Natural gas burns in air to form carbon dioxide and water, releasing heat. CH,(8) + 0,(8) - CO-(g) + H;O(g) AHxn = -802.3 kJ What minimum mass of CH, is required to heat 55 g of water by 25 °C? (Assume 100% heating efficiency.) b) 2.25 x 10°g a) 0.115 g c) 115 g d) 8.70 g

Natural gas burns in air to form carbon dioxide and water, releasing heat. CH,(8) + 0,(8) - CO-(g) + H;O(g) AHxn = -802.3 kJ What minimum mass of CH, is required to heat 55 g of water by 25 °C? (Assume 100% heating efficiency.) b) 2.25 x 10°g a) 0.115 g c) 115 g d) 8.70 g

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: Calculate the enthalpy change for reaction (a), given the data in equations (b), (c), and (d). AH =…

A: The objective of the question is to calculate the enthalpy change for the reaction (a) using the…

Q: Consider the following reaction: 2 Mg + O2 2 MgO, Hrxn = -1,203 kJ.Calculate the amount of heat…

A: The given balanced chemical reaction is as follows:

Q: Consider these reactions, where M represents a generic metal. 2 M(s) + 6 HCI(aq) → 2 MCI, (aq) + 3…

A: Hess's law states the enthalpy change for the overall reaction is the sum of the enthalpies of…

Q: The specific heat capacity of silver is 0.24 J/°C·g. Calculate the energy required to raise the…

A: Heat capacity is an extensive property. But specific heat capacity is intensive property. Heat…

Q: In a constant-pressure calorimeter, 60.0 mL of 0.310 M Ba(OH), was added to 60.0 mL of 0.620 M HCI.…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given,The mass of K2SO4 = 9.07 gThe mass of water = 110.50 gInitial temperature of the solution =…

Q: A hot air balloon is being inflated to its full extent by heating the air inside it. In the final…

A: Delta E for the process = 790 kJ

Q: what is the final temperature of the solution?

Q: Suppose 32.1 g ClF3(g) and 17.3 g Li(s) are mixed andallowed to react at atmospheric pressure and…

A: When reactants react in a chemical reaction, they react by according to their stoichiometry. A…

Q: 1. How many moles of butane, C4H10(l), must be burned to produce 182 kJ of heat under standard…

A: We have to find how many moles of butane, C4H10(l), must be burned to produce 182 kJ of heat under…

Q: Based on this value and the standard enthalpies of formation for the other substances, the standard…

A: Standard enthalpy of formation is the change in enthalpy that accompanies the formation of one mole…

Q: 3. Methanol (CH,OH) is a clean-burning liquid fuel proposed as a replacement for gasoline. Suppose…

A: Answer: -164.05 KJ is the standard reaction enthalpy for the formation of 1 mol methanol from…

Q: A generic solid, X, has a molar mass of 59.1 g/mol. In a constant-pressure calorimeter, 15.8 g of X…

A: Given: The mass of solid X = 15.8 g The mass of water = 311 g The initial temperature of the water =…

Q: When methanol, CH,OH, is burned in the presence oxygen gas, 0, a large amount of heat energy is…

A: A chemical reaction is symbolic representation of the conversion of substances to new substances. In…

Q: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

A: Each reaction takes place account to their stoichiometric radio and account to those things the heat…

Q: Ipy of the reaction: N2 (g) + O2 (g) → 2NO (g), given the following reaction N2 (g) + 202 (g) → 2NO2…

A: Given : We have to calculate the enthalpy of given reaction.

Q: Consider the reaction: When a 10.0-g sample of ethyl alcohol (molar mass = 46.07 g/mol) is…

A: The given reaction is : C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(l) ∆H=-1.37×103 kJ

Q: CH3OH(g) ---> CO(g) + 2H2(g) DH = +90.7 For a given sample of CH3OH(g), the enthalpy change on…

Q: What is the change in internal energy for a system that performs 213 kJ of work on its surroundings…

A: Given, System performs 213 KJ of work on its surrounding And system loses 79 KJ of heat in the…

Q: A chemist measures the enthalpy change AH during the following reaction: 2 HNO3(1) +…

A: The solution is as follows:

Q: 12. An aluminum kettle weighs 1.05 kg.(a) What is the heat capacity of the kettle?(b) How much heat…

A: (a) Given that mass of aluminium kettle =1.05 kg = 1050 g Now, heat capacity is explained as the…

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

Q: Exactly 46.33 kJ of heat is transferred to a 1.389 kg slab of nickel at a temperature of 12.7°C. (a)…

Q: 2. Mercury (II) oxide is a reddish mineral that is used as the cathode in mercury batteries. It is…

A: In the above question the heat energy require to prepare 2 mole Hg have given . We have to calculate…

Q: Write a balanced equation and draw an approximate enthalpy diagram for each of the following…

A: Interpretation: A balanced equation and an appropriate enthalpy diagram for each of the following…

Q: A piece of aluminum with a mass of 4.39 grams is heated to raise its temperature from 21.7°C to…

A: a) Since specific heat capacity of Al is 0.9 J/g.°C Since quantity of heat absorbed is given by Q =…

Q: 3. Methanol undergoes combustion according to the equation: 2CH,OH + 30, 2C0 2(g) + 4H,0 ) AH = -1…

Q: 8. Consider the reaction: C,H1,O(s) + 60;(g) → 6CO:(g) + 6H;0(1) , the heat change q for this…

A: When the energy of the products is smaller than the reactants or the system releases heat in the…

Q: In a constant-pressure calorimeter, 55.0 mL of 0.310 M Ba(OH)₂ was added to 55.0 mL of 0.620 M HCl.…

A: First we need to calculate the heat of reaction using formula Q = mC∆T Then we need to calculate…

Q: Assume that 0.411 g of diborane is combusted in a calorimeter whose heat capacity (Ccalorimeter) is…

A: In order to determine the final temperature of the calorimeter, the concept of the bomb calorimeter…

Q: 2. To study the possible amount of energy generated by a person, the person can be roughly viewed as…

Q: For the reaction H,(2) + 0,) → H,0M AH = - 286KJ/mol Calculate the enthalpy change when 2.50 g of…

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

Q: Consider the dissolution of ammonium nitrate according to the following equation: NH,NO3(s) → NH,…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: 4. Methane burns in air to form carbon dioxide and water according to the following equation: CH +…

A: 1) When ΔH < 0, the reaction is Exothermic. When ΔH > 0, the reaction is Endothermic. 2)In…

Q: The standard enthalpy changes for the formation of aluminum oxide and iron (III) oxide are 2 Al(s) +…

Q: Determine the enthalpy (in kJ/mol) for the reaction 3 SiCl₄ (s) + 4 Fe (s) → 4 FeCl₃ (s) + 3 Si (s)…

A: To solve this we have to do some mathematical operations with the given two equations to get the…

Q: A chemist measures the enthalpy change AH during the following reaction: 8 SO,(g) + 16 H, S(9)→3…

A: Here by applying Hess Law ,we can determine the enthalpy of reactions of different form of a…

Question

Natural gas burns in air to form carbon dioxide and water,
releasing heat.
CH,(8) + 0,(8)
- CO-(g) + H;O(g)
AHxn = -802.3 kJ
What minimum mass of CH, is required to heat 55 g of
water by 25 °C? (Assume 100% heating efficiency.)
b) 2.25 x 10°g
a) 0.115 g
c) 115 g
d) 8.70 g

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

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

An experiment is carried out where 12.2g of NaOH is dissolved in 240.0g of water in a coffee cup calorimeter. Dissolution is not a chemical reaction, but is a chemical process. NaOH(s) → Na+(aq) + OH-(aq) The mixture can be assumed to have the same specific heat capacity as liquid water (4.18J/g.C) What is the massof the sorroundings where the temperature is being measured in this experiment?
E In a constant-pressure calorimeter, 70.0 mL of 0.300 M Ba(OH), was added to 70.0 mL of 0.600 M HCl. The reaction caused the temperature of the solution to rise from 23.98 °C to 28.07 °C. If the solution has the same density and BO specific heat as water (1.00 g/mL and 4.184J/g °C,) respectively), what is AH for this reaction (per mole H₂O produced)? Assume that the total volume is the sum of the individual volumes. AH = kJ/mol H₂O
combustion products? 2. The standard enthalpy of formation of liquid water AH3° is -285.9 kJ/mole. Write the balanced chemical equation for which that value is appropriate.
O east.cengagenow.com al Chemistry I X OWLV2 | Online teaching and learning resource from Cengage Learning [References] Use the References to access important values if needed for this question. The standard enthalpy change for the following reaction is 940 kJ at 298 K. TiO2(s) → Ti(s) + O2(g) AH° = 940 kJ What is the standard enthalpy change for this reaction at 298 K? Ti(s) + O2(g) –→ TiO2(s) kJ Submit Answer Try Another Version 5 item attempts remaining Cengage Learning | Cengage Technical Support
Calculating the heat of reaction from molar reaction enthalpy a... A chemist measures the energy change AH during the following reaction: C,Hg(g)+50,(9) – -3 CO 2(g)+4H,0(1) AH=-2220. kJ Use the information to answer the following questions. endothermic. This reaction is... exothermic Suppose 36.3 g of C,Hg react. O Yes, absorbed. O Yes, released. Will any heat be released or absorbed? No. If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round your answer to 3 significant digits. Elanation Check 2021 McGraw-Hill Education. All Rights Reserved Term
An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 9 atm and a volume of 4.,0 L to a final volume of 13 L against a constant opposing pressure of 1.4 atm. How much heat does the gas absorb, expressed in units of L atm (liter x atm)? Latm
The enthalpy change to make diamond from graphite is1.88 kJ mol-1 . Which gives off more heat when burned—apound of diamonds or a pound of graphite? Explain.
Please don't provide handwritten solution ....
Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCI(aq) 2 MCI, (aq) + 3 H, (g) ΔΗ = -550.0 kJ 2. HCl(g) HCI(aq) AH2 = -74.8 kJ > 3. H, (g) + Cl, (g) → 2 HCl(g) AH3 = -1845.0 kJ 4. MCl, (s) → MCI, (aq) AH4 = -291.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl, (g) → 2 MCI, (s) ΔΗ kJ
From the change in internal energy, AE, given for 40 °C, calculate the change in enthalpy, AH, at the same temperature for the reaction: N202 (g) → N2 (g) + O2 (g) AE = -151.3 kJ O -153.2 kJ -153.8 kJ O -155.2 kJ O -148.7 kJ O -151.3 kJ A Moving to another question will save this response. MacBook Air 吕口 F3 F4 F5 F6 # $4 3. 4 6.
4
How many moles of butane, C4H10(l), must be burned to produce 234 kJ of heat under standard state conditions? (The heat of combustion for butane is −2855.7 kJ/mol.)