J 3) If 4.00 g of iron metal are reacted in a calorimeter with a heat capacity of 400. C' what would be the final temperature of the calorimeter if its initial temperature were 23.0°C? General Chemistry I Laboratory Manual, 201 2) Calculate AH for the reaction below using Hess' law. 2C2H6(g) 2C2H2(g) + 4H2(g) AH=? 2C2H2(g) +502(g)> 4CO2(g) + 2H20(1) AH -2600 kJ 2H2(g) + O2(g) 2H20(1) AH -572 kJ C2H6(g) +7/2O2(g) 2CO2(g) + 3H2O(I) AH =-1760 kJ

Question
J
3) If 4.00 g of iron metal are reacted in a calorimeter with a heat capacity of 400.
C'
what would be the final temperature of the calorimeter if its initial temperature were
23.0°C?
Expand
Transcribed Image Text

J 3) If 4.00 g of iron metal are reacted in a calorimeter with a heat capacity of 400. C' what would be the final temperature of the calorimeter if its initial temperature were 23.0°C?

General Chemistry I Laboratory Manual, 201
2) Calculate AH for the reaction below using Hess' law.
2C2H6(g) 2C2H2(g) + 4H2(g)
AH=?
2C2H2(g) +502(g)> 4CO2(g) + 2H20(1)
AH -2600 kJ
2H2(g) + O2(g)
2H20(1)
AH -572 kJ
C2H6(g) +7/2O2(g)
2CO2(g) + 3H2O(I)
AH =-1760 kJ
Expand
Transcribed Image Text

General Chemistry I Laboratory Manual, 201 2) Calculate AH for the reaction below using Hess' law. 2C2H6(g) 2C2H2(g) + 4H2(g) AH=? 2C2H2(g) +502(g)> 4CO2(g) + 2H20(1) AH -2600 kJ 2H2(g) + O2(g) 2H20(1) AH -572 kJ C2H6(g) +7/2O2(g) 2CO2(g) + 3H2O(I) AH =-1760 kJ

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Physical Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: A 2.79 M ZnCO3 solution has a volume of 3.07 L. It is diluted to a volume of 6.049 L. What is the mo...

A: Given,Initial volume of ZnCO3 (V1) =3.07 L= 3070mLFinal volume of ZnCO3 (V2) =6.049 L= 6049 mLThe in...

Q: Part A In terms of their attractive forces, explain why fats are solids but oils are liquids under n...

A: Fats and oils are known as one of the most abundant triglycerides as these are esters which are comp...

Q: Consider the combustion reaction for octane (C8H18),(C8H18), which is a primary component of gasolin...

A: Moles of octane can be calculated as given below.

Q: question 14. provide the structure for the final product (D), in the following reaction sequence

A: Click to see the answer

Q: Calculate the pH in the titration of 50.00ml of 0.060 M of benzoic acid with a 0.120 M sodium hydrox...

A: Given:Titration of 50.00 mL of 0.060 M benzoic acid with 0.120 M sodium hydroxide.Consider benzoic a...

Q: a Express the following measurement in scientific notation 2574.2 mL 2574.2 x 103 mL 2.5742 x 103 mL...

A: The following measurements are to be expressed in scientific notation-2 mL0001 g7° C

Q: Solid urea, (NH2)2CO, burns to give CO2,N2, and liquid H2O. Its heat of combustion is -632.2 kJ/mol....

A: The balanced combustion reaction of urea is as follows:

Q: Using standard heats of formation, calculate the standard enthalpy change for the following reaction...

A: Given:NH4NO3(aq) →N2O(g) + 2H2O(l)

Q: [Review Topics] [References] Classify the following compounds as chiral, achiral (but not meso), or ...

A: Click to see the answer

Q: For the given reaction, what volume of Br2 would be required to react with 6.4Lof NO, measured at th...

A: The given reaction is

Q: Magnesium oxide can be made by heating magnesium metal in the presence of oxygen. When 10.1g of magn...

A: The balanced chemical reaction between magnesium and oxygen is shown as,

Q: Sodium Borohydride Reduction @ the bottom of the page #1 and #2

A: Sodium Borohydride is a weaker reducing agent as compared to lithium aluminum hydride.It only reduce...

Q: Calculate the wavelength of the following frequencies of electromagnetic radiation. 101.8 MHz (typic...

A: Frequency of radiation can be calculated using the given equation:

Q: Why is it not necessary to know the mass of the volatile liquid initially added to the flask? What a...

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

Q: 1. Write balance complete molecular equation, balance, and identify the states of matter when each o...

A: (a)The complete balanced molecular equation of Pb(NO3)2 and Na2S (double replacement) is

Q: Draw 5-ethyl-7-methyldec-3-yne

A: The structure of the compound 5-ethyl-7-methyldec-3-yne.

Q: Calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of 6.3...

A: Given:Frequency ( ν)  = 6.32 × 1014 Hz.c = 3 X 108 m/sCalculate the wavelength(λ) (in nm) ?

Q: It ask that I use a rulet to determine the Rf values for each dye in the mixture. Is this correct? A...

A: Rf is stand for retardation factor. It is the ratio of distance covered by solute to the distance co...

Q: Please explain as much as possible. Why did you use the equation? Or what conditions did you see fro...

