A 47 gg piece of ice at 0.0 ∘C∘C is added to a sample of water at 7.0 ∘C∘C. All of the ice melts and the temperature of the water decreases to 0.0 ∘C∘C. How many grams of water were in the sample? Express your answer to two significant figures and include the appropriate units.

Q: A 10.0 kg sample of water is used to cool a hot engine. How much heat is removed from the engine if…

A: Molar heat capacity (Cp) :-  The amount of heat required to rise the temperature of one mole of a…

Q: A 12.3 g chunk of metal is heated up to 95°C and  dropped into an insulated vessel containing 157 g…

A: The question is based on the concept of law of conservation of energy . whatever heat lost by the…

Q: Calculate the amount of heat needed to boil 149.g of ethanol ( CH3CH2OH ), beginning from a…

A: Given:Mass of ethanol=149.gTemperature=-89.9oC

Q: • If you boil water on a stove, the temperature of the water will remain close to 100 °C. As long as…

A: Boiling point is defined as the temperature at which a substance changes from liquid phase to gas…

Q: e final temperature of th

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Q: A beaker contained 76.4 g of water at 18.97°C. A 85.48-g sample of metal at 51.36°C was placed in…

A: Given that Mass of water = 76.4 g Mass of metal = 85.48 g Initial temperature of water = 18.97°C…

Q: 1.900 x 106 J of heat is added to a cylinder of aluminum (radius 5.000 cm, length 10.00 cm) at room…

A: Explanation to the correct answer is given below

Q: 5.0 g of cream at 23.3 °C are added to an insulated cup containing 150.0 g of coffee at 84.7 °C.…

A: Given: Mass of cream= 5.0 g The temperature of cream = 23.3°CMass of coffee=150.0 g The temperature…

Q: Consider these reactions, where M represents a generic metal. 2 M(s) + 6HCl(aq) - > 2 MC13(aq) + 3…

A: According to the question, The given reactions are, eq-1   2Ms+6HClaq→ 2MCl3aq+3H2g          ∆H =…

Q: Four ice cubes at exactly 0°C with a total mass of 51.0 g are combined with 120 g of water at 85 °C…

A: Here we are required to find the final temperature when 4 ice cubes is combined with 120 gm of…

Q: t takes 52.0 J to raise the temperature of an 9.00 g piece of unknown metal from 13.0∘C to 25.0 ∘C.…

A: According to the question we have, The heat required to raise the temperature of the metal is given…

Q: Water, with mass of 339.83 grams at 26.45 degrees celsius, is heated at constant pressure. The water…

A: Given: Mass of water = 339.83 g Initial temperature = 26.45 °C        Or initial temperature =…

Q: Suppose a 1-m^3 sample of air at sea-level pressure, containing 7g of water vapor, was cooled and…

A:

Q: Water's heat of fusion is 80. cal/g , and its specific heat is 1.0 cal/g⋅∘C .Some velomobile seats…

A: Heat is consumed to convert frozen water to liquid water. The amount of heat consumed is the heat of…

Q: 10.0 g of cream at 10.1 °C are added to an insulated cup containing 150.0 g of coffee at 76.1 °C.…

A: The objective of this question is to calculate the equilibrium temperature of the coffee when cream…

Q: 5.0 g of cream at 10.1 °C are added to an insulated cup containing 100.0 g of coffee at 83.3 °C.…

A:

Q: The ionic salt KBr is dissolved in water, much like the experiments given in the simulation. A mass…

A: The heat energy produced by the potassium bromide solution is calculated as

Q: A 7.02 kg piece of copper metal is heated from 21.5 °C to 338.3 °C. Calculate the heat absorbed (in…

A:

Q: 11.0 g of cream at 16.1 °C are added to an insulated cup containing 100.0 g of coffee at 85.3 °C.…

A: Equilibrium temperature of coffee is approx 78.4 °C

Q: Calculate the amount of heat needed to boil 80.0g of hexane (C6H14), beginning from a temperature of…

A:

