1. A 400.0 g sample of methanol at 16.0ºC is mixed with 400.0 g of water at 85.0ºC. Assuming no heat loss to the surroundings, what is the final temperature of the mixture? The specific heat of methanol is 2450 J/kg•ºC. 2. A 100.0 g brass block at 100.0ºC is placed in 200.0 g of water at 20.0ºC. The specific heat of brass is 376 J/kg•ºC. Assuming no heat loss to the surroundings, what is the final temperature of the mixture?

Q: 5. A 60.0 g sample of H20 at 275 K is mixed with a 20.0 g sample of H2O at 320 K. Calculate the…

A: Since there is no heat lost in the surroundings. Hence we can say the lost by warm water is being…

Q: the 10.0 g sample of metal is heated to 100.0 degrees celsius and then added to 20.0 g of water at…

A: The relationship between heat , specific heat capacity and change in temperature is given by the…

Q: A sample of lead is heated to 189.4oC.  It is then placed in a cup containing 32.8 g water at…

A: The relationship between heat , specific heat capacity and change in temperature is given by the…

Q: 1. A piece of titanium metal (mass 452.398 g) is placed in boiling water (100.00 °C). After 20…

A: (1) When the Titanium metal is placed in boiling water, it comes to the thermal equilibrium with the…

Q: If 500 grams of solid iron (Fe) at 100oC is placed in a calorimeter filled with 1000.0 grams of…

A: Given that: Mass of iron (Fe) = 500g Initial Temperature of Fe = 100°C Mass of water = 1000g Initial…

Q: When 25.0 mL of 1.00 M sodium hydroxide, NaOH (aq) is added to 25.0 mL of 1.00 M sulfuric acid,…

A: Word equation for the given titration reaction is Sulfuric acid + sodium hydroxide ----> sodium…

Q: Consider an aqueous reaction of equal volumes of 2.0 M HCl and 2.0 M NaOH, with a final volume of…

A: Given information,    Final volume of solution = 100 mL    Temperature change= 2.5 deg C    Specific…

Q: A 7.50-g sample of aluminum pellets (specific heat capacity = 0.89 J/°C-g) and a 12.00-g sample of…

A: The objective of the question is to determine the final temperature.It is given that,The mass of…

Q: A common laboratory reaction is the neutralization of an acid with a base. When 40.3 mL of 0.500 M…

A: The volume of HCl = 40.3 mL OR 0.0403 L The molarity of HCl = 0.5 M The volume of NaOH = 75 mL or…

Q: The specific heat capacities of copper, gold, and cobalt are given. Based on this information, which…

A: Specific heat capacity means the amount of heat required to raise the temperature of 1 gram of a…

Q: If 40.0 g of hot water at 80.0oC is added to 60.0 g of cold water at 20.0oC, what is the final…

A: The final temperature is 44 oC

Q: A hot 104.4 g lump of an unknown substance initially at Substance Specific heat (J/(g•°C)) 173.7 °C…

A: Given : Volume of water = 35.0 g Mass of metal = 104.4 g Initial temperature of water = 25.0 oC…

Q: A calorimeter contains 130 g water. The calorimeter and the water inside are both at 26 °C. A piece…

A: Specific heat capacity of metal can be determined by calculating the heat loss by metal which is…

Q: When a 4.26 g sample of liquid octane (C8H18) is burned in a bomb calorimeter, the temperature of…

A: Given : Mass of octane reacted = 4.26 g Change in temperature of calorimeter and water = 26.7 oC…

Q: 6. The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the…

A:

Q: a) We place 125.0 g of a metal at 5.00°C in 350.0 g of water at 100.00°C. The water is in a beaker…

A: Problem a) CalorimetryUnderstanding the ProblemA hot metal is placed in cold water in a beaker.We…

Q: A common laboratory reaction is the neutralization of an acid with a base. When 50.0 mL of 0.100 M…

A:

Q: A 3.96 g sample of carbon is introduced into the combustion chamber of a calorimeter containing…

A: A numerical problem based on heat released, which is to be accomplished.

Q: A 8.50-g sample of aluminum pellets (specific heat capacity=0.89 C-g) and a 22.50-g sample of iron…

A: we have to calculate the final temperature

Q: Consider a substance with a heat of solution (AHon) of -16.7 kJ/mol. 0.00100 mol of this substance…

A: The amount of heat released on dissolution of one mole of the solute in water is equal to 16700 J…

Q: A calorimeter contains 140 g water. The calorimeter and the water inside are both at 24 °C. A piece…

A: Please find the answer attached

Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: The enthalpy of solution of KOH is -57.6kj/mol.  If 1.11g KOH is dissolved in enough water to make…

A: To solve this problem we will use the formula   Q = m• c • ∆T  Where,  Q = heat abosbed or released…

Q: The combustion of 2.067 g of propanol (C, H,OH) increases the temperature of a bomb calorimeter from…

A: Given : Mass of C3H7OH combusted = 2.067 g Initial temperature of calorimeter = 298.00 K Final…

Q: A piece of iron (mass = 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: Given,Mass of iron (m1) = 25 gInitial temperature of iron (Ti) = 398 KSpecific heat capacity of iron…

Q: When a 45.0 g sample of an alloy at 100.0 °C is dropped into 100.0 g of water at 25.0 °C, the final…

A:

Q: A hot 111.6 g lump of an unknown substance initially at Substance Specific heat (J/(g.°C)) 150.0 °C…

A: By help of Following formula we can calculate the specific heat of the unknown Substance -   M1 C1…

Q: 25.0 mL of 1.00 M HCl at 24.3°C react with 25.0 mL 1.00 M NAOH in a styrofoam calorimeter whose…

A: Using the energy conservation , in calorimeter  heat given in the reaction of neutralisation =heat…

Q: A 140.0-g sample of water at 25.0°C is mixed with 101.1 g of a certain metal at 100.0°C. After…

A: Specific heat capacity of an element or a compound is equal to the amount of heat released or…

Q: p0 M solution of HCl in a coffee-cu the temperature rises from 21.80 suming the density and specific…

A: mol of AgNO3(n) = M × V(L)     = 0.30 × 0.10 = 0.030 mol Mol of HCl(n) = 0.30 × 0.10    = 0.030 mol…

Q: A calorimeter contains 140 g water. The calorimeter and the water inside are both at 24 °C. A piece…

A:

Q: If 50.0 g H2O at 13.6 °C is combined with 244 g H2O at 93.7 °C, what is the final temperature of the…

A:

Q: In an experiment, 138 g of graphite is heated to 90.0°C and then quickly transferred to 150.0 g of…

A: The heat released by graphite (q1) is determined using equation (1) as follows:

Q: 40.0 g of an unknown metal at 100.0°C is added to 50.0 g of water at 30.0°C. When the system reaches…

A: Mass of metal = 40.0 g Mass of water = 50.0 g