0.8 kg of lead at 90 °C are poured into certain amount of water at 13 °C. It is observed that the maximum temperature reached is 14.3 °C. Calculate the mass of water. (specific heat capacity of lead is 130 J kg °C)

Q: How much heat is required to raise the temperature of a 1.15 kg piece of copper metal from 25.0 °C…

A: Given :-  Mass of Copper metal = m = 1.15 kg = 1150 g  Initial temperature of Copper metal = Ti =…

Q: A 237-g piece of aluminum, initially at 100.0 °C, is dropped into 244 g of water at 10.0 °C. When…

A: The specific heat capacity for a given chemical substance or a solution has been defined as the…

Q: Which statement below regarding heat capacity is FALSE? a. Specific heat capacity refers to the…

A: Specific heat capacity:Specific heat capacity is the amount of heat energy required to raise the…

Q: A piece of chromium metal with a mass of 24.41 g is heated in boiling water to 98.3 °C and then…

A: Specific heat- It is the amount of heat required to raise the temperature of 1g of substance by 10…

Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A:

Q: A sample of bismuth undergoes a temperature change of +77.24 °C while absorbing 754.5 joules of…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: A piece of hot silicon at 92.8°C weighing 78.3 g is dropped into a coffee cup calorimeter, which…

A: The heat gain will be equal to the heat lost. Qgain=-Qlost The change in heat can be calculated by…

Q: A 30.5-g sample of an alloy at 93.0oC is placed into 50.0 g of water at 22.0oC in an insulated…

A: Given that, Mass of alloy, Malloy = 30.5 g = 0.0305 Kg Initial temperature of alloy, Tinitial-alloy…

Q: How much heat (in kJ) is needed to raise the temperature of 100.0 grams of water by 25.0 °C?  The…

A: Mass of water(m) = 100 gm  specific heat capacity of water(s) = 4.184 J/g·°C  Increase in…

Q: Define the term Heat Capacity?

A: Concept introduction: Heat is arises by difference in the temperature of an object and it is also a…

Q: The same quantity of energy is added to 25.0 g pieces of gold ( molar heat capacity y = 25.41 J/ mol…

A: Given data,Mass of Au=Mg=Pt=25.0gCAu=25.41J/moloCCMg=24.79J/moloCCPt=25.95J/moloC

Q: A piece of chromium metal with a mass of 24.55 g is heated in boiling water to 98.3 °C and then…

A: Here we are required to find the specific heat capacity of Chromium

Q: It takes 585 J of energy to raise the temperature of 125.6 g of mercury from 20.0°C to 53.5°C.…

A: Given, Heat energy, q = 585 J Mass, m = 125.6g Change in temperature, ∆T = 53.5- 20 = 33.5°C

Q: A 800 mg sample of magnesium was burned in an oxygen bomb calorimeter. The total heat capacity of…

A: Given,  Mass of Mg = 800 mg  Total heat capacity = 5760 J/K  Enthalpy of combustion of Mg = -602.0…

Q: Consider the reaction: C,H,OH) + 30, (g) →2CO,(g)+3H,01), AH = -1.37 x 10° kJ When a 21.1-g sample…

A:

Q: How much heat (q) is needed to increased the temperature of 10 grams of water by 15°C? Water…

A: Given: The heat capacity of water, (C) = 4.184 J/g°C The mass of water, (m) = 10 g. The change in…

Q: A sample of nickel is heated to 99.8°C and placed in a coffee-cup calorimeter containing 150.0 g…

A: The equation used to calculate heat released or absorbed follows:        ......(1) where, q = heat…

Q: calculate the amount of heat (in J) necessary to raise the temperature of 23.9 g benzene by 27.0 °C.…

A:

Q: mass

A:

Q: 2. An aluminum container with specific heat capacity of 0.880 J/g"C contains waxwith specific heat…

A: Please find the attached images for the answer I am giving the answer for question number 2 only.

