Part DHow many kilojoules of heat are released when 38.2 g of CH,(g) reacts completely with O2 (g) to formCH3OH(g) at constant pressure?Express heat to three significant digits with the appropriate units. Consider the following reaction:2CH;OH(g)→2CH;(g) + 02(g),AH+252.8kJ

mass of CH4 = 38.2 g Chemical reaction - 2CH3OH → 2CH4 + O2 H = +252.8 kJ

Answered: How many kilojoules of heat are…

How many kilojoules of heat are released when 38.2 g of CH4 (g) reacts completely with O2 (g) to form CH3OH(g) at constant pressure?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

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

A: Heat of solution is directly proportional to the the temperature change.

Q: For the following thermochemical equation, CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) ΔH = –890 kJ…

A: Given reaction: CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (l). ∆H = -890 kJ. So, 890 kJ of heat is released…

Q: A generic solid, X, has a molar mass of 61.8 g/mol. In a constant-pressure calorimeter, 18.6 g of X…

A: Answer:- This question is answered by using the simple concept of calorimetry which states heat lost…

Q: At constant volume, the heat of combustion of a particular compound, compound A, is −3520.0…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: How much heat is released when 2.50 molesof HCl(g) are formed?

A: Reaction involved for the formation of HCl(g) H2(g) + Cl2(g) -------> 2HCl(g) For this reaction…

Q: 2.164 g sample of an organic substance (MM = 180.16 g/mol) is burned in a bomb calorimeter, the heat…

A: Solution - According to the question - Given value - cp = 4.313kj/°C weight of substance = 2.164 g…

Q: How much heat is produced when 25.4 g of NO2 react? 4NO2(g) + O2(g) → 2N2O5(g) heat of…

A: Given Mass of NO2= 25.4 g To find heat is produced.

Q: Calculate the quantity of heat released when 4.00 g of CH4(g)are burned in excess oxygen according…

A: Methane react with oxygen and produced one mole of carbon dioxide and two mole of water

Q: רPi How much heat will be released (AH) if 0.2037 mol of NH3 are mixed with 0.20 mol of O2 in the…

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: Iron can be converted to Fe₂O₃ according to the reaction below. How much heat (in kJ) is required to…

A: The branch of chemistry that deals with the structure, properties and the reaction of the organic…

Q: 4. A 5.00 gram sample of an unknown metal was placed in a beaker of boiling water (99.58 °C). After…

Q: An important flavor component of vanilla extract is vanillin (C8H8O3, molar mass = 152.15 g/mol).…

A: Using conservation of heat energy principle, mass of vanillin combusted can be calculated.

Q: 4. When backpacking in the wilderness, hikers often boil water to sterilize it for drinking. Suppose…

A: Given : Volume of water = 35 L = 35 × 10³ mL initial temperature of…

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

A: Enthalpy of formation of carbon disulphide = 89.3 kJ The formation of carbon disulphide is for 1…

Q: A 51.46 g piece of cadmium metal initially at 82.15 oC is placed in a calorimeter with 50.00 mL of…

A: Let the final temperature be x°C. From calorimetry, Heat loss by cadmium = Heat gain by water 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: Consider the following equation for the combustion of acetone (C3H6O), the main ingredient in nail…

A: The objective of the question is to calculate the amount of heat released by the complete combustion…

Q: A 4.42-g sample of Colorado oil shale is completely burned in a bomb calorimeter, which causes the…

A: A particular amount of the sample is burned in the calorie meter and heat of combustion is…

Q: We allow 73 g of oxygen to react with 85 g of ethane. The reaction is shown below. Since the heat…

A: Given - Balanced thermodynamical Reaction - C2H6 (g) + 7/2 O2 (g) → 2 CO2 (g) + 3 H2O (g) ,…

Q: They are all one question. When a solid dissolves in water, heat may be evolved or absorbed. The…

A: Given, When 5.21 g of CsClO4(s) are dissolved in 114.80 g of water, the temperature of the solution…

