February 7, 2016

Search: Write a balanced chemical equation for the combustion reaction of C2H6O2

Number of results: 56,113

what volume (in L) of 0.150 M KCl solution is required to completely react with 0.150 L of a 0.175 M Pb(NO3)2 solution according to the following balanced chemical equation? 2KCl (aq) + Pb(NO3)2 (aq) --> PbCl2 (s) + 2 KNO3 (aq)
June 21, 2010 by samantha

how do you write the chemical equation for liquid pentanol (C5H12O) and gaseous oxygen ? Thanks ~Samantha~
November 29, 2010 by Samantha

The left side of a balanced chemical equation is shown below: K2Cr2O7 + 4H2SO4 + 3SeO2 If 0.600 moles of K2Cr2O7, 2.800 moles of H2SO4 and 1.500 moles of SeO2 are brought together and allowed to react, then
October 18, 2013 by Anonymous

What type of reaction is CS2(g)+O2(g)= CO2(g)+S2O4(aq)+HEAT? A) Synthesis B) Decomposition C) Single Replacement D) Double Replacement E) Combustion F) Redox Reaction Thank You ^_^/ I really appreciate it!
December 7, 2011 by Claire

The value of the equilibrium constant, Kc, at a certain temperature is 8.33 x 10-4. Would the reaction as represented by the chemical equation favor reactants or products? Enter P or R. Cl2CO(g) = CO(g)+Cl2(g)
October 2, 2013 by Chemistry

The complete combustion of butane, (g) is represented by the equation C4H10+13/2O2->4CO2+5H20 STANDARD ENTHALPY IS -2877KJ/MOL How much heat, in kilojoules, is evolved in the complete combustion of 12.8L C4H10 at 23.8degrees celsius and 744mmhg ?
October 8, 2008 by tomi

Malic acid is a weak diprotic organic acid with K1 = 4.0x 10-4 and K2 = 9.0 x 10-6. (a) Letting the symbol H2A represent malic acid, write the chemical equations that represent K1 and K2 . Write the chemical equation that represents K] xK2 . (b) Qualitatively describe the ...
December 15, 2014 by pinky

What is a balanced equation for the reaction of aluminium selenide with water? Assume that aluminum hydroxide and hydrogen selenide are being formed. Then work out the balance.
February 19, 2007 by sarah

Iron metal reacts with oxygen gas to form rust, iron (III) oxide. Which of the following correctly shows the balanced equation for this reaction?
December 2, 2015 by Bill

ap chemistry
home / study / questions and answers / science / chemistry / balance the following example of a heterogeneous ... Your question has been answered! Rate it below. Let us know if you got a helpful answer. . Question Balance the following example of a heterogeneous equilibrium ...
September 29, 2015 by martika

For the balanced redox reaction 2 Al(s) + 3 Br2(g) → Al2Br6(s), determine the number of electrons transferred in the overall reaction.
April 14, 2014 by Sarah

The equilibrium constant for the chemical equation is K = 4.90 at 199 °C. Calculate the value of the Kc for the reaction at 199 °C. N2(g)+3H2(g)=2NH3(g) Kc=?????
November 9, 2014 by moe

consider the following balanced chemical reaction: 2 Col3+3 K2S-> Co2S3+6 Kl assuming all that can react will react, how many grams of cobalt (III) sulfate will form when 1318.89 grams of cobalt (III) iodide are combined with 551.35 grams of potassium sulfide?
October 11, 2010 by kayla

The complete combustion of propane, C3H8(g), is represented by the equation: C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(l) ΔH° = -2220 kJ How much heat is evolved in the complete combustion of 20.0 L C3H8(g) at STP?
May 14, 2014 by leah

Under conditions of high temperature, two protons could combine to form a deuterium necleus in the following reactions: p + p ----> 2H + e+ + ve + energy Write the equation for this reaction in terms of the nucleons involved by replacing the deuteriu nucleus with the ...
April 26, 2007 by Joanne

AP Chem
Complete and balance each of the following molecular equations, including phase labels, if a reaction occurs. Then write the net ionic equation. If no reaction occurs, write NR after the arrow. H2CO3(aq)+Sr(OH)2(aq) -> this is what I put but I think its wrong H2CO3(aq)+Sr(...
November 3, 2008 by Anna

