How much heat, in joules and in calories, must be added to a 89.9 g manganese block with a specific heat of 0.479 J/g·°C to increase its temperature from 25°C to its melting temperature of 1246°C? Answer in J and in cal

Q: A student performed this experiment by mixing 50.0 mL of 2.0 M NaOH solution with 50.0 mL of 2.0  M…

A: Given: Concentration of NaOH reacting = 2.0 M Volume of NaOH solution = 50.0 mL = 0.050 L…

Q: Which sample will reach the lowest final temperature when all samples evolve 12.5 J of heat and all…

A: Since, Q =m.c.St WHERE Q = heat energy M =mass of metal C= specific heat of metal Triangle T =…

Q: What mass of water will give up 240 calories when the temperature drops from 100 deg C to 68 deg C.…

A: Given:: Heat q= -240 cal T1=100 ℃  T2=68℃  Specific heat capacity of water, Cp= 1 cal g-1℃-1 mass of…

Q: How much heat is transferred from a 4.10 g gold nugget (specific heat = 0.129 J/g-°C) initially at…

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Q: How many milliliters of water at 21 °C with a density of 1.00 g/mL must be mixed with 220 mL of…

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Q: When 15.53 grams of fictional compound X is added to water to make 344.5 grams of solution, the…

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Q: When 59.52 grams of fictional compound X is added to water to make 553.5 grams of solution, the…

A: given mass of solution = 553.5 g mass of X = 59.52 g molar mass of X = 69.14 g/mol initial…

Q: How many kJ of heat are necessary to raise the temperature of 10.0kg of liquid water from 24.6C to…

A: Answer           Q = mCvdT given m = 10.0 Kg            m = 10000g…

Q: A (5.80x10^1) g sample of water (C = 4.18 J / g ºC) initially is at 30.2ºC. What is the final…

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Q: Calculate the amount of heat energy (in joules) released to DROP the temperature of 30.0 g of water…

A: The specific heat of a substance is defined as the amount of heat required for raising the…

Q: hen 92.00 grams of fictional compound X is added to water to make 531.0 grams of solution, the…

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Q: Substance Specific Heat, c (J/gx°C) Water 4.184 Granite 0.803 Mercury 0.140 Silver 0.235 Aluminum…

A: Using the relation Q = mCΔT we can find amount of heat released.

Q: When 98.88 grams of fictional compound X is added to water to make 386.9 grams of solution, the…

A: Given mass of solution = 386.9 g mass of X = 98.88 g molar mass of X = 125.14 g/mol specific heat =…

Q: What is the final temperature when a 5.0 g sample of brass initially at 25 oC absorbs 75 J of heat?…

A: Equation for finding the heat absorbed by brass is as follows. Q=mc∆TQ=heat absorbed by brassm=mass…

Q: How many kJ of heat is needed to raise the temperature of 0.250 L of water in t liquid phase from…

A: Volume of water V = 0.250 LT1 = 24.6 oCT2 = 46.2 oC

Q: Silicon, used in computer chips, has a heat capacity of 0.712 J·g-1·°C-1. If  500  J of heat is…

A: Given: Heat capacity of silicon = 0.712 J g-1 °C-1 Absorbed heat = 500 J Mass of silicon = 8.13 g…

Q: 115.4 g of water, H2O, (molar mass is 18.02 g/mol) was heated from -11.54 °C to 135.72 °C. The…

A: The specific heat of a substance is the amount of heat required to raise the temperature of a…

Q: What is the final temperature when a 5.0 g sample of brass initially at 25 oC absorbs 75 J of heat?…

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Q: Water has a heat of vaporization (ΔHvap) of 40.8 kJ/mol. What is the change in energy of 10.0 g of…

A: The amount of heat required by water to change from liquid phase to vapor phase by means of…

Q: If 80.5 g of KBr are dissolved in 400.0 g of water at 25.0 °C in an insulated container, a…

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Q: How much heat (kJ) is absorbed by 948.0 g of water in order for the temperature to increase from…

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Q: When 51.96 grams of fictional compound X is added to water to make 348.0 grams of solution, the…

A: Mass of compound X is = 51.96 g Molar mass of compound X is = 92.68 g/mol Specific heat of solution…

Q: 50.0 mL of hot water (49.6 oC) is added to 50.0 mL of cold water (24.7 oC). Upon mixing the water…

A: Given: For hot water Volume, V= 50.0ml So, mass m1= d x V = 1 x 50.0 = 50g Temperature T1= 49.6oC…

Q: A common technique for forming metal electrodes on electronic devices is evaporation in a vacuum. In…

A: Given Data: The enthalpy of vaporization (ΔHvap) for gold = 310.9 kJ/mol given mass of  liquid gold…

Q: When 97.02 grams of fictional compound X is added to water to make 382.0 grams of solution, the…

A: Answer = The correct option is (b) = 31.66 kJ/mol Solution - According to the question - Given the…

Q: The specific heat of mercury is 0.140 J/g°C. Calculate the heat necessary to raise the temperature…

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Q: a) A person drinks four glasses of cold water (3.0°C) every day. The volume of each glass…

A: Given: volume=2.6×102 mLInitial temperature=3.0oCFinal temperature=37oC To find: Heat supplied

Q: How much heat is transferred from a 4.00 g gold nugget (specific heat = 0.129 J/g-°C) initially at…

A: Given : Mass of water = 5 Kg = 5000 g…

Q: How much heat, in joules, would be required to raise the temperature of 450 g of Aluminum (cAl =…

A: Given, mass of Al = 450 g  Specific heat , c = 0.21 cal/g°C  Heat required = ?

Q: 67.0 mL of hot water (45.4 oC) is added to 45.0 mL of cold water (22.3 oC).  Upon mixing the water…

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Q: When 84.64 grams of fictional compound X is added to water to make 449.6 grams of solution, the…

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Q: A student mixes 67.0 mL of a 2.01 M sodium hydroxide solution with 22.4 mL of 6.45 M hydrochloric g…

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Q: When 37.00 grams of fictional compound X is added to water to make 526.0 grams of solution, the…

A: Temperature flow from higher temperature to the low temperature. q= mc∆T Heat capacity of water=…

Q: What is the heat capacity of 265 grams of water? The specific heat of water is 4.184 J/g °C. O 1105…

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Q: Which statement best defines specific heat? The amount of heat required to increase the temperature…

A: