An unknown mass of Al absorbs 187.9 J of heat and increases its temperature from 23.5 ∘∘C to 35.6 ∘∘C.  What is the mass of the aluminum?    Where: Specific Heat of Aluminum is = 0.900 J/g∘∘C

Q: A cubic piece of platinum metal (specific heat capacity = 0.1256 J/°C g) at 200.0°C is dropped into…

A: Answer: This question is based on the conservation of energy which suggests that energy lost by…

Q: How much heat energy would be needed to raise the temperature of a 32.0 g sample of gold [C = 0.129…

A: Given: Mass of sample of gold, m =32.0 g Initial temperature, T1=21.8°C Final temperature, T2=75.0°C…

Q: 3. When 1.010 g sucrose (C12H22011) undergoes combustion in a bomb calorimeter, the temperature…

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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: 2NaHSO4(s)  ----> Na2SO4(s)  + H2O(g) + SO3(g)   ΔH = -231.3 kJ If 3.60 grams of Na2SO4(s) is…

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Q: You determine that 143 J of energy as heat is required to raise the temperature of 94.28 g of zinc…

A: Specific heat capacity of a substance is amount of heat required to raise temperature of a substance…

Q: A student wishes to determine the specific heat capacity of a certain material. After she places…

A: We have to calculate the specific heat capacity of material.

Q: In an experiment, 27.0 g of metal was heated to 98.0°C and then quickly transferred to 150.0 g of…

A: The energy released by the metal is used by the water to raise its temperature from  20.0°C to…

Q: The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

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Q: An experiment was conducted to determine the specific heat of platinum.  It was determined that…

A: Heat required to raise the temperature = 158.8 Joules. Mass of a sample = 50.0 g  Initial…

Q: 1. What mass of methane (CH4) must be burned to release 185 kJ of heat?        CH4(g) + 2O2(g)…

A: Molar mass of CH4 = 1 * atomic mass of C + 4 * atomic mass of H = (1 * 12 + 4 * 1) g/mole = 16…

Q: Suppose that 3,248 J of heat is removed from 86.5 grams of octane at an initial temperature of…

A: Since the heat of any process at constant pressure is given by  Q = mCΔT  where Q = heat given =…

Q: If 325 g of water at 4.2C absorbs 12.28 kJ, what is the final temperature of the water? The specific…

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Q: What is the specific heat in J/g°C for a metal sample with a mass of 78.9 g which absorbs 753 J of…

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Q: 2.80  kJ of heat is added to a slug of silver and a separate 2.80 kJ of heat is added to a slug of…

A: Given :  Initial temperature of slug silver slug = 25 degree Celsius  initial temperature of…

Q: A 28.79 g sample of a substance is initially at 21.2 ∘C. After absorbing 1817 J of heat, the…

A: Introduction The specific heat of any particular metal basically denotes the heat quantity required…

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: Titanium reacts with iodine to form titanium(III) iodide, emitting heat:2 Ti(s) + 3 I2(g)…

A: From the given chemical equation and data it is clear that  839 KJ energy is released from two moles…

Q: A 77.5g piece of brass is heated so that its temperature is 98.7◦C. Next, it is quickly placed in a…

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Q: A piece of lead (mass = 2.85 g) at 10.3 C is placed in a Styrofoam coffee cup containing 7.55 mL of…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 567.0 mg sample…

A: amount of heat needed q = m x S x ∆T  where  q = 11.6 J  m = mass of sample = 567 mg x 10-3 g/1mg =…

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 for heating is given by  Q = mCΔT where m = mass  C = specific heat capacity…

Q: An 8.29 g sample of calcium carbonate [CaCO3(s)] absorbs 50.3 J of heat, upon which the temperature…

A: Mass of CaCO3 = 8.29 g Amount of heat absorbed = 50.3 J Specific heat of CaCO3 can be calculated as…

Q: Nitromethane (CH3NO2), sometimes used as a fuel in drag racers, burns according to the following…

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Q: A 19.3 g sample of beryllium at 96.7°C is placed into 46.2 mL of water at 20.2°C in an insulated…

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Q: 33 a b U Consider the hypothetical thermochemical equation 3A+B→2C for which AH = 61.5 kJ/mol. L L L…

A: Dear student since you have posted multiple parts question, We will solve first three parts of this…

Q: A 135.0-g sample of a metal at 153.0 °C is added to 255.0 g of ethylene glycol (specific heat = 2.43…

A: First we need to calculate heat gain by ethylene glycol. Using that heat we can calculate specific…

Q: when 50.0 mL of 0.200 M NaOH is mixed with 50 mL of 0.200 M HCl in a coffee cup calorimeter, the…

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Q: What will be the final temperature when a 25.0 g block of aluminum (initially at 25 °C) absorbs 10.0…

A: The amount of heat energy  is related to specific heat capacity as,…