Q: In the laboratory, a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: qw = - qTin mw × cw × (Tf - Ti) = - { mtin × ctin × (Tf - Ti) On substituting the values into it, we…

Q: Magnesium burns in air to produce a bright light and is often used in fireworks displays. The…

Q: 5.00 – mL of 0.64M HCl and 45.00 – mL 0.77M NaOH, both initially at 26.0°C, are mixed in a…

A: Given: Concentration of HCl = 0.64 M Concentration of NaOH = 0.77 M Volume of NaOH solution added =…

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: Given information: Mass of unknown sample = 4.77 g Mass of water = 150.00 g Initial temperature =…

Q: Liquid hydrogen peroxide is an oxidizing agent in many rocket fuel mixtures because it releases…

Q: Calculate the heat exchanged when 32.0 g oxygen reacts with 16.0 g methane: CH4(g) + 3/2 O2(g) →…

A: Ans -600kj

Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: A 5.71 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Mass of unknown salt = 5.71 gMolar mass of unknown salt = 116.82 g/molAmount of water = 150.00…

Q: When 21.0 g of 0.200 M NaCl(ag) at 18.7 °C is added to 18.0 g of 0.100 M AgNO3(aq) at 18.7°C in a…

A: Given: The initial temperature, (T1)=18.70C. The Final temperature, (T2)=200C. The total mass of the…

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: When 21.0 g of 0.200 M NaCl(aq) at 18.7 °C is added to 18.0 g of 0.100 M AgNO3(aq) at 18.7°C in a…

A: Interpretation - To determine the amount of heat produced ( in J) when 21.0 g of 0.200 M NaCl(aq) at…

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 47.3 g…

Q: The addition of 3.15 g of Ba(OH)₂ 8H₂O to a solution of 1.52 g of NH SCN in 100 g of water in 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: constant volume, the heat of combustion of a particular compound, compound A, is −3520.0…

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: 112. The thermochemical equation for the combustion of methanol is CH3OH (g) + 3/2 O2(g) → CO2(g)…

A: The chemical reaction of the combustion of methanol is CH3OH (g) + 3/2 O2(g) → CO2(g) + 2 H2O(l) ΔH…

Q: If 0.067 mol of hydrochloric acid (HCl) is mixed with 0.067 mol of sodium hydroxide (NaOH) in a…

Q: A 1.107-g sample of benzoic acid (HC;H;O:) is burned in an excess of O:(g) in a bomb calorimeter,…

Q: An experiment was performed to calculate the heat of solution for potassium fluoride. Use the…

A: Given: The mass of water=52.42 g The mass of salt sample=7.32 g The total mass of the sample,…

Q: The reaction between sodium metal and chlorine gas produces 822 kJ of heat energy for every chlorine…

Q: A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in…

A: The required equation is given below.

Q: Consider the following reaction: 2 CH3OH(g) → 2 CH4(g) + O2(g) ΔH = +252.8 kJ Is this…

A: Given -> 2CH3OH(g) ---> 2CH4(g) + O2(g) ∆H= +252.8 KJ ------(1) Weight of CH3OH = 24.0 gm

Q: The common fertilizer NH,NO;(s), can explosively decompose according to the following reaction. What…

A: Mass of NH4NO3 = 80.06 g

Q: In a coffee cup calorimeter, 50.0 mL of 1.00 M NaOH and 50.00 mL of 1.00 M HCl are mixed. Both…

A: The given informations are recorded as shown below,

Question

100%

Part D
How many kilojoules of heat are released when 38.2 g of CH,(g) reacts completely with O2 (g) to form
CH3OH(g) at constant pressure?
Express heat to three significant digits with the appropriate units.

Consider the following reaction:
2CH;OH(g)→2CH;(g) + 02(g),
AH
+252.8kJ

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1:Given data

VIEW

Step 2: Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Nitrogen oxide (NO) has been found to be a key component in many biological processes. It also can react with oxygen to give the brown gas NO2. When one mole of NO reacts with oxygen, 57.0 kJ of heat are evolved. How many grams of nitrogen oxide must react with an excess of oxygen to liberate 20 kJ of heat? NO(g) + ½O2(g) → NO2(g) ΔH = –57.0 kJ ___________ g
A 29.00 g sample of metal alloy is heated to 92.6 °C; then placed in 55.23 g of water in an insulated calorimeter at 21.3 °C. If the final temperature of the system is 43.9 °C, what is the specific heat of the metal alloy? Assume that the calorimeter absorbs a negligible amount of heat.
A 1.200 g sample of ZnCO3 (s) dissolved in 40.0 mL of a dilute HCl solution (density = 1.10 g/mL) in a coffee cup calorimeter, producing CO2 (g), liquid water and ZnCl2 (aq). The temperature of the solution changes from 24.32 oC to 25.49 oC. The resulting solution has a specific heat of 4.18 J/goC. What would be a balanced equation for this reaction.
A 1.595 g samples of a new organic material is combusted in a bomb calorimeter. The temperature of the calorimeter and its contents increase from 23.67 degrees Celsius to 29.44 degrees Celsius. The heat capacity (calorimeter constant) of the calorimeter is 30.29 kJ/degrees Celsius, what is the heat of combustion per gram of the material?
When 1.836 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the temperature of the calorimeter increases from 22.41°C to 26.63°C. If the heat capacity of the calorimeter is 4.900 kJ/°C, what is the heat of combustion of sucrose?
calculate the heat (in J) of the reaction if 50.0 mL of HCl is added to 50.0 mL of NaOH in a coffee-cup calorimeter. The initial temperature for both solutions is 23.2oC. At the end of the reaction after the data is graphed, the final temperature is determined to be 38.5oC.
A piece of molybdenum metal whose mass is 6.87 g is heated to 100.0 °C and then dropped into an ice calorimeter. As the molybdenum cools to 0.0°C, 0.513 g of ice melts (it takes 6.01 kJ of heat to melt exactly 1 mol of ice). What is the molar heat capacity (in J/mol·K) of molybdenum? i J/mol*K
When 6.54 grams of Zn is placed in 500.0 mL of 1.00 M CuSO4(aq) in a coffee cup calorimeter, it reacts completely to displace copper. The temperature of the solution rises from 20.0˚C to 30.4˚C. Assume the coffee cup itself gains no heat and that the solution has the same density (1.00 g/mL) and specific heat (4.184 J/g˚C) as pure water. (a) How much heat does the solution gain during this reaction? (in J)
At constant volume, the heat of combustion of a particular compound, compound A, is −3046.0 kJ/mol.−3046.0 kJ/mol. When 1.753 g1.753 g of compound A (molar mass =112.07 g/mol)=112.07 g/mol) is burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 6.475 ∘C.6.475 ∘C. What is the heat capacity (calorimeter constant) of the calorimeter? Suppose a 3.771 g3.771 g sample of a second compound, compound B, is combusted in the same calorimeter, and the temperature rises from 25.65 ∘C25.65 ∘C to 29.76 ∘C.29.76 ∘C. What is the heat of combustion per gram of compound B?
metal X =51.0g; specific heat capacity =0.44 J/C If metal X is heated to 86C and put into a calorimeter containing water (she=4.18 J/g°C ) at 23C. The final temperature of the water becomes 31C. What is the mass of water?
How much heat is produced when 57.4 g of NO2 react? 4NO2(g) + O2(g) → 2N2O5(g) heat of reaction = –110.2 kJ
Determine the amount of heat released when 180.00 g AsBr5(g) reacts according to the following equation: As4O10(g) + 6 AsBr5(g) → 10 Br3AsO(g) Additional equations that may be useful: 1/4 As4(s) + 3/2 Br2(g) → AsBr3(g) ΔH = -336.4 kJ/mol As4(s) + 5 O2(g) → As4O10(g) ΔH = -2967.3 kJ/mol AsBr3(g) + Br2(g) → AsBr5(g) ΔH = -84.2 kJ/mol AsBr3(g) + 1/2 O2(g) → Br3AsO(g) ΔH = -295.7 kJ/mol