A: According to first and second law of thermodynamics,

Q: Aqueous hydrochloric acid (HCI) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

A: Given: Mass of water = 10.1 gMass of HCl = 28.1 gMass of NaOH = 40 g% yield of water =?Balanced chem...

Q: 1. Write balance complete molecular equation, balance, and identify the states of matter when each o...

A: The balanced equation is:

Q: A chemistry graduate student is given 450.mL of a 0.30M chloroacetic acid  (HCH2ClCO2) solution. Ch...

A: Given that 450 m L of 0.30 M chloroacetic acid is present and the Ka value of chloroacetic acid is 1...

Q: If a 50.0 gram piece of copper is heated to 100oC and then put into a vessel containing 50.0 grams o...

A: The number of moles of Cu (n1) is calculated as follows:

Q: Calculate the number of moles of precipitate that would be produced when two solutions were mixed. a...

A: PbI2 is precipitated when Pb(NO3)2 and KI.

Q: Performing a saponification on a triacylglycerol generates soap.  A. True  B. False  C. Depends on t...

A: A triglyceride can be defined as an ester that has been derived from glycerol and three fatty acids ...

Q: Calculate ΔH° for the process Sb(s) + 52Cl2(g) ⟶ SbCl5(s) from the following information: Sb(s) ...

A: According to the Hess’s law of Constant heat Summation, regardless of the number of steps or stages ...

Q: g. h.

A: Given that,

Q: 6. A stock solution of barium hydroxide was prepared by dissolving 4.71 g of barium hydroxide in 550...

A: A stock solution of barium hydroxide is prepared by dissolving 4.71 g of barium hydroxide in 550 mL ...

Q: In the reaction of silver nitrate with sodium chloride, how many grams of silver chloride will be pr...

A: The balanced equation and the moles of silver nitrate formed can be given as

Q: A reaction vessel contains an equilibrium mixture of SO2, O2, and SO3. The reaction proceeds such th...

A: Given:The partial pressures at equilibrium:PSO2​​=0.001312 atm PO2​​=0.003132 atm  PSO3​​=0.0166 atm...

Q: Calcium oxide (CaO), an important ingredient in cement, is produced by decomposing calcium carbonate...

A: Click to see the answer

Q: How many grams of KNO3 (molar mass = 101.103 g/mol) should be used to make 125.0 mL of 0.030 M solut...

A: Given,Molarity of the solution = 0.030M.Volume of the solution = 125.0mL = 0.125L.

Q: How do I balance my equation "2H++e-->H2"?

A: The following equation is to be balanced-2H+ + e-→ H2

Q: Saved Rank the following compounds in order of increasing boiling point. OH OH OH Increasing boiling...

A: Boiling point of alcohol is given by:tertiary alcohol < secondary alcohol < Primary alcohol

Q: Electronic transitions, for the n=3 to n=2

A: For electronic transition from n = 3 to n = 2 the E difference value is determined as follow,

Q: Write the chemical formula for ammonium phosphide |3+ 4+ 3 2 2+ 1 2 3 5 6 7 8 9 0 1 3 5 7 (aq) (s) (...

A: Ammonium phosphide is an inorganic compound.

Q: A sample of a saccharide turns dark blue with subjected to the starch iodine test. What does this re...

A: Iodine test is usually performed for the detection of the starch which is a polysaccharide in the gi...

Q: During a breath, the average human lung expands about 0.50L. If this expansion occcurs against an ex...

A: Work in thermodynamics is the amount of energy that is transferred from one system to another system...

Q: 1. Acetate buffers are used in biochemical studies of enzymes and other chemical components of cells...

A: Since in question it is given that Ka = 1.8×10-5As, pKa = -log KapKa = -log(1.8 ×10-5)pKa = 4.74The ...

Q: For the aqueous [Cu(NH3)4]^2+ complex =Kf=5.6x10^11 at 25°C.Suppose equal volumes of 0.0058M Cu(NO3)...

A: The overall formation constant for the reaction is shown in equation  (1) in which Kf is the overall...

Q: Gaseous ethane (CH3CH3) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide(CO2) a...

A: Click to see the answer

Q: Balance the equation by inserting coefficients as needed. equation: Al4C3+HCl⟶AlCl3+CH4

A: For a given chemical reaction, the term chemical equation can be defined as its symbolic representat...

Q: How many moles of phosphine are prepared from 7.00 moles of Ca3P2?

A: Phosphine can be prepared by the reaction of calcium phosphide and water. The balanced reaction of f...

Q: Gaseous water (H20) and solid magnesium oxide (MgO) are formed by the decomposition of solid magnesi...

A: Click to see the answer

Q: Each day, the stomach produces 2.0 L of gastric juice that contains 0.10 M HCl. Phillips Milk of Mag...

A: Given that the volume of gastric juice produced is 2L.The molarity of HCl present in gastric juice i...

Q: An analytical chemist is titrating 226.0mL of a 0.8900M solution of diethylamine ((C2H5)2  NH) with ...

A: Given that,

Q: Orbital Notes.pdf Mail Sydney. Brown@stma b My Questions bartleby 6.8 Extensions of Electro X Colleg...

A: Cobalt in the given complex has +3 oxidation state and with this oxidation state, the electronic con...

Q: A 0.119 M MgCO3 solution is made from 6.09 g of solute? What is the volume of the solution?

A: Given that,Mass of magnesium carbonate =6.09gMolar mass of magnesium carbonate=84.3139g/mole