Propane (C3H8) burns according to the following balanced equation: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) Calculate ΔH∘rxn for this reaction using standard enthalpies of formation. (The standard enthalpy of formation of gaseous propane is -103.9 kJ/mol.)

70,259 results
1. chemistry

If 120. g of propane, C3H8, is burned in excess oxygen according to the following equation: C3H8 + 5O2  3CO2 + 4H2O, how many grams of water are formed?

2. chemistry

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?

3. Chemistry

Consider the combustion of propane: C3H8(g)+5O2(g) yields 3CO2(g) + 4H2O(l) delta H= -2221 kJ Assume that all of the heat comes from the combustion of propane. Calculate delta H in which 5.00g of propane is burned in excess oxygen at constant pressure.

4. chemistry

what mass of oxygen would be required to completely burn 6.75 g of propane in the following reaction? C3H8+5O2 => 3CO2+4H2O * please help

5. Chem

The combustion of propane (C3H8) produces CO2 and H2O: C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g) The reaction of 3.5 mol of O2 will produce ________ mol of H2O.

6. Chemistry - Combustion

The standard enthalpies of formation of gaseous propylene (C3H6) and propane (C3H8) are +20.4kJ/mol and -103.8 kJ/mol. Their respective combustion reactions may be written as follows, where one mole of either gas is consumed by oxyen to yield carbon

7. Chemistry

Propane, C3H8, is a common fuel gas. Use the following to calculate the grams of propane you would need to provide 383 kJ of heat. C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(g) ΔH = −2043 kJ

8. Chemistry

Write a balanced equation for the combustion of gaseous propane (C3H8), a minority component of natural gas, in which it combines with gaseous oxygen to form gaseous carbon dioxide and gaseous water. I answered C3H8 + 5O2 = 3CO2 + 4H2O but it was wrong,

9. Science

Which of the following reactions does not involve oxidation-reduction? a). C3H8 + 5O2 → 4H2O + 3CO2 b). Mg + 2HI → MgI2 + H2 c). Ba + 2H2O → Ba(OH)2 + H2 d). MnO2 + 4HI → I2 + 2H2O + MnI2 e). NaOH + HI → H2O + NaI

10. Chemistry

How many grams of carbon dioxide are produced in C3H8+5O2 -> 3CO2+4H2O

11. Chemistry

Propane and oxygen react according to the following equation. C3H8(g) + 5O2>>>3CO2(g) + 4H2O(g) Calculate the volume of carbon dioxide and water vapour produced and the volume of oxygen remaining, when 20.0 dm3 of propane reacts with 120.0 dm3 of oxygen.

12. Chemistry

The equation shows the complete combustion of propane. C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(i) Which statement is correct? A) 10cm3 of propane cannot burn if less than 50cm3 of oxygen is present. B) 10cm3 of propane would produce 40cm3 of liquid water. C)

13. Chem 2

Propane (C3H8) burns in oxygen to produce carbon dioxide and water vapor. The balance equation for this reaction is C3H8 + 5O2 ----> 4H20 + 3CO2. What volume of carbon dioxide id produced when 2.8 L of oxygen are consumed? Here are the steps for solving

14. chemistry

for the reaction: c3h8+5o2=3co2 +4h2o how many moles of o2 will be produced in the complete combustion of 0.75 moles of c3h8? I think the ans is 2.25 moles of co2, but i am not sure because i still don't think I understand this fully please help

15. chemistry

Given the reaction: C3H8(g) + 5O2(g) ¨ 3CO2(g) + 4H2O(g) What is the total volume of H2O(g) formed when 8.00 liters of C3H8(g) is completely oxidized?

16. Chemistry

Given the equation C3H8+5O2->3CO2+4H2O. 1.)Suppose 1.5 moles of C3H8 will be used, How many moles of H2O and CO2 will be formed? 2.)what volumes (at STP) of O2 and CO2 are involved?

17. chemisty

Many home barbecues are fueled with propane gas (C3H8). How much carbon dioxide in kilograms is produced upon the complete combustion of 18.9 L of propane (approximate contents of one 5-gal tank)? Assume that the density of the liquid propane in the tank

18. Chemistry

Propane (C3H8) burns according to the following balanced equation: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) Calculate ΔH∘rxn for this reaction using standard enthalpies of formation. (The standard enthalpy of formation of gaseous propane is -103.9 kJ/mol.)

19. Chemistry

Calculate the DELTA H(rxn), DELTA S(rxn), DELTA S(universe), DELTA G(rxn). For each system below indicate whether DELTA S and DELTA H are positive or negative. Then indicate if the reaction is entropy driven, enthalpy driven or neither. C3H8(g) + 2O2(g) =>

20. chemistry

Give delta H for the combustion of propane: C3H8+5O2+3CO2+4H20 +530KCAL delta h= -530 KCAL But how do i figure out how to get this answer? Thanks!

21. chem

from the equation : c3h8+5O2=3CO2+4H20 HOW MANY GRAMS OF H2O CAN BE PRODUCED FROM THE REACTION OF 8.5X10^22 MOLECULES PROPANE GAS, C3H8

22. Chemistry

C3H8 + 5O2 --> 3CO2 + 4H2O which chemical or element has the largest nu,ber of molecules in the above balanced equation? Oxygen? I think

23. Chem

Could someone please walk me through step by step on how to do this. Propane (C3H8) burns in oxygen to produce carbon dioxide and water. C3H8(g) + 5 O2(g) 3 CO2(g) + 4 H2O(g) Calculate the mass of CO2 that can be produced if the reaction of 48.2 g propane

24. chemistry

Examine the equation. C3H8(g)+5O2(g)→3CO2(g)+4H2O(l) In the equation shown, what is the number 4 an example of? reactant chemical formula coefficient product is it c?

25. Chemistry

C3H8 + 5O2 --> 3CO2 + 4H2O what are the oxidation #'s of each? What is being oxidized? reduced? Please explain

26. Chemistry

A propane stove burned 470. grams of propane and produced 625 milliliters of water. What is the % yield? C₃H₈+5O₂ -> 3CO₂+ 4H₂O

27. chemistry

Propane fuel is used in BBQs. Use the following reaction to determine how many moles of oxygen gas are needed to react with 1.6 moles of propane gas. C3H8(g)+5O2(g) --------> 4H2O(g)+ 3CO2(g)

28. chemistry

the combustion of propane produces carbon dioxide and steam C3H8(g)+5O2(g) 3CO2(g)+4H2O(g)

29. Chemistry

The combustion reaction of propane is described by the reaction. C3H8 + 5O2 → 4H2O + 3CO2. How many moles of O2 are required to generate 3 moles of CO2? 2.5 moles 3 moles 4 moles 5 moles

Given the following equation, C3H8 (g) + 5O2 (g) -> 3CO2 (g) + 4H2O (g); H comb = -2219 kJ/mole A) how much heat will be released when 10 g of propane is burned? B) how much heat will be released when 10 g of water (H2O) is formed? Please show all work.

31. chemistry

What mass of propane (C3H8) is needed to produce 346g carbon dioxide in the following reaction? C3H8(g)+5O2(g)---> 3CO2(g) +4H2O(g) A. 115g C3H8 B. 1.86g C3H8 C. 5075g C3H8 D. 346g C3H8

32. chemistry question

What mass of propane (C3H8) is needed to produce 346 g carbon dioxide in the following reaction? C3H8(g) + 5O2(g) -> 3CO2(g) + 4H2O(g) A. 346 g C3H8 B. 115 g C3H8 C. 5075 g C3H8 D. 1.86 g C3H8

33. Chemistry

Calculate the number of grams of propane (C3H8) consumed if 17.7 g of water is produced according to the reaction: C3H8(g)+5O2(g)=3CO2(g)+4H2O(g)

34. CHEM

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

35. Chemistry

What mass of propane (C3H8) is needed to produce 346g carbon dioxide in the following reaction? C3H8(g)+5O2(g)->3CO2(g)+4H2O(g) A. 68.8gS B. 3.07gS C. 13.5gS D. 41.0gS

36. chemistry

The combustion of propane (C3H8)produces CO2 and H20: C3H8(g)+5O2(g) 3CO2(g)+4H2O(g) Calculate the mass, in grams, of H2O that will be produced if 2.5 mol of O2 is consumed.

37. Chemistry

How much heat would be released by the complete combustion of 35.0 g of propane, C3H8? (The molar mass of propane is 44.09 g/mol.) C3H8 + 5O2 --> 3CO2 + 4H2O LaTeX: \Delta Δ H = -2044 kJ

38. Chemistry

In the following reaction, how many liters of oxygen will react with 124.5 liters of propane (C3H8), at STP? C3H8 + 5O2 = 3CO2 + 4H2O

39. Chemistry

C3H8 + 5O2 3CO2 + 4H2O How many grams of oxygen are required to burn 7.0 g of C3H8?

40. chemistry

For the reaction C3H8+5CO2=3CO2+4H2O How many grams of O2 react with 8.80grams of C3H8? I think the ans is 32.0gO2

41. Chemistry

Give the following reaction,find the mass of oxygen required to produce 13grams of CO2; C3H8+5O2--->3CO2 + 4H2O

42. chemistry

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

43. chemistry

In which reaction does the smallest percentage change in volume occur? a) C3H8 (g) + 5O2(g) ---> 3CO2(g) + 4H2O(l) b) 4NH3(g) + 3O2(g) ----> 2N2(g) + 6H2O(l) c) CH4(g)+ 2O2(g) ----> CO2(g) + 2H2O(l) d) 2H2S(g) + SO2 (g) ----> 3S(s) + 2H2O(l) The correct

44. Chemistry

Calculate the mass of propane, C3H8(g), that must be burned in air to evolve the same quantity of energy as produced by the fusion of 1.0 g of hydrogen in the following fusion reaction: 4H ---> He + 2e- Assume that all the products of the combustion of

45. Chemistry

Oops I posted the right question but wrong answer options... What mass of propane (C3H8) is needed to produce 346g carbon dioxide in the following reaction? C3H8(g)+5O2(g)->3CO2(g)+4H2O(g) A. 346g C3H8 B. 115g C3H8 C. 5075g C3H8 D. 1.86g C3H8

46. chemistry (combustion and heat)

How much heat is evolved when 5.00g of propane C3H8 burns completely. I got the formula down, now what? C3H8 + 5O2 -> 3CO2 + 4H2O

47. Chemistry

Calculate ∆Hºf /mol for propane, C3H8(g), given the following reaction: (10 points) C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(ℓ ); ∆Hºrxn = -2219.9 kJ

48. chemistry

The propane fuel(C3H8) used in gas barbecues burns according to the following equation: C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(g) ∆Ho rxn = -2044kj If a pork roast must absorb 2200 kj to fully cook, and if only 10% of the heat produced by the barbecue is

49. Chemistry

propane(C^3H^8)is used as a fuel. Propane is a type of hydrocarbon. Write a balanced equation for the combustion of propane in oxygen. Assume that the combustion is complete. Hydrocarbons (C and H compounds of which propane is one) burn in oxygen to

50. Chemistry

Propane, C3H8, is a common fuel gas. Use the following to calculate the grams of propane you would need to provide 369 kJ of heat. C3H8 (g) + 5O2 (g) --> 3CO2 (g)+ 4H2O (g) ; Delta H = -2043kJ

51. CHEM

I am still not quite grasping how to complete this problem: Posted by K on Sunday, October 14, 2007 at 6:43pm. 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

52. Chemistry

The combustion of propane may be described by the chemical equation C3H8(g)+5O2(g)⟶3CO2(g)+4H2O(g) How many grams of O2(g) are needed to completely burn 12.3 g C3H8(g)?

