qmetal = -1710 J and qH2O = 1430 J.  ΔTH2O = 10.1 oC.  Calculate the calorimeter constant, Ccal in J/oC. Keep three sig figs in your answer.

Q: A 45.90 g sample of pure copper is heated in a test tube to 99.40°C. The copper sample is then…

A: We have 45.9 g of Cu metal at 99.4°C, also, 61.04 g of water , temperature of calorimeter…

Q: A certain chemical reaction releases 111.kJ of heat energy per mole of reactant consumed. Suppose…

A: Heat capacity of calorimeter: Ccal = 4.45 J / 1oC = 4.45 J/oC   Heat of calorimeter: q cal  = C cal…

Q: A chemical reaction in a bomb calorimeter evolves 5.17 kJ of heat. If the heat capacity of the…

A: Given, the heat evolved, q = 5.17 kJ Heat capacity, c = 1.08 kJ/°C Temperature, ΔT = ? The formula…

Q: A 32.5 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C·mol) is heated to 82.4°C…

A: Given : mass of Al = 32.5 g molar heat capacity of Al = 24.03 J/°C·mol initial temperature of Al =…

Q: 5. Calculate the approximate final temperature of water in a coffee cup calorimeter if 33.9 kJ of…

A: Use calorimetry principle to get answer Heat flow from high temperature to low temperature. Heat=…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 198.0 mg sample…

A: Each chemical reaction is associated with the liberation or intake of a certain quantity of heat.…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.25 kg sample…

A:

Q: A 52.75 gram sample of iron (with a heat capacity of 0.450 J/g ºC) is heated to 100.0 ºC.

A: Calculating heat of water: Mass of water (m) = 46.64g Specific heat of water (s) = 4.184 J/g°C…

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

A:

Q: 5.04 x 10-3 mole of a compound is added to 41.0 g of water in a styrofoam cup and stirred until it…

A: Given,Mass of water = 41.0g.Temperature change = 23.4600C – 23.4200C…

Q: A 50.0 g sample of unknown metal at 230.0°C is placed in a calorimeter containing 110 g of water at…

A: Heat capacity of calorimeter= 8.2J/g-°cTemperature difference ∆T = 19.3  - 15 = 4.3 °c

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: 1. In an experiment to determine the Specific Heat of Nickel, a 66.0 g sample of Nickel metal is…

A: Answer :-  The specific heat of Nickel determined by the experiment = 0.544 J/g.°C…

Q: Camphor has a heat of combustion of -5903.6 kJ/mol. A 0.7610 g sample of camphor was burned in a…

A: Molar mass of camphor = 152.23 gm/mol Moles of camphor = Weight /molar mass…

Q: The heat of combustion of methanol is -715 kJ/mol.  When 0.07 mol of methanol are burned in a bomb…

A: Use formula =Q= nc∆T  C= 1174.055kj/kg

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.29 kg sample…

A: 0.45 or 4.49 * 10-1 J/g K

Q: 112. The thermochemical equation for the combustion of methanol is CH3OH (g) + 3/2 O2(g) → CO2(g)…

A: The chemical reaction of the combustion of methanol is CH3OH (g) + 3/2 O2(g) → CO2(g) + 2 H2O(l) ΔH…

Q: A 6.55 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: The total mass of a solution is the summation of the mass of solute and the mass of solvent. The…

Q: An 84.01 g sample of water at 88.2 °C is mixed in a calorimeter with 43.6 g of water at 23.4 °C.…

A:

Q: A 9.13-g sample of vanadium is heated to 99.10 °C and is then placed into 20.0 g water in a…

A:

Q: When 40 mL of 1.0 M HCl was mixed with 50 mL of 1.5 M NaOH in a coffee cup calorimeter, the…

A:

Q: 150.0 mL of dilute hydrochloric acid is placed in a coffee cup calorimeter. The initial temperature…

A: In the given question we have to calculate the final temperature of the solution, First of all, we…

Q: A 138.9 g sample of an unknown metal at a temperature of 99.1 °C is added to 44.72 g of water at a…

A: Q = mC∆T

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 286.0 g sample…

A:

Q: A 88.8 g piece of aluminum (which has a molar heat capacity of 24.03 J/°C·mol) is heated to 82.4°C…

A: Mass of water is calculated as follows

Q: Use the following information to answer Questions 6-9: A sample of NH4NO3 with a mass of 5.0 g is…

A: When change in enthalpy is negative then reaction is exothermic and when change in enthalpy is…

Q: 2. A piece of Cu metal is heated in a test until the temperature reaches 96 °C and dropped into a…

A: 2. A piece of hot Cu metal at 96 °C is dropped into a calorimeter, containing 50 mL of water at 27…

Q: A metal with a specific heat of 0.899 J/g oC had an initial temperature of 76.67 oC. When it was…

A: The heat transferred during the reaction can be determined from the given equation. The temperature…

Q: A sample of aluminum, initially at 5.0 °C, was placed in 18.0 g of water, initially at 25.0 °C. The…

A: We have given that  A sample of aluminum, initially at 5.0 °C, was placed in 18.0 g of water,…