I need chemistry help. I think 1. c, 2.b, & 3.a (please tell me why or why not and help me set up the problems if possible) 1.) The following half reaction has been balanced except for the electrons. How many and where should the electrons be included? 14 H+(aq) + Cr2O72-(aq...
November 30, 2014 by Tyler

When a mixture of 10.0 g of acetylene and 10.0 g of oxygen is ignited, a complete combustion of the reactants takes place. What is the limiting reagent of this reaction? How many grams of each of the reactants and products are present at the end of the reaction?
October 10, 2011 by Destiny

when 2.76 (0.0200 mol) of k2co3 was mixed with 30.0 ml of approximately 2 M HCL the temperature rose by 5.2 C how do i write a balanced equation for problems like this?
February 18, 2010 by cindy

Grd.10 Science
So i did a science lab today, and i am supposed to come up with the skeleton equation for it The chemical reaction is decomposition (starting with one compound that will break off into 1 or more compounds after reaction) This is what i have so far : Cu (CO3) ---> CO2 + ____...
November 5, 2009 by Dawn

Write balanced chemical equations (using symbols) for the following reactions 1.hydrochloric acid reacts with magnesium to form magnesium chloride and hydrogen 2.Nitrogen monoxide burns in oxygen to form nitrogen dioxide
May 21, 2014 by Lesedi

Chemistry-PLEASE HELP!!!
Give a full balanced nuclear equation fro the synthesis of xenon-133. A full balanced nuclear equation includes α particles, β particles, positrons and gamma rays.
April 17, 2009 by Matt

Chemistry 1115
What is the chemical equation for the reaction that occurs when you add 0.1 M NaOH solution to the HC2H3O2-NaC2H3O2 buffer solution?
November 25, 2012 by Marci

N2+3H2 <-> 2NH3, The equilibrium constant for the chemical equation is Kp = 0.143 at 225 °C. Calculate the value of the Kc for the reaction at 225 °C.
March 19, 2014 by Anonymous!!

Write the equation for the dissolution of AgCL(s) in H20(I).Express your answer as a chemical equation. Identify all of the phases in your answer. I tried writing it as AgCl <> Ag+ + Cl- but this is incorrect.
March 10, 2011 by gin

Write a total ionic equation for the reaction (if any) of FeCl2 with Cu, and for the reaction (if any) of FeCl2 solution with Al
October 16, 2011 by Stef

The electrochemical cell described by the balanced chemical equation has a standard emf (electromotive force) of -0.35 V. Calculate the value (J) for the Wmax that the cell can do under standard conditions. Round your answer to 3 significant figures. 2MnO4-(aq) + Hg22+(aq) &#...
December 3, 2010 by Roger

Write the half reaction and balanced equation for: Cl2(g) + H2(g) -> HCl(aq) so I got: 2e- + Cl2(g) -> 2Cl- H2(g) -> 2H+ + 2e- so Hydrogen is oxidized and Chlorine is reduced so for cell notation I put: Pt(s)|H2(g)|H+(aq)||Cl2(g)|Cl-(aq)|Pt(s) but the answer in the ...
May 19, 2013 by Hugh

When 11.0 g of calcium metal is reacted with water, 5.00 g of calcium hydroxide is produced. Using the following balanced equation, calculate the percent yield for the reaction? Ca(s) + 2 H2O(l) → Ca(OH)2(aq) + H2(g) 84.0% 12.3% 45.5% 24.6%
February 13, 2012 by Martese

calcium metal (Ca) can be produced by passing an electric current through molten calcium chloride. chlorine gas is also formed. what is the balanced equation for this reaction
January 2, 2013 by Anonymous

Write a differential equation describing a second order reaction – a reaction in which the rate of depletion of the concentration of the reactants depends on the square of reactants’ concentration. Solve this differential equation and hence find an expression for the ...
November 10, 2008 by Alice

(1) Why are fractional coefficients permitted in a balanced thermochemical equation? In thermochemical reactions, only small amounts of matter are considered. If fractional coefficients were not used, the scale of the reaction would be excessively large. Fractional ...
May 12, 2010 by Zacky

