1. 50.0 g of iron (0.449 J/g°C) at 225 °C and 50 g of gold (0.128 J/g*C) at 25 °C are brought into contact with one another. Assuming that no heat is lost to the surroundings, what will be the final temperature of the two metals?

Q: What is the specific heat in J/g°C for a metal sample with a mass of 95.6 g which absorbs 841 J of…

A: Heat, q = mass x specific heat x change in temperature.

Q: How many milliliters of water at 21 °C with a density of 1.00 g/mL must be mixed with 220 mL of…

A:

Q: A cube of brass, 2 cm on a side is heated until the temperature of the brass is 75°C. The cube is…

A: Given: Side of cube = 2 cm Volume of water = 100 mL Initial temperature of water = 23 oC And the…

Q: What is the final temperature when 77.4 g of water at 72.7°C is mixed with 28.1 g of water at…

A: Given: Mass of water at 72.7°C= 77.4 g Mass of water at 32.7°C= 28.1 g

Q: A calorimeter contained 65.0 g of water at 16.71°C. A 108-g sample of iron at 64.48°C was placed in…

A:

Q: In a coffee cup calorimeter, 15.0 g sample of nickel metal is heated to exactly100 °C and dropped…

A:

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A: The heat transferred by a substance is determined as the equation:

Q: A coffee cup calorimeter, including that water it contains, has a heat capacity of 425 J/K, and is…

A:

Q: 151.0-g sample of a metal at 75.0°C is added to 151.0 g H20  at 14.2°C. The temperature of the water…

A: Solution:     Specific heat is defined as the amount of heat required to raise the temperature of a…

Q: A piece of metal weighing 57.3 g is heated to a temperature of 88.0°C and is then immersed in 155 g…

A: Since, heat energy = m.s.∆T        where m = mass                 s   = specific heat capacity…

Q: A student conducts a calorimetry experiment on an unknown metal object. The unknown metal object…

A: Given : The total amount of heat absorbed by the water = 2310 J Mass of metal = 82.522 g Initial…

Q: A 4.81 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given, Mass of unknown sample ,ms=4.81 g  mass of water, mw= 150 g initial temperature Ti=23.72°C…

Q: The temperature of an object increases by 39.4 °C when it absorbs 3715 J of heat. Calculate the heat…

A: Given, Mass of the object (m) = 393 g Change in temperature (∆T) = 39.4 °C  Heat absorbed (Q) = 3715…

Q: A student mixes 67.0 mL of a 2.01 M sodium hydroxide solution with 22.4 mL of 6.45 M hydrochloric g…

A:

Q: În the laboratory a student finds that it takes 21.8 Joules to increase the temperature of 13.1…

A:

Q: When 12.29 g of finely divided brass at 95.0 °C is quickly stirred into 40.00 g of water at 22.0 °C,…

A: Given, Mass of brass= 12.29 g Temperature = 95.0°C Mass of water = 40.00 g the temperature of water…

Q: The temperature of the solution increases from 21.3 °C to 38.2 °C. 0.468 g Mg reacting0.0193 mol Mg…

A: The objective of the question is to calculate the quantity of heat released in a chemical reaction.…

Q: If 30.5 g of LiBr are dissolved 350.0 g of water at 20.0 °C in an insulated container, a temperature…

A: The mass of LiBr = 30.5 g The mass of water = 350.0 g The temperature of water = 20.0 °C ΔH of…

Q: A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc metal at…

A: Given, A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc…