How much heat is required to warm 2.00 kgkg of sand from 25.0 ∘C∘C to 100.0 ∘C∘C? The specific heat capacity of sand is 0.840 J/(g⋅∘C)J/(g⋅∘C). Express the heat in joules to three significant figures.

Q: When a 100-gram cylinder of copper, initially at 100° C, is placed in 100 grams of household…

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Q: Maple crunch, a new candy, comes in packages of 100.0 g. A 1.00-g sample is burned in a bomb…

A: Answer: This question is based on conservation of energy where energy released due to combustion of…

Q: The specific heat of a certain type of cooking oil is 1,75 J/(g•°C). How much heat energy is needed…

A: The objective of this question is to calculate the amount of heat energy required to raise the…

Q: What is the heat capacity of mercury in J⋅mol−1⋅∘C−1?

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

A: Recall the data, Molar heat capacity of silver=25.35Jmol °C mass of silver=9.00 g molar mass of…

Q: How much heat must a 30.0 g sample of water absorb to raise its temperature from 22.0 ∘C to 67.0 ∘C?…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 796.0 mg sample…

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

A: given, specific heat (c) = 4.18 J/(gm.°C) mass of the substance(m) = 350 gm initial temperature=…

Q: When 9.85 grams of potassium hydroxide (KOH) are dissolved in 150.0 grams of water at 25.0 °C in an…

A: Answer: This question is based on energy conservation which suggests that heat released during the…

Q: Given the following thermochemical data: HNO3(aq)+Ag(s) → AgNO3(aq)+½H2(g)   ΔH = 105.0 kJ…

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Q: One tablespoon of peanut butter has a mass of 15 gg . It is combusted in a calorimeter whose heat…

A: Given values are the following.

Q: In the following experiment, a coffee-cup calorimeter containing 100 mLmL of H2OH2O is used. The…

A: Heat of solution of calcium chloride = -82.8 kJ/mol which means one mole of calcium chloride on…

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: The specific heat of a certain type of cooking oil is 1,75 J/(g•°C). How much heat energy is needed…

A: The objective of this question is to calculate the amount of heat energy required to raise the…

Q: An unknown metal is suspected to be gold. When 2.8 JJ of heat are added to 5.6 gg of the metal, its…

A: Recall the following relation from law of calorimetry as follows        Amount of heat…

Q: We drop 100.0 g of metal at 90.0 ∘C into 50.0 g of water at 20.0 ∘C.  The final temperature is 33.5…

A: Given data is as follows: The mass of the metal = 100 g The initial temperature of the metal = 90.0…

Q: heated to 89.5°C and placed in a calorimeter containing 159 g of water at 22.8°C.  If the heat…

A: Mass of Cu(mCu) = 455 g Mass of Water (mw) = 159 g Heat capacity of water(Cw)= 4.184 J/g-°c Hewt…

Q: Sweat cools the body because evaporation is an endothermic process H2O(l) → H2O(g)         ∆H ̊ =…

A: Given mass = 135 lbs ΔT = 3.65°C c = 4J/g°C ΔH = 44.01 kJ/mol

Q: If 45.0 mLmL of ethanol (density = 0.789 g/mLg/mL) initially at 7.0 ∘C∘C is mixed with 45.0 mLmL of…

A: When there is no loss of heat, heat loss=heat gained…

Q: The quality of industrial diamonds is determined in part by measuring the specific heat capacity,…

A: Mass of sample M = 2.06 g  Heat absorbed Q = 27.64 J  Change in temperature dT = 74.17 oC - 25.90 oC…

Q: In the laboratory a student finds that it takes 71.3 Joules to increase the temperature of 12.3…

A: The amount of heat of iron is .The mass of iron is .The initial temperature is .The final…

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the final temperature if 305…

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Q: Which of the following (with specific heat capacity provided) would show the smallest temperature…

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Q: A piece of metal weighing 71.35 g was heated to 96.6oC and then put into 42.95 g of water (initially…

A: The heat released or absorbed (q) when the temperature of any substance is raised is calculated as:…

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅∘C).What is the final temperature if 305…

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Q: A 20.33 g sample of a substance is initially at 28.5 °C. After absorbing 2325 J of heat, the…

A: • The values provided in the question are:-  i) Mass of a substance, m = 20.33 g  ii) Initial…

Q: The amount of energy needed to heat 2.00 g mercury from 50.0°C to 85°C is 9.87 J. The specific heat…

A: Given: Mass of mercury=2.00 g Temperature change, ∆T=(85-50.0)°C=35 °C Heat needed q =9.87 J…

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the final temperature if 305…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.36 kg sample…

A: Given: Mass of sampleC4H6O2=1.36 kg T1=48.6οC T2=61.7οC Q=2.79×104 J To find: Molar heat capacity…

Q: A 19.7724 grams of metal was heated to 100.001∘C  when the metal was placed into 155.00 grams of…

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Q: The specific heat of zinc calculated from her data is //gºC.

A: Mass of solid zinc (m) = 10.0 g  Initial temperature (T1) = 24.10C  Final temperature (T2)= 35.2 °C…

Q: A 123 g piece of metal is heated to 292 ∘C and dropped into 86.5 g of water at 26.0 ∘C If the final…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: It takes 55.0 JJ to raise the temperature of an 9.60 gg piece of unknown metal from 13.0∘C∘C to 24.4…

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Q: A 496−g piece of copper tubing is heated to 89.5 ° C and placed in an insulated vessel containing…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.20 kg sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.59 kg sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 289.0mg sample…

A: given: mass = 289 mg = 0.289 g T2 = 40oC T1 = 22.1°C  Q = 8.75 J molar mass of C4H8O2 = 88.11 g/mol…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g. °C). How much heat energy is needed…

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Q: If 45.0 mLmL of ethanol (density = 0.789 g/mLg/mL) initially at 8.0 ∘C∘C is mixed with 45.0 mLmL of…

A: Volume of water = 45 mL Volume of ethanol = 45 mL Density of ethanol = 0.789 g / mL Initial…

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

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Q: A 6.75g sample of gold (specific heat capacity of Au = 0.130 J/gC) is heated using 40.2 J of energy.…

A: Since the heat required in heating of metal is given by  Q = mCΔT where Q = heat or energy = 40.2 J…

Q: A 15.0-mL sample of benzene at 21.0 °C was cooled to its melting point, 5.5 °C, and then frozen. How…

A: Calculate the mass of benzene from density,

Q: What is the final temperature if 305 J of heat is added to 58.2 g of this metal

A: q = mc∆T  q is the amount of heat energy absorbed m is the mass of substance  c is the specific heat…