1.The Volume of oxygen required for the complete combustion of 500ML of ethyne at STP..A)2.00ML B)1.25 C)1.71 D)1.00 2.A Chemical Engineer finds that 250ml CuSO4 reacts with excess NaOH to create 2.37g of precipitate.Calculate the Concentration of copper(II) Sulphate solution...
June 4, 2009 by Alex

Write the chemical equation for the standard molar enthalpy of formation of periodic acid, H5IO6.
October 21, 2012 by Sam

college chemistry
The value of the equilibrium constant, Kc, at a certain temperature is 4.00 x 10-1. Would the reaction as represented by the chemical equation favor reactants or products? Enter P or R. N2(g)+3H2(g) = 2NH3(g)
October 5, 2010 by sparkle

Consider the following chemical equation. SO2(g) + O2(g) → SO3(g) What volume of sulfur dioxide gas reacts with 37.5 L of O2? The reaction conditions are 875°C and 1.00 atm pressure.
December 5, 2010 by Kalen

Consider the combustion reaction: C3H8 (g) + 5 O2(g) ---> 3 CO2(g) + 4H2O(g), where triangle symbol H= - 531 kcal/mol. If 6.70 x 10 to the 4th kcal of energy is released in the reaction, How many grams of oxygen were consumed
February 17, 2011 by sukanya

Balance the ewuation using thr oxidation number method Here is what i did Au+ + H20---> Au2O3 + Au + H+ Au+ losses 3e- to form Au2O3-->oxidation Au+ gets reduced to for Au therefore the balanced chemical equation is 3Au+ + 3H20---> Au2O3 +Au +6H+ Does it make sense?
June 13, 2010 by Adeola

N2 + 3H2 --> 2NH3 how many grams of hydrogen are needed to react with 50 grams of nitrogen? Three moles of H2 per one mole of N2. How many moles of N2 is 50 grams? 1.79 moles is 50 grams. You do these problems in steps. Step 1. Write a balanced chemical equation. You have ...
June 22, 2006 by Hawk

A solution is prepared in which a trace or small amount of Fe2+ is added to a much larger amount of solution in which the [OH-] is 1.0 x 10^-2 M. Some Fe(OH)2 precipitates. The value of Ksp for Fe(OH)2 = 8.0 x10^-10. A. Assuming that the hydroxide is 1.0 x 10^-2 M, calculate ...
April 11, 2012 by DAN

When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount of M is produced. O2M(s) ----> M(s) +O2(g) delta G= 290.5 Kj/mol When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous. What is the chemical ...
January 14, 2014 by Angela

in an experiment, ammonia gas, NH3(g) was bubbled through distilled water. Some of the dissolved ammonia gas, NH3, reacted with the water to form the aqueous ammonia ions, NH4. When red litmus paper was placed in contact with the aqueous solution, the paper turned blue. This ...
March 4, 2013 by Joe

What is the chemical equation for the reaction of manganese metal with sulfuric acid to produce aqueous manganese (II) sulfate and hydrogen gas
February 24, 2011 by Anonymous

I am unsure about balancing equation I would like for someone to let me know if I am working this out correctly? I have to write a balanced equation for the reaction when solid magnesium is added to a solution of lead(ii)nitrate, solid lead forms and the magnesium disappears ...
April 14, 2014 by jazz

I am working on a five-part question and I just need help with the last part. I'm not sure where to begin with that one. I pasted the question and answers (for a-d) to the other parts below. Thank you! Consider the proposed mechanism for the reaction between nitrogen monoxide ...
April 14, 2015 by Lisa

For the following reaction in acidic solution. Cr2O7^2- + I- ---> Cr^3+ + IO3- give the balanced half reduction reaction. Indicate the oxidizing species.
June 17, 2013 by Annie

Which of these shows the correct balanced half-reaction for the following? The reaction takes place in acidic solution. C2O42–(aq) → CO2(g)
November 5, 2014 by sad

Chemistry (Check and Help)
Determine the type of chemical reaction, find the limiting reagent, determine the amount of product in grams, and the amount in grams of excess reagent. 6.95 moles of glucose C6H12O6(s) is combusted with 7.54 moles of O2 gas (both products!) C6H12O6(s) + 6O2(g) --> 6CO2(g...
November 2, 2015 by Anonymous

When given a chemical reaction, how would I know whether a reaction is endo or exothermic and whether work is done on the system or by the system. Without using any calculations. So I have a couple reactions which I have to use chemical reasoning to to determine. 2 Cl(g) -->...
November 20, 2007 by Raj

Many home barbeques are fueled with propane gas C3H8. What mass of carbon dioxide (in kg) is produced upon the complete combustion of 18.9L of propane (approximate contents of one 5-gallon tank)? Assume that the density of the liquid propane in the tank is 0.621g/ml. How do I ...
October 14, 2007 by K

1. If you became confused and did not know whether a flask contains an aqueous layer or an organic layer, how would you find out which it is? 2. Write a balanced reaction for the reaction of Aspirin is precipitated from the basic aqueous solution by the addition of HCl. 3. ...
September 17, 2012 by Cassie

The equilibrium constant (Keq) is the ratio of ____ concentrations to ____ concentrations at equilibrium, with each concentration raised to a power equal to the number of ____ of that substance in the balanced chemical equation.
May 7, 2010 by MEGAN!!!!!!!!!!!

Lead can be extracted from lead(II) sulfide, PbS, in two stages. Stage 1: Lead(II) sulfide is heated in air. It reacts with oxygen to produce lead(II) oxide and sulfur dioxide. Stage 2: The Lead(II) oxide is then heated in a blast furnace with coke. (a) Write a chemical ...
April 22, 2013 by Qindan

after starting with 0.343g Al and excess HCl the volume of H2 gas collected over water was 472ml. the atmospheric pressure was 754 mmHg and the temp was 21c. 1 balanced chemical equation? 2calculate the pressure in atm of dry hydrogen gas in a mixture
April 18, 2013 by TJ

State the type of reaction. Predict the products of the reactions. I have no clue how to do this any help? C3H8 + O2 ---> Mg + HCl ---> AgNO3 + NaCl ---> CuSO4 + Zn ---> How much of this do you know how to do? Just checking answers. Give us your answers and we ...
March 20, 2007 by Paul

chemistry(check my answer)
The overall rate of a chemical reaction is determined by a)the slowest step in the reaction mechanism. b)the fastest step in the reaction mechanism. c)ΔG for the overall reaction. d)the last step in the reaction mechanism. e)the first step in the reaction mechanism. is it...
May 16, 2010 by bme1

BrO3^-(aq)+Sn^2+(aq)+ ____ -->Br^-(aq)+Sn^4+(aq)+ _____ H20(l)and H^+(aq) are involved in the reaction. What are the coefficients of the six species in the balanced equation above? Remember to include coefficients for H2O(l) and H+(aq) in the appropriate blanks.
March 9, 2010 by Anonymous

What is the balanced net ionic equation for the following reaction: 2 NH4Cl + Ba(OH)2 = 2H2O + BaCl2 + 2 NH3 i got 2NH4^+ +2OH- = 2H2O + 2NH3 but it keeps telling me i'm wrong
November 13, 2010 by Harry

What is the approximate volume of 0.095 M HCl needed to neutralize 0.25g of sodium carbonate. Hint: Write a balanced equation first.
September 21, 2011 by Nikkie

How do I write a balanced equation for the following...Sulfur trioxide gas is bubbled through 125ml of a 0.165M sodium hydorxide solution?
April 12, 2012 by Cindy

The following soluble salts are strong electrolytes. For each, write a balanced equation for their dissociation in water. a. LiBr b. NaNO3 c. FeCl3 d. Mg(NO3)2
November 23, 2012 by Boo Boo

Write a balanced nuclear equation for the positron emission of each of the following radioactive isotopes: silicon-26,mercury-188,7737Rb,9345Rh
December 5, 2013 by lana

What mass of carbon dioxide will be produced when 0.250 mol of propane(C3H8) reacts with 25.0 g of oxygen? Write a balanced equation first.
December 6, 2014 by Micky