Q: A 1.99 g sample of a soluble salt dissolves in 23.8 mL of water in a coffee cup calorimeter.  When…

A: Given, mass of sample of salt m = 1.99 g increase in temperature = 24.3 °C specific heat of solution…

Q: A sample of tin experiences a cemperature change of +60.8 PC while absorbing 672.1 joules of heat.…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: A piece of aluminum (which has a specific capacity of 0.891 J/"C-g} is heated to 82.4°C and dropped…

A: It is given that aluminium has an initial temperature of 82.4°C and is dropped in 76.1 g of water…

Q: Calculate the heat capacity (in J/C) of 20.0 mL of room temp. water given that the specific heat…

A: Heat capacity of a material for a particular mass = Specific heat capacity  mass of the material

Q: When 1612 J of heat energy is added to 37.9 g of hexane, C,H14, the temperature increases by 18.8…

A: Heat added to any system is given by  Q = mCΔT  where m = mass = 37.9 g C = specific heat capacity…

Q: The molar heat capacity of silver is 25.35 J/mol Celcius. How much energy would it take to raise the…

A: The relationship between heat required and specific heat of a substance is given below.

Q: 1. What and expound the First law of Thermodynamics? 2. Define in your own words A. Specific heat B.…

A: What is first law of thermodynamic, explanation is given below.

Q: Suppose two 45-g ice cubes are added to a glass containing 500 cm3 of cola at 20,0°C. When thermal…

A: · Two 45 grams of ice cubes are added to a glass containing 500 cm3 of cola at 20.0°C· When thermal…

Q: How much energy is required to change the temperature of 21.5 g Cu from 27.0 °C to 88.1 °C? The…

A: The weight of copper is 21.5 g. The given temperature values are 27.0 ˚C and 88.1 ˚C. The constant…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.51 kg sample…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.54 kg sample…

A:

Q: The molar heat capacity of silver is 25.35 J/mol⋅∘C. How much energy would it take to raise the…

A: Given:Molar heat capacity of silver = 25.35 J/mol⋅∘C.Mass of silver = 11.8 g.Change in temperature…

Q: A 237-g piece of iron, initially at 100.0 °C, is dropped into 244 g of water at 10.0 °C. When the…

A: The amount of heat required to increase the 1oC temperature of 1 g metal is known as the specific…

Q: What is the change in molar enthalpy of N, when it is heated from 25°C to 100°C? Use the heat…

A:

Q: Explain the difference between heat capacity and specific heat capacity.

A: The heat capacity of any substance is the amount of heat that is required to increase the…

Q: A 2.50 g sample of powdered zinc is added to 100.0 mL of a 2.00 M aqueous solution of hydrobromic…

A: According to law of calorimetry, heat released by a hot body or exothermic reaction is equal to heat…

Q: The Heat Capacity of Mercury is 0.14 J/g °C. What is the Molar Heat Capacity? J/mol °C

A:

Q: A blacksmith drops a 1.5 kg piece of iron heated to 525 degrees celcius into 2 kg of water at 15…

A:

Q: According to the First Law of Thermodynamics, a system which absorbs 40 J of heat and produces 20 J…

A:

Q: Iron has a molar heat capacity of 25.1 J/mol oC. What is the change in heat (q) if a 20.0g piece of…

A: molar heat capacity of iron=25.1 J/mol °c Mass of iron = m = 20.0 g Temperature change (∆T) = 80 °c…

Q: A piece of titanium metal with a mass of 21.6 g is heated in boiling water to 99.5 °C and then…

A: Since the titanium metal is at a higher temperature, it will lose heat, and water inside the…

Q: Instant cold packs used to treat athletic injuries contain solid NH, NO3 and a pouch of water. When…

A: Given that -  Heat released during dissolution of solid ammonium nitrate in water  = +25.7 kJ =…

Q: A metal cools from an initial temperature of 150 degrees C to 50 degrees C and releases 190 J of…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: 5. A piece of copper metal of mass 6.5 kg is heated from 20.5ºC to 324.3°C. Calculate the heat…

A: The amount of heat absorbed by the piece of metal can be calculated as follows:

Q: 50.0 g sample of copper is at 25 °C. If 1200 J of energy is added to the copper by heat, what is its…

A:

Q: The specific heat capacity of copper is 0.384 J/g⋅°C. What is the molar specific heat capacity of…

A:

Q: A 151.6-g sample of a metal at 74.7°C is added to 151.6 g  at 15.9°C. The temperature of the water…

A: Since Q = mCΔT  where Q = heat  m = mass  C = specific heat  ΔT = change in temperature = final…

Q: Which of the following best defines molar heat capacity. a. The quantity of heat required to raise…

A: heat capacity is the property of matter which is the amount of heat required to raise the unit…

Q: An unknown sample of coal is burned in an apparatus with a calorimeter constant of 0.75 kJ/°C. When…

A: Given:  Calorimeter constant(C)= 0.75 KJ/°C  Mass of sample(m) = 0.412 gm  Increase in temperature…