. 1.4 kg
b. 1.6 kg
d. 2.3 kg


D

Physics & Space Science

You might also like to view...

In the chrome plating of steel automotive parts, it is found that it is possible to have a high-quality coating with a current density of 0.4 A/cm 2 by heating the chromic acid solution to 65°C and using a chrome anode.

Physics & Space Science

The symbol indicating the number of protons in a nucleus is __________

Fill in the blank(s) with correct word

Physics & Space Science

If body M, with a positive charge, is used to charge body N by induction, what will be the nature of the charge left on the latter?

a. must be equal in magnitude to that on M b. must be negative c. must be positive d. must be greater in magnitude than that on M

Physics & Space Science

What is the least value for an index of refraction?

A. 0 B. 0.5 C. 1 D. just less than 1 E. (1/2)1/2

Physics & Space Science