I can not determine the answer for this problem...can someone please help me? Determine the number if moles of MgO that form from the reaction of 4.4 moles of O2 in the following unbalanced reaction: Mg + O2 ----> MgO The balanced equation is: 2Mg + O2 -----> 2MgO a. 1.1...
September 10, 2009 by Jessica

When nitroglycerin (C3H5N3O9) explodes, it decomposes into the following gases: CO2, N2, NO, and H2O. If 239g of nitroglycerin explodes, what volume will the mixture of gaseous produces occupy at 1.00 atm pressure and 2678oC? a. Write a balanced equation for the reaction. b. ...
April 27, 2014 by Suzanne

Which of the following species is the strongest oxidizing agent under standard state conditions? a. Ag+(aq) b. H2(g) c. H+(aq) d. Cl2(g) e. Al3+(aq) An oxidizing agent is a substance that gains electrons in a redox chemical reaction. I think Al3+ has a very high electron ...
March 10, 2009 by Jason

Acetylene gas, C2H2, reacts with oxygen according to the following equation. If 46.0 g of acetylene reacts with 100.0 g of oxygen, what is the theoretical yield of heat produced from the reaction? ___ C2H2(g) + ___ O2(g) → ___ CO2(g) + ___ H2O(g); balanced reaction ...
December 12, 2014 by Laura

Sodium carbonate reacts with hydrochloric acid as shown below in an unbalanced chemical equation. What mass of CO2 is produced from the reaction of 2.94g Na2CO3 with excess HCL?
August 3, 2011 by Astrid

balance any 25 chemical equation and write the name of the reactant and the product. mention the catalist when ever required.
June 19, 2010 by priya

Write a chemical equation for Sr(OH)_2(aq) showing how it is a base according to the Arrhenius definition. I came up with Sr(OH)_2 (aq)--> Sr^+(aq) + OH ^- (aq). is this the final answer?
October 4, 2010 by moe

Write a chemical equation representing the second ionization energy for lithium. use e- as the symbol for an electron.
April 1, 2013 by anonymous

Write the chemical equation to represent what happens when a small piece of pottasium is dropped in a beaker of water.
November 12, 2014 by ruth oluwayomi

A buffer is made by dissolving HC2H3O2 and NaC2H3O2 in water. Write an equation that shows how this buffer neutralizes added acid. Express your answer as a chemical equation. Identify all of the phases in the answer.
December 3, 2012 by amanda

what is the oxidation half-reaction in the following chemical reaction? fe(s) + 3 agno3 -> ag + fe(no3)3
April 3, 2014 by Anonymous

How many milliliters of O2 are consumed in the complete combustion of a sample of hexane, C6H14, if the reaction produces 325 mL of CO2? Assume all gas volumes are measured at the same temperature and pressure. The reaction is 2C6H14(g) + 19O2(g) -> 12CO2(g) + 14H2O(g)
July 8, 2014 by Luke

Chemistry DR BOB help!!
I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? (thank you) HINT To balance the equation, make sure that the number of each atom on the reactant side is the same as the number on the product side. Should the enthalpy change for this ...
October 20, 2015 by patrick

Chemistry DR BOB help!!
I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? (thank you) HINT To balance the equation, make sure that the number of each atom on the reactant side is the same as the number on the product side. Should the enthalpy change for this ...
October 20, 2015 by patrick

The overall rate of any chemical reaction is most closely related to a) the number of steps in the reaction mechanism b)the overall reaction c) the fastest step in the reaction mechanism d)the slowest step in the reaction mechanism e) the average rate of all the steps in the ...
July 21, 2010 by Bobby

What chemical compound is formed in the reaction when 6M HCl and 1M NaOH is reaction?
August 30, 2012 by Sheila

I am taking an online chemistry class and I do not at all understand how on earth how to do stoichiometry. I just dont get it, its not that I dont know how to do the math, but figuring out how to ger the information. PLEASE HELP!! When 11.7 grams of iron and 212.7 grams of ...
July 10, 2008 by Kesiah

Reaction Mechanism Formation of hydrogen bromide takes place as: H2 + Br 2<- 2HBr -> If the chemical reaction has occured by a mechanism that involves more than one step. What is the reaction occurs by the given mechanism?
September 3, 2010 by prethy