53. Chemistry

The combustion of 132 g of propane, C3H8, with excess oxygen liberates 6.6x10^3 kj of heat. What is the enthalpy change for the reaction below: C3H8(g) + 5O2(g) -> 3CO2(g) + 4H2O(l)

54. chem

Consider the combustion of propane (C3H8) in the presence of oxygen: C3H8+5O2 => 3CO2+4H2O How many grams of O2 are required to react completely with 3 moles of propane?

55. Chemistry

Consider the combustion of propane (C3H8) in the presence of oxygen: C3H8+5O2 => 3CO2+4H2O How many grams of O2 are required to react completely with 3 moles of propane?

56. Chemistry

Consider the combustion of propane (C3H8) in the presence of oxygen: C3H8+5O2 => 3CO2+4H2O How many grams of O2 are required to react completely with 3 moles of propane?

57. chemistry

The combustion of propane (C3H8)produces CO2 and H20: C3H8(g)+5O2(g) 3CO2(g)+4H2O(g) Calculate the mass, in grams, of H2O that will be produced if 2.5 mol of O2 is consumed.

58. Chemistry

Which statement about the combustion of propane (C3H8) is not correct? C3H8 + 5O2 = 3CO2 + 4H2O

59. Chemistry

Consider the burning of LPG (propane C3H8)which produces carbon dioxide (CO2) and water vapor (H2O). The balanced chemical equation involving the reaction is C3H8+5O2= 3CO2+4H2O Suppose 1.5 moles of C3H8 will be used, assume the following: a. How many

60. chemistry

In a combustion reaction, propane (C3H8) reacts with oxygen. How many moles of CO2 can be produced when 2.25 mol of C3H8 react? C3H8(g) + 5O2(g) -„³ƒn3CO2(g) + 4H2O(g)

61. chemistry

Propane is used in BBQs and burns according to the following equation: C3H8 + 5O2 -> 3CO2 + 4H2O. If 2.2 moles of carbon dioxide are produced, how many moles of oxygen gas reacted?

62. chemisrty

Q5) The reaction for the combustion of propane is as follows: C3H8 + 5O2 ---->>3CO2 + 4H2O 1. If 20.0 g of C3H8 and 20.0 g of O2 are reacted, which is the limiting reactant? 2. How many grams of H2O can be produced? 3. How many grams of the excess reactant

63. Chemistry

Calculate the mass of H2O that is produced from the combustion of 13.8 mol of C3H8n propane. C3H8 + 5O2---> 3CO2 + 4H2O known: 13.8mol C3H8 unknown: mass of H2O

64. chemistry

C3H8 + 5O2 --> 3CO2 + 4H2O 22 moles of propane (C3H8) react with 200 moles of oxygen gas. how many moles of the non limiting reactant remain?

65. Chemistry

Use the following data 2C(s) + 4H2(g) --> C3H8(g) DH= -103.85 kJ/molrxn C(s) + O2(g) --> CO2(g) DH= -393.51 kJ/molrxn H2(g) + 1/2O2(g) --> H2O(g) DH= -241.82 kJ/molrxn to calculate the heat of combustion of propane, C3H8 C3H8(g) + 5O2(g) --3CO2(g) +

66. General Chemistry

c3h8+5o2 3co2+4h2o How many kg of propane only is in a 20lb tank?

67. AP Chemistry

1) Calculate the volume of air at 30 degrees C and 1.00 atm that is needed to burn completely 10.0 grams of propane. Assume that air is 21.0 percent O2 by volume. 2) Assuming all of the heat evolved in burning 30.0 g of propane is transferred to 8.00 kg of

68. Science

Consider the combustion of propane: C3H8(g)+5O2(g) yields 3CO2(g) + 4H2O(l) delta H= -2221 kJ Assume that all of the heat comes from the combustion of propane. Calculate delta H in which 5.00g of propane is burned in excess oxygen at constant pressure.

69. Chemistry

for the reaction: c3h8+5o2=3co2 +4h2o how many moles of o2 will be produced in the complete combustion of 0.75 moles of c3h8?

