What volume of ethane (C2H6) measured at 23 degrees celcius and 752mmHG, would be required to heat 855g of water from 25.0 degrees celcius to 98 degress celcius?

Q: About how long would it take hydrogen cyanide gas (HCN) to travel 10.0 meters at 25.0°C, when its…

A: Since we know that kinetic energy is given by  KE = MV2 / 2 where M = mass and V = velocity Since…

Q: How much heat is released by burning 32g of CH4? CH4(g) + 2O2 → CO2(g) + 2H2O(l)  ΔH=-891kJ

A: Given, CH4(g) + 2O2 → CO2(g) + 2H2O(l)   ΔH= -891kJ Note: (-) negative sign indicate the release of…

Q: A balloon originally had a volume of 5.39 Lat 317 K and a pressure of 755 mmHg. To what temperature…

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

Q: A chemist must add 3,352 kJ of heat to 2 mol solid Al2O3 to cause it to break down to form 4 mol…

A: Given: Heat supplied to solid Al2O3 = 3352kJno of moles of Al2O3 taken  = 2molno of mol of Al formed…

Q: A 155.0 g piece of copper at 146 oC is dropped into 250.0 g of water at 15.3 oC. (The specific heat…

A: The heat lost by copper will be equal to the heat gained by water as there is no loss of heat to the…

Q: How much heat did a cold water sample absorb if 53.88ml of water initially at 22.2 celcius to 32.5…

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Q: Given 35.0 grams of aluminum at 22.0 °C. What will be the final temperature of the Al if 300.0…

A: Specific heat :-  The amount of heat required to raise the temperature of 1 gram of a substance…

Q: A gas is compressed from an initial volume of 5.55 L to a finalvolume of 1.22 L by an external…

A: The expression for the work done,  W=-P(Vf-Vi)W=-1.00 atm (1.22 L-5.55 L)W=4.33 L (101.33 J)1 L…

Q: Calculate the amount of heat released in the combustion of 3.5 grams of Al with 7.4 grams of O2 to…

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Q: If a 125 g sample of iron is heated to 250.0oC and then placed in 500.0 g of water at 25.0 oC in an…

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Q: Chaeyoung wants to study the heat transfer between a 50 g of heated block of iron (cFe = 0.449 J/g…

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Q: 5. The combustion of propane (CsHe) produces 248 kJ of energy per mole of propane burned. How much…

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Q: How many kilojoules of heat are released when 38.7 g of CH4 (g) reacts completely with O2(g) to form…

A: Mass of CH4= 38.7 g

Q: You add a 150-g sample of iron that has been heated to 85.0oC is placed into an insulated container…

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Q: What would be the final temperature if 50.0g of H2O at 30.0C was added to 40.0g of H2O at 90.0C?…

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Q: A 531.6 g sample of sodium undergoes a temperature change of +86.75 °C while absorbing 857.4 joules…

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Q: The reaction between nitrogen and oxygen gases requires the absorption of 43 kJ of energy per mole…

A: The balanced reaction taking place is given as, => N2 (g) + O2 (g) -----> 2 NO (g)…

Q: The propane fuel (C3H8)(C3H8) used in gas barbeques burns according to the following thermochemical…

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Q: You add a 150-g sample of iron that has been heated to 85.0oC is placed into an insulated container…

A: The heat flow between the two substances is calculated by using the formula, where, m is the mass.…

Q: A sample of water absorbs 3.00 × 103 J of heat energy and its temperature rises from 20.0 oC to 31.2…

A: The temperature change of water is determined as given below,

Q: When one mole of C6H6C6H6 is burned, 3.27 MJ3.27 MJ of heat is produced. When the heat from burning…

A: The number of moles of C6H6 is 1 mol. The heat released is 3.27 MJ. The weight of C6H6 is 7.87 g.…

Q: Among the substances that react with oxygen and that have been considered as potential rocket fuels…

A: Standard enthalpy change is defined as the heat absorbed or released by the system during chemical…

Q: A student obtained a clean flask. She weighed the flask and stopper on an analytical balance and…

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Q: If 10 g of water at 52oC and 25 g of water at 10oC were mixed in an insulated container, what will…

A: Given: Specific heat of water = 4.184 J/g°C

Q: Suppose that 25 g of each of the following substances is initially at 28.0 ∘C. What is the final…

A: The problem is related to specific heat. It relates to heat, mass of a substance and change in…

Q: A sample of granite with a mass of 153.0 g is heated to a temperature of 228.0oC and placed in a…

A: To calculate the mass of water, following formula should be used. Q = mc (T2-T1) Where m is the mass…

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: 2H2SO3(ℓ)→ 2H2S(g) + 3O2(g)      ΔHrxn = 408 kJ        How much heat is absorbed in this reaction…

A: Given, 2H2SO3(ℓ)→ 2H2S(g) + 3O2(g)      ΔHrxn = 408 kJ   Mass of oxygen (O2) produced = 89.9 g…

Q: When a 43.0 g sample of metal at 100.0 oC is added to 38.0 g of water at 23.72 oC, the final…

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Q: A closed vessel 6 litres in volume contains nitrogen (N2) at a temperature of 27° C and a pressure…

A: V1 = 6L  T1 = 27oC = 300oK P1 = 4 atm P2 = 24 atm Cv = 0.743 J/ g K  Now we have 6L of N2     Molar…

Q: Determine the final temperature of a gold nugget (mass = 376 g) that starts at 288 K and loses 4.85…

A: Specific Heat Capacity of gold is =0.128 J/gc Initial temperature = T1 = 288K…

Q: How much heat is  ____________  evolved/absorbed when 2.22 x 102 moles of Br2 are consumed ?  N2…

A: Given reaction is : N2 + 3Br2 --------> 2NBr3 + 44.0 KJ  How much heat evolved/absorbed when 2.22…

Q: access the section in your eText. Part A Titanium reacts with iodine to form titanium(III) iodide,…

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Q: A piece of iron (mass = 25.0 g) at 368 K is placed in a styrofoam coffee cup containing 25.0 ml of…

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Q: How many joules are required to heat 340 grams of water from 25oC to 125oC?

A: Given: Mass (m) = 340 g = 0.340 kg Initial temperature (T1) = 25°C Final Temperature (T2) = 125°C

Q: Draw the major organic product formed by reaction of 2-hexyne with the following reagent: BH3…

A: The given reaction is hydroboration and protonolysis of an alkyne which give Z- alkene.

Q: A sample of gas occupies a volume of 74.8 mL74.8 mL. As it expands, it does 117.4 J117.4 J of work…

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Q: 3. Two laboratory staff titrated a 50.00 mL of hydrochloric acid with an unknown concentration with…

A: Smaller the standard deviation of a data set, more precise is the measurement. A more accurate…

Q: The flame in a torch used to cut metal is produced by burning acetylene (C₂H₂) in pure oxygen.…

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Q: A sample of water with a mass of 23.31g and an initial temperature of 367.67K loses 8615J. What is…

A: Final temperature will be 279.25 K. Solution : We know the relations of specific heat capacity…

Q: Calculate the amount of coke, (carbon) needed to be burned in order to heat 500.kg of water from 20…

A: The amount of energy for a particular amount of matter present at specific temperature with specific…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 107. kl during a…

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