Which of the following statements is not true? 1.Chemical equilibria are examples of reversible processes. 2.When multiple reaction steps are in equilibrium, then the equilibrium constant for the net reaction is the product of the individual reactions. 3.The equilibrium ...
February 25, 2015 by danny

Q3: In the combustion reaction of 149g of propane(C3H8) with excess oxygen, what volume of carbon dioxide(CO2) is produced at STP? (note: balance the reaction first) C3H8 + O2  3CO2 + H2O
December 8, 2013 by b

Chemistry 143
Write three thermochemical equation needed to calculate delta H for the following reaction: 2Mg(s) + O2(g) = 2MgO Include delta h values in kJ for each reaction. Please help!! I don't even know were to start!!
April 26, 2010 by Shana

How many grams of hydrochloric acid should we use so we have exactly enough to react with 40g of sodium hydroxide? You'll need to write a chemical reaction, balance it, and then perform your calculation.
June 19, 2014 by Sally

The molar enthalpies of combustion of CH3COCOOH(l)CH3COOH(l) and CO(g) are respectively -1275kJ/mol, -875kJ/mol, and -283kJ/mol. What is the enthalpy change for the reaction below? CH3COCOOH= CH3COOH+CO a)1867kJ b)-1867kJ c)117kJ d)-117kJ e)-2433kJ I think it's d) Consider the...
July 24, 2010 by Bobby

In a chemical reaction, A and B reacts to form D. C is the intermediate product of this reaction. Percent yield of the reaction A+B->C is 50% and the percent yield of the reaction C->D is 90%. How many moles of D can be produced when 14 moles of A and B react?
October 5, 2014 by bekah

After writing a balanced equation for the reaction between magnesium and hydrochloric acid, calculate the mass of magnesium needed to produce 90ml of hydrogen gas @ STP conditions.
December 9, 2010 by Tiffany

Chem 1A
The following reaction occurs in aqueous acid solution: NO3– +I– →IO3– +NO2 In the balanced equation, using the smallest whole-number coefficients, what is the coefficient of NO3–?
November 12, 2012 by Parkin

How many moles of ammonia gas can be formed from the complete reaction of 44.8 liters of nitrogen gas at standard temperature and pressure (STP), according to the balanced equation, N2 (g) + 3H2 (g) arrow 2NH3 (g)?
March 13, 2014 by Diana

When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount of M is produced. O2M(s) ----> M(s) +O2(g) delta G= 288.9 Kj/mol When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous. What is the chemical ...
March 14, 2012 by Jerry

this is a question about how to write the reaction for mixing solid KOH with aqueous HCl...when i physically mixed the two there was gas formation (bubbles and heat were given off) but when i write the equation out i don't get where the gas is. the equation i got is: KOH(s) + ...
September 14, 2007 by annonymous

Suppose if u were a teacher and you are telling the student to to write about the chemical element .What would you tell them to write about that chemical element?
October 12, 2009 by alica

I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? Is this a typo?(thank you) HINT To balance the equation, make sure that the number of each atom on the reactant side is the same as the number on the product side. Should the enthalpy ...
October 21, 2015 by patrick

Chem answer check
Does this look correct? Thx! Write the balanced equation for the reaction between solid copper and silver nitrate, that produces solid silver and copper(II) nitrate in solution. Include your experimentally determined mole ratios for the copper and silver atoms as coefficients...
February 15, 2010 by Kelsey

A chemical reaction takes place in a container of cross-sectional area 100 cm2. As a result of the reaction, a piston is pushed out through 19 cm against an external pressure of 630 torr. What is the value for w for this reaction? (Sign does matter.) Answer in units of J
November 7, 2011 by Broy

how to obtain the kinetic data for this reaction 2NO3+2H2>2H2O+N2 HOW TO PERFORM THIS REACTION IN LAB.
April 19, 2010 by assia

state two ways of decresing the reaction rate of a gas phase chemical reaction.
November 23, 2011 by michael

Please help me explain How a nuclear reaction differs from a normal chemical reaction and give examples.
August 6, 2012 by Elie

URGENT!!! what is the chemical reaction of hyrodgen peroxide + NH3 ... The chemical formula and written formula!!
October 2, 2008 by tiffany

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