70. chemistry

For the reaction C3H8+5CO2=3CO2+4H2O How many moles of c3h8 are needed to make 3.6 grams of c3h8? I think the ans is 44.8molesc3h8

71. AP Chemistry

what is the maximum amount of CO2 which could be formed from 13.18 g of C3H8 and 9.15 g of O2?C3H8 + 5O2 ! 3CO2 + 4H2O,

72. chemistry

How much work is done at 1.2 atm and 316 K when 1 mole of propane undergoes combustion? C3H8 (l) + 5O2 (g) → 3CO2 (g) + 4H2O (l)

73. Science

using the equation c3h5+5o2=3co2+4h2o, calculate the mass of c3h8 that can produce 100g of h2o

74. chemistry

1 gram of C3H8 gas and 1 gram of O2 gas are delivered to a metal sphere with a fixed volume of 1 L. After the two gases are introduced, the two reactants are ignited and burned according to the balanced reaction: C3H8(g)+5O2(g)changes to 3CO2(g)+4H2O(g)

75. Chemistry

Determine the mass of carbon dioxide that will be formed when 131.0 g of propane (C3H8) is reacted with 32 g of oxygen (O2) C3H8 + 5O2 --> 3CO2 + 4H2O I got O2 as my limiting reagent. Then I used the mol of that which is 1 mol to find the mol of CO2 which

76. science

C3H8+5O2->3CO2+4H2O. Find mass of c3h8,o2,h2o if mass of co2 is 2.2gms

77. chemistry

how many moles of CO2 are produced from 2.90 moles of C3H8? C3H8 + 5O2 yields 3CO2 +4H2O

78. science

C3H8+5O2--->3CO2+4H2O is this chemical equation correct and equal? If not why?

79. Chemistry Help!!!!

Calculate S (measure of total entropy) for the following reaction at 25C and 1atm, and tell whether the entropy is increasing or decreasing. C3H8(g)+5O2(g)-> 3CO2(g)+4H2O(g) S of C3H8=64.5 cal/(mol*K) S of O2= 49 cal/(mol*K) S of CO2= 51.1 cal/(mol*K) S of

80. Chemistry

Calculate S (measure of total entropy) for the following reaction at 25C and 1atm, and tell whether the entropy is increasing or decreasing. C3H8(g)+5O2(g)-> 3CO2(g)+4H2O(g) S of C3H8=64.5 cal/(mol*K) S of O2= 49 cal/(mol*K) S of CO2= 51.1 cal/(mol*K) S of

81. Chemistry

Calculate S (measure of total entropy) for the following reaction at 25C and 1atm, and tell whether the entropy is increasing or decreasing. C3H8(g)+5O2(g)-> 3CO2(g)+4H2O(g) S of C3H8=64.5 cal/(mol*K) S of O2= 49 cal/(mol*K) S of CO2= 51.1 cal/(mol*K) S of

82. chemistry

For the reaction C3H8+5CO2=3CO2+4H2O How many grams of co2 will be produced by buring 0.15 moles of c3h8?i thoink the ans is 16.2gco2

83. chemistry

C3H8(g)+5O2(g)-->3CO2(g)+4H2O(l) what reactant is oxidized and which is reduced?

84. chemsitry

How many grams of propane (C3 H8 ) will react with 3.29 L of O at 1.05 atm and -34°C? i know the balanced eqn is 1C3H8 + 5 O2 -----> 3CO2 + 4H20 and that PV=nrt , with T= -34 + 273.15 = 239.15K. n=(PV)/(RT) (F=for O2). = 0.176 mol O2 0.176 mol O2 * (1mol

85. Chemistry

Given this equation. C3H8 + 5O2 -> CO2 + H2O. How many moles of O2 will be needed to comepletely burn 1.75 moles of propane C3H8?

86. chem!

