What would be the final temperature of the system if 29.3 g of lead at 110 ◦C is dropped into 13.3 g of water at 25.1 ◦C in an insulated container? The specific heat of lead is 0.128 J/g◦C

A 1.00 g sample of MgCl2 produced a 10.00 °C increased in a calorimeter charged with 40.0mL of deionized water. The specific heat of MgCl2 is 0.750 J/°C·g. What is the value of DsH for MgCl2?

An 33.83 g sample of aluminum is placed on a 66.98 g sample of copper initially at 112.55oC. If the heat is only transferred between the metals (with no loss to the surroundings) and the final temperature of both metals is 41.61oC, what is the inital temperature (in oC) of aluminum?

What is the final temperature (in K) of 2.630 g of water with an initial temperature of 293.2 K after 14.550 J of heat has been added to it? Note that the heat capacity of water is 4.18 Jg-1K-1

What is the specific heat of a 74.01g piece of an unkown metal that exhibits a 45.2 Celcius temperature change upon absorbing 1870 J of heat?

Fifty (50.0) grams of hot water at 65.0oC is mixed with 40.0 g of cold water. The final temperature of the mixture is 45.0oC. (a) How much heat energy did the hot water lose? (b) How much heat energy did the cold water gain? (c) What was the initial temperature of the cold water?

How much heat is required to raise the temperature of 30.8 g30.8 g of water from −35 °C−35 °C to 115 °C?

A metal weighing 45.6g loses 350.6J of heat when it’s temperature is lowered from 89.2oC to 64.2o Find the specific heat capacity of the metal.

When 1 mol of CS2(l) forms from its elements at 1 atm and 25 ° C,  89.7 kJ  is absorbed, and it takes  27.7 kJ  to vaporize 1 mol of the liquid. How much heat is absorbed when 1 mol of CS2(g) forms from its elements at these conditions?

Consider a balloon filled with 2115 L of helium at 1.00 atm pressure and 45.5°C. The temperature of the balloon is decreased to 11.7°C with the pressure remaining at 1.00 atm. What is AE (in kJ) for this change? (Assume ideal conditions. The molar heat capacity for He at constant pressure, Cp, is 20.8 J/°C•mol.) -14.36 kJ 2 3 6. C 7 8 9. +/- х 100 4-