Q: A beaker contained 70.57 g of water at 18.04°C. A 84.49-g sample of metal at 75.65°C was placed in…

A:

Q: A sample of liquid water is heated with an electrical coil. If 752 J is added to a 11.6-gram sample…

A:

Q: A 127 gg piece of metal is heated to 2.80×102 ∘C∘C and dropped into 83.5 gg of water at 26.0 ∘C∘C.…

A: In case of mixing hot metal with water, the heat lost by metal is equal to the heat gain by the…

Q: What is the minimum amount of energy required to heat 145 grams of water to the boiling point of…

A: Mass of water = 145 g Given temperature of water (m) = 87°C The specific heat of water (C) is 4.18…

Q: A beaker contained 66.1 g of water at 11.36°C. A 81.45-g sample of metal at 59.04°C was placed in…

A:

Q: A 4.24-g sample of octane is burned in a bomb calorimeter containing 2.00 x 10^2 g H2O. How much…

A:

Q: A drop of water with a mass of 0.48 g is vaporized at 100 ∘C and condenses on the surface of a 55-g…

A:

Q: The temperature of a sample of copper increased by 24.7 °C when 257 J of heat was applied. What is…

A: • The values provided in the question are:-  i) Temperature change of a sample of copper, ∆T = 24.7…

Q: Assuming that Coca-Cola has the same specific heat as water [4.18 J/(g C)], calculate the amount of…

A: Given: Mass = 350g Temperature (initial) =  300C Final temperature = 90 C

Q: kJ of heat is required to convert 22.676 g of liquid 2-propanol, C3H7OH, at 11.4 °C to gaseous…

A: The mass of the 2-propanol sample is = 22.676 g The initial temperature of the 2-propanol is =…

Q: A(n) 8.96 mL sample of water is cooled from 38.0°C to 12.8°C. How many joules of energy are absorbed…

A: Given that a 8.96 m L of a sample of water is cooled from 38 degree Celsius to 12.8 degree Celsius.…

Q: 90.0 g of water at 15.0 ∘C

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Q: You are making homemade ice cream and can use either 200 g Ice Melt (CaCl2) or 200 g rock salt…

A: Lowering of freezing point can be understood with the relation, ∆Tf=iKfCm Using the values provided…

Q: If you combine 310.0 mL of water at 25.00 °C and 140.0 mL of water at 95.00 °C, what is the final…

A: Given :-  First volume = 310.0 mL  First Temperature = 25.00°C  Second volume  = 140.0 mL  Second…

Q: A foundry worker places a 5.76 kg sheet of nickel at a temperature of 18°C on top of a 16.6 kg sheet…

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of the…

Q: If you combine 370.0 mL of water at 25.00 °C and 130.0 mL of water at 95.00 °C, what is the final…

A:

Q: How much heat must a 22.0 g sample of water absorb to raise its temperature from 21.0 ∘C to 75.0 ∘C?

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: 4. You tried to read the thermometer when your solution containing the unknown began to freeze but…

A: When you remelted the solidifying mass, you observed a lower freezing point for the…

Q: You mix 13 mL of 1.6 M nitric acid with 78 mL of 0.50 M potassium hydroxide. By how much does the…

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Q: Two 20.0 g ice cubes at −15.0 ∘C−15.0⁢ ∘C are placed into 285 g285 g of water at 25.0 ∘C.25.0⁢ ∘C.…

A:

Q: Calculate the amount of heat needed to boil 166.g of ethanol (CH3CH2OH), beginning from a…

A: Boiling point of ethanol is 78.37 °C.The change in temperature taking place is,

Q: What is the specific heat of lead if it takes 97.8 JJ to raise the temperature of a 75.4 gg block by…

A:

Q: Calculate the amount of heat needed to boil 133.g of ethanol ( CH3CH2OH ), beginning from a…

A:

Q: A 12.5-g sample of granite initially at 82.0 °C is immersed into 25.0 g of water that is initially…

A: The final temperature for granite and water = X Initial temperature for Granite = 82◦ C Temperature…