Calculate the heat of reaction for the incomplete combustion of 67.0g propane producing carbon monoxide gas and water vapour. how would I go about and do this question? What are you studying? Do you know how to use the thermodynamic tables (delta Ho, etc).

87. Chemistry

For the burning of propane C3H8(g)+SO2(g)3CO2(g)+4H2O(g) which of the following is true at and temperature: i./\G0 iii./\H

88. chemistry

Help!! Can someone please show me how to set up this problem. I'm lost. C3H8+5O2-->3CO2+4H20 If 19.2g of C3H8 and 19.2g O2 react, how many moles of CO2 can be produced?

89. chemistry

1 gram of C3H8 gas and 1 gram of O2 gas are delivered to a metal sphere with a fixed volume of 1 L. After the two gases are introduced, the two reactants are ignited and burned according to the balanced reaction C3H8(g)+5O2(g)changes to3CO2(g)+4H2O(g)

90. Chemistry

So I have the balanced equation: c3H8 +502 = 3C02 +4H20 Question: At STP propane (C3H8) burns in oxygen to form 2.15L of carbon dioxide and water. So I've got 2.15 L x 1 mole /22.4 L But when I try to do the mole ratio, I don't know what to do since the

91. Chemistry

Please help me solve this problem. I don't know how to approach this problem type. C3H8(g) + 5 O2 (g) ---- 3 CO2(g) + 4H2O(g) Conside the reaction. If you start with 7.0 moles of C3H8 (propane)and 7.0 moles O2, ________ mole(s) of carbon dioxide will be

92. Chemistry

Write the balanced camical equation for the complete combustion of propane C3H8, a fuel used in gas grills (carbon dioxide and water are products). This is the WRONG answer that I got... 2(C3H8) + 7(02) -> 3(CO2) + 8(H20) Can anybody help me? 2(C3H8) +

93. chemistry

C3H8 (g) + 5O2 (g) 3CO2 + 4HOH If such an oxidation is carried out on a gaseous mixture prepared by mixing 6.1 grams of propane and 11.0 L of oxygen measured at 1.0atm and 150 degrees celcius, what will be the total final volume under the same conditions

94. chemistry

In which reaction does the smallest percentage change in volume occur? a) C3H8 (g) + 5O2(g) ---> 3CO2(g) + 4H2O(l) b) 4NH3(g) + 3O2(g) ----> 2N2(g) + 6H2O(l) c) CH4(g)+ 2O2(g) ----> CO2(g) + 2H2O(l) d) 2H2S(g) + SO2 (g) ----> 3S(s) + 2H2O(l) The correct

95. chemistry

Hi can you help me balance these equations? I did the first three but I don't think I did them right... 1. C3H8+O2> CO2 +H20 I balanced this one like this: C3H8+5O2>3CO2+4H20 2. C4H10+O2>CO2+H20 balanced: C4H10+O2>2CO2+5H20 3. C8H18+O2>CO2+H20 balanced:

96. Chemistry

If you decrease the pressure on the equilibrium mixture represented below, which direction would you expect the equilibrium to shift? C3H8(l) + 5O2(g) 4H2O(g) + 3CO2(g)

97. Chemistry

Calculate the mass of water formed by the complete reaction of 572 g of propane (C3H8) with excess oxygen. (Write a balanced equation.) Answer in units of g.

98. chemistry

How many moles of CO2 would be made if you have 8 moles of C3H8? C3H8 + 5O2 → 3CO2 +4 H2O

99. chemistry

Calculate deltaG from deltaH and deltaS. Use the table of standard thermodynamic data. calculate deltaG at 0 degrees C for CH3CH2CH3 + 5O2 --> 3CO2 + H2O. CH3CH2CH3 + 5O2 --> 3CO2 + 4H2O I've balanced the equation so far, I know that deltaG = delatH -

100. Chemistry

If you remove some CO2(g) from an equilibrium mixture represented below, which direction would you expect the equilibrium to shift? C3H8(l) + 5O2(g) → 4H2O(g) + 3CO2(g) a. right b. left c. no change d. indeterminable based on information given