How much would the temperature (in K) of 770 g of ethanol increase if 24.5 kJ of heat were added?

Q: Temperature of 150. g of iron increased from 27.1 °C to 33.1 °C after absorbing 406 J of heat, what…

A: Given data,Mass of iron=150gInitial temperature=27.1oCFinal temperature=33.1oCHeat (Q)=406J

Q: When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 5.27 g is…

A: Given: 3.27 MJ = 3270000 J molar mass of C6H6 = 78.11 gm/mol that mean 78.11 gm C6H6 = 1 mole then…

Q: How much heat is produced by the complete combustion of 264 gg of CH4CH4?

A: Given:CH4g+2O2g→CO2g+2 H2Og∆Hrxn°=-802.3 kJ

Q: CS2 and 10.0 g Cl2 reacts by the followi CS2(g) + 3Cl2 (g) AH = -230. kJ

A: Given, Mass of Cl2 = 10 g Mass of CS2 = 10 g Molar mass of CS2 = 76 g/mol Molar mass of Cl2 = 71 g…

Q: The reaction 3H2(g) + N2(g) → 2NH3(g) has an enthalpy of reaction of -92.6 kJ/mol. If 2 g of…

A: According to the given balanced chemical equation, one mole of nitrogen reacts to produce 92.6 kJ of…

Q: If 63.50 g of an unknown metal at 97.6 °C initially produced a resulting temperature of 39.5 °C when…

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

Q: A 52.7 g. piece of an unknown metal is heated up 51.4 °C when given 3492 J of heat.  What is the…

A: Formula : Heat, q = msΔT     3492 = 52.7 x s x 51.4   s = 1.289 J g-1 °C-1 Here s is specific heat…

Q: A constant pressure (or coffee cup calorimeter) contains 125g of water at a temperature of 24.2°C.…

A: Given , mass of water = 125 ginitial temperature, Ti=24.2°Cmass of KBr added = 10.5 gFinal…

Q: If 890 kJ is released during the combustion of 1 mol of methane, what is the heat of reaction if…

A:

Q: If 0.0179 moles reacted, and 793.0 J of heat were absorbed by the reaction in a coffee cup…

A: Given data is  Moles of substance reacted = 0.0179 moles Amount of heat absorbed= 793.0 J  Enthalpy…

Q: 17) A 22.9 g sample of iron absorbs 155 J of heat, sample upon which the temperature of the…

A:

Q: A 63.5-g piece of an unknown metal is heated to 92.40°C and quickly added to 100.0 g of water in a…

A: Given, mass of unknown metal, mu=63.5 g initial temperature of metal, Tiu=92.40°C mass of water,…

Q: How much heat is released when 8.00 grams of solid magnesium react with gaseous oxygen to produce…

A:

Q: A 4.77 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A:

Q: 7. When 0.63 g of solid LiCI (AHsoln = – 37.1 kJ/mol) dissolves in 5 L of water, how much heat is…

A: Answer :-  Heat released (q) when 0.63 g LiCl dissolved in 5 L water = -552.8 (J) = -0.5528 (kJ)…

Q: When a 6.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A: We have to find the molar heat of the solution of KBr

Q: When carbon disulfide,CS2, forms from its elements, heat is absorbed. How much heat would be…

A: Applying concept of mole relationship with heat of reaction.

Q: 2 Calculate the temperature reached when 100 g of water at 18.2°C absorbs 9.45 kJ of heat energy.…

A:

Q: What is the specific heat of lead if it takes 97.8 JJ to raise the temperature of a 75.1 g block by…

A:

Q: Consider the molecule of methanimine, CH₂NH. Its Lewis structure is shown H—N—C—H H What is the…

A: Lewis dot structure is diagrammatic representation of molecules in which compounds are represented…

Q: Calculate the heat change (q) in J when 8.111 grams of water is cooled from 1.472 ºC to -2.592 ºC.

A: The heat change during a temperature change ca be calculated as follows. q=mc∆Tq=heat…

Q: Use the References to access important values if needed for this question. When 15.0 mL of a…

A:

Q: 8. If you add a metal piece with a temperature of 120 °C and a mass of 1.23 g to 100 g of 30 °C…

A:

Q: The reaction 3H2(g) + N2(g) → 2NH3(g) has an enthalpy of reaction of -92.6 kJ/mol. If 2 g of…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: In a calorimetric analysis, 2.42 g of potassium chloride is weighed. The heat of solution of this…

A:

Q: A metal object with mass of 24.9 g is heated to 97.0 ∘C and then transferred to an insulated…

A: Heat = mass of substance X specific heat X temperature change

Q: Consider the reaction of hydrogen with sulfur to form hydrogen sulfide: 8H₂ (g) + S8 (s) → 8H₂S(g),…

A: The difference in the enthalpy of the products and reactants is known as the enthalpy change of the…

Q: 4. An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 °C. The…

A:

Q: What is the specific heat of a 74.01g piece of an unkown metal that exhibits a 45.2 Celcius…

A:

Q: A 6.55 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: The total mass of a solution is the summation of the mass of solute and the mass of solvent. The…

Q: 6. A student is determining the enthalpy of solution for ammonium nitrate by adding ammonium nitrate…

A: The question is based on the concept of chemical thermodynamics. we need to predict the effect on…

Q: 22.9 mL of an unknown acid was neutralized by mixing it with 50.3 mL of NaOH in an aqueous solution.…

A: Since the temperature of the solution is increased from 22.0 oC to 35.2 °C, heat is released by the…

Q: 3. Which indicator would show a pH change from 6 to 7? O Blue litmus indicator O Phenol red…

A: methyl red indicator

Q: A sample of copper with a specific heat of 0.385 J goC is heated from 45.6 oC to 80.7 oC. What is…

A: Answer: The mass of the copper sample is 60.4 g.

Q: 2 H NaOH, ethanol heat

A: NaOH is a base. It absorbs acidic protons. The produced carbanion will carry the reaction.

Q: When 40 mL of 1.0 M HCl was mixed with 50 mL of 1.5 M NaOH in a coffee cup calorimeter, the…

A: