# For the reaction H2(g) + I2(g) ↔ 2 HI(g), you have the initial concentrations [H2] = 0.15 and [I2] = 0.05. Keq for the reaction at this temperature is 4.5 x 10-6. Make a reaction table. Include rows for initial

106,288 results, page 77

1. ### Chemistry

Consider the reaction, 3H2 + N2 â†’ 2NH3. If H2 is reacting at the rate of 0.15 M/s, at what rate is NH3 being produced?
2. ### chemistry

CH3OH(g) CO(g) + 2 H2(g) H = +90.7 kJ . Calculate the amount of heat transferred when 35.0 g of CH3OH(g) are decomposed by this reaction at constant pressure
3. ### Chemistry

3O2(g)---> 2O3(g) At a given instant, the reaction rate in terms of [O2] is 2.17x10^-5 mol/L*s. What is it in terms of O3?
4. ### Chem

3O2(g)---> 2O3(g) At a given instant, the reaction rate in terms of [O2] is 2.17x10^-5 mol/L*s. What is it in terms of O3?
5. ### chemistry

What are several reasons why the actual yield from a chemical reaction is not usually equal to the theoretical yield?
6. ### science- chemistry

what is the rate of reaction, if rate of consumption of iodide is 2.130x10^-5? 5I-(aq)+IO3-(aq)+6H+(aq)<-> 3I2(aq)+3H2O(l)
7. ### Chemistry

Given that E^o = 0.52 V for the reduction of Cu+(aq) + e - (yields) Cu(s) Calculate E^o, (delta)G^o and K for the following reaction at 25°C. 2Cu2+(aq) (yields) Cu2+(aq) + Cu(s)
8. ### chemistry

what type of reaction is this Li + H2O --> LiOH A. Combination B. Combustion C. Decomposition Im thinking combination but the H2 is confusing me
9. ### Chemistry

what is the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate.
10. ### Chemistry

The Ka value of nitrous acid, HNO2 , is 4.0 × 10¯4 . What is the equilibrium constant for the reaction; NO2¯ + H2O <-> HNO2 + OH¯ ?
11. ### Chemistry

The Ka value of nitrous acid, HNO2 , is 4.0 × 10¯4 . What is the equilibrium constant for the reaction; NO2¯ + H2O <-> HNO2 + OH¯ ?
12. ### Chemistry

How many grams of water are produced from the reaction of 1L of 2 molarity hydrochloric acid with 1L of 2 Molarity barium hydroxide?
13. ### chemistry

what volume of a 0.272 M solution of HBr is needed for a reaction that requires 49.5 g of HBr? Answer in units of L.
14. ### psychology

reaction paper about the door to door movie? true story by bill porter
15. ### physical

What is the reaction force to an action force of 750 N exerted by Earth on an orbiting communications satellite?
16. ### chemistry

What is the oxidizing agent in the following reaction? Cl2 (g) + 2Na+ (aq) + 2Br- (aq) --> 2Na+ (aq) + 2Cl- (aq) + Br2 (l)
17. ### chemistry

2H2 (g) O2 (g) --> 2H2O (g) if 44 g of O2 are reacted , determine the amount if heat transferred in the reaction when the Heat = -483.6 kJ
18. ### chemistry

2H2 (g) O2 (g) --> 2H2O (g) if 44 g of O2 are reacted , determine the amount if heat transferred in the reaction when the Heat = -483.6 kJ
19. ### chemistry

How many molecules of hydrogen gas are produced by the reaction of tin with 20.0 L hydrogen mono fluoride at STP
20. ### science(chemistry)

complete the following reaction: 1.CH3-CH-_CH2+H2O 2.CH2-CH2+Br2
21. ### CHEM

Consider the reaction, 3 NO2(g) + H2O(l) ® 2 HNO3(aq) + NO(g), where DH = – 137 kJ. How many kilojoules are released when 92.3 g of NO2 reacts?
22. ### Chemistry

Write the acid-dissociation reaction of nitrous acid (HNO2) and its acidity constant expression.
23. ### chem

carbamic acid and ammonia react to form an amide and water. What is the amide product of this reaction.
24. ### chemistry

How do you write a net ionic and complete ionic equation for the reaction HClO4 + Mg(OH)2 --> MgClO4 + H2O?
25. ### chemistry

Explain how mixing red paint and white paint could be used as an analogy for a neutralization reaction.
26. ### Chemistry

If the standard enthalpy of formation of PH3(g) is +5.4 kJ mol-1, calculate the reaction enthalpy for 2PH3(g)--->2P(s)+3H2(g)
27. ### physical science

In terms of energy, the general chemical equation AB+CD+energy = AD+CB represents a (an)_________ reaction.
28. ### chemistry 11

what conclusion can you make from the ratio of moles of copper to moles of iron in this reaction fe+cucl2---> fecl2+ cu
29. ### chemestry

How many grams of O2 are needed to produce 45.8 grams of Fe2O3 in the following reaction? 4Fe(s)+3O2(g) - 2Fe2O3(s)
30. ### chemistry

How many grams of O2 are needed to produce 45.8 grams of Fe2O3 in the following reaction? 4Fe(s)+3O2(g) - 2Fe2O3(s)
31. ### Chemistry

A cell has a standard emf of +0.177 V at 298 K. What is the value of the equilibrium constant for the cell reaction a) if n=1? b) if n=2?
32. ### science

If solid iodine sublimes to produce iodine gas:write down the equation for the reaction
33. ### CHEM

How many liters of O2 will react with 100 liters of H2 according to the gas phase reaction: O2 + 2H2 ------2H2O
34. ### Chemistry

How many milliliters of 1.5 M HCl must be transferred from a reagent bottle to provide 25g HCl for a reaction?
35. ### AP Chemistry

The equilibrium constant Kp is 5.00×10^17 at 25◦C for the reaction C2H4(g) + H2(g)<->C2H6(g). From this information, calculate ∆G0 at 25◦C
36. ### chemistry

Complete the following fission reaction 1n0 + 235U92 → 131Sn50 + ? + 2 1n0 + energy
37. ### chemistry

Complete the following fission reaction 1n0 + 235U92 → 131Sn50 + ? + 2 1n0 + energy
38. ### Chemistry

If 507 g FeCL2 were used up in the reaction FeCL2 + 2NaOH > Fe(OH)@(s) + 2NaCL, how many grams of Fe(OH)2 would be formed?
39. ### CHEMISTRY

A voltaic cell is constructed that uses the following reaction and operates at 298 K: 2 Al(s) + 3 Mn^2+(aq) 2 Al^3+(aq) + 3 Mn(s). What is the potential, E, of this cell when [Mn^2+] = 0.10 M and [Al^3+] = 1.5 M?
40. ### Chemistry

How many moles of hydrochloric acid are required to react with 2.57 moles of calcium hydroxide in a neutralization reaction?
41. ### Chemistry

What determines whether one metal will replace another metal from a compound in a single-replacement reaction?
42. ### HELP PLZ

What determines whether one metal will replace another metal from a compound in a single-replacement reaction?
43. ### Science

What determines whether one metal will replace another metal from a compound in a single-replacement reaction?
44. ### science

ZnS(aq) + 2HCl(aq) --> ZnCl2(aq) + 2H2S(g) what happens in this reaction means what changes& colour happens????
45. ### Chemistry

A reaction uses 4.5 grams of oxygen and an excess of nitrogen. How many grams of dinitrogen pentoxide are produced?
46. ### Physical science

Is a chemical reaction the same as a chemical change i need to know so that i can plug it in to answer a question
47. ### Science

A swimmer that pushes the water back with feet and arms what is the reaction force? What is the action force?
48. ### chemistry

How many moles of H2S would we expect to be formed by reaction if 3.50 moles of HNO3 reacted completely?
49. ### CHEMISTRY

HOW MANY MOLES OF SILVER IODIDE COULD BE PRODUCED IF THIS REACTION WAS STARTED WITH 4.3 MOL IODINE AND AN EXCESS OF SILVER?
50. ### CHEMISTRY

HOW MANY MOLES OF SILVER IODIDE COULD BE PRODUCED IF THIS REACTION WAS STARTED WITH 4.3 MOL IODINE AND AN EXCESS OF SILVER?
51. ### chemistry

39.3 grams of c6h6 are allowed to react with 108.3 grams of o2. How much co2 will be produced by this reaction?
52. ### Chemistry

Hydrazene can be used in fuel cell N2H4(aq)+o2(g)->N2(g)+2H2O(l) IfΔG°for this reaction is -600kj what will be the E°for the cell?
53. ### chemistry

If 6.30 moles of C5H12 reacts with excess O2, how many moles of CO2 will be produced in the following combustion reaction?
54. ### chemistry

a 10.0 ml sample of a hcl solution is titrated with 32.6 ml of a 0.155 m naoh solution. what is the equation for the neutralization reaction?
55. ### chemistry

. In the following reaction: Fe2O3 + 3C → 2Fe + 3CO; how many grams of C are needed to react with 16.5 g Fe2O3?
56. ### Chemistry

For the reaction: Pb(NO3)2(aq) + 2KCl(aq)->PbCl2(s) + 2KNO3(aq) How many grams of PbCl2 will be formed from 63.0 mL of a 1.60 M KCl solution?
57. ### Chemistry

In a reversible reaction PCl5 ↔ PCl3 + Cl2, the value of K is 2.5. What will the partial pressure of Cl2 be?
58. ### Chemistry

Draw the product(s) of the following reaction CH3-CH2-C(triple bond)C-CH2 ---------> ? (Na/NH3)
59. ### Chemistry

The volume equivalent of CO2(at stp)in the reaction NaHCO3+HCL=NaCL+H2O+CO2 is
60. ### Chemistry

The volume equivalent of CO2(at stp) in the reaction. NaHCO3+HCL=NaCL+H20+CO2 is
61. ### Science

If 2.4g of magnesium burns in oxygen to produce 4.0g of magnesium oxide, Write a balanced equation for the reaction
62. ### biology

HELP PLEASE!!!! How does the outcome of a chemical reaction that absorbs energy differ from one that releases energy?
63. ### Chemistry

Consider the Unbalanced Reaction: Al2O3(s) + CO(g) → Al(s) + CO2(g) Estimate ∆G at 298 K if 7.1 moles of Al2O3(s) is reacted.
64. ### chemistry

What's the net ionic equation for the reaction: PH3(g) + O2(g) → P2O5(s) + H2O(g)? Please go step by step:)
65. ### scince thanks

is a chemical reaction and chemical change the same if not what is the difference?
66. ### BioChemistry

What and where is the equivalence point? Is it in the beginning of the experiment or at the reaction point?
67. ### Chemistry

What is the difference between a spontaneous and a non spontaneous reaction?
68. ### CHEMISTRY

IN THE REACTION P4 +5 O2= 2P 2 O5. HOW MANY MOLES OF O2 ARE CONSUMED EACH TIME 0.5 MOLES OF P2 O5 ARE FORMED?
69. ### chemistry

the reaction between CV+ and -OH, is CV+ lewis acid and OH lewis base
70. ### chemistry

the reaction between CV+ and -OH, is CV+ lewis acid and OH lewis base
71. ### science

which one of these is a possible reaction? Cl2 + Br2 Br^-1 + I^-1 I2 + Cl^-1 Br2 + I^-1
72. ### Chemistry

When aqueous CuSO4 is added to aqueous Na2S2O3, why is there no reaction?
73. ### Chemistry

The Ksp value for FeS is 6 x 10^-18 M. FeS(s) --> Fe^(2+)(aq) + S^(2-)(aq) What is DG at 25 degrees C for the reaction?
74. ### chemistry

if 500 g of mgcl2 are produced in the above reaction how many l of h2 are produced
75. ### Chemistry

If you produce 3.5 moles of H2, how many moles of aluminum did you use in the reaction?
76. ### Chemistry

calculate the delta G^o and Kc for the reaction: 2Al + 3I2 = 2Al^3+ + 6I-
77. ### Chem II - Equilibrium

3.9 moles of NO and 0.88 moles of CO2 are allowed to react as NO + CO2 <--> NO2 + CO At equilibrium 0.11 moles of CO2 was present. Kc for the reaction is _____ 0.27 1.7 3.14 6.03 Don't you need to know how many liters, to figure Kc don't you have to change everything to ...

1) Metals that are above hydrogen in the reactivity series react with dilute hydrochloric acid to produce hydrogen gas. Lead is just above hydrogen in the reactivity series.I read a book that says no reaction occurs between lead & dilute acid. Why? Is it because the reaction ...
79. ### Chemistry - Equilibrium

Silver ion concentrations are needed for a solution. You have 0.050 M AgNO3, if you added 5.0mL of 12. M NH3 to 500.mL of this solution, how much silver ion in M will you have at equilibrium? [Kf for Ag(NH3)2+ is 1.5 x 10^7]
80. ### Physics

A projectile, fired with unknown initial velocity, lands 18.4 s later on the side of a hill, 2740 m away horizontally and 469 m vertically above its starting point. (Ignore any effects due to air resistance.) (a) What is the vertical component of its initial velocity? m/s (b) ...
81. ### Physics

A projectile, fired with unknown initial velocity, lands 18.4 s later on the side of a hill, 2740 m away horizontally and 469 m vertically above its starting point. (Ignore any effects due to air resistance.) (a) What is the vertical component of its initial velocity? m/s (b) ...
82. ### AP Chemistry

Like all equilibrium constants, Kw varies somewhat with temperature. Given that Kw is 7.51×10−13 at some temperature, compute the pH of a neutral aqueous solution at that temperature.
83. ### Science

Chemistry Enthalpy Calculations? Given the equation: CaO + H2O ----> Ca(OH)2 A 1 g sample of CaO is dissolved in 100 ml water with density 1.00g/ml. The temperature rise is 3.7 degrees C. The specific heat is 4.00 J/g*deg. 1. Calculate the heat (in J) absorbed/given off by ...
84. ### Engineering Math

I don't know where to start on this one. A thermometer is taken from an inside room to the outside, where the air temperature is ten degrees Fahrenheit. After one minute the thermometer reads 40 degrees Fahrenheit, and after two minutes it reads twenty-five degrees Fahrenheit...
85. ### Physics

Bar BC in the figure has length L, constant cross sectional area A, and is composed of a homogeneous material with modulus E. The bar is fixed between walls at B (x=0) and C (x = L). The bar is subjected to a variable distributed load per unit length, oriented in the direction...
86. ### Chemistry

75.0 claories of heat were added to 50.0 ml of water, the initial temperature of the water being 25.0 celcius. What is the final temp. of water?
87. ### Chemistry

Consider the following reaction. 2A(aq) (Two way arrows) B(aq) Kp = 5.48*10^-5 at 500K If a sample of A at 3.10atm is heated to 500K, what is the pressure of B at equilibrium? I know I need to do the ICE table, but am having trouble solving for x once I plug everything in. "A...
88. ### physics133

1 The principle of conservation of heat energy states that that when an object is at constant temperature or is in thermal equilibrium, it is losing and gaining heat at equal rates. the heat lost by a hot body is equal to the heat gained by the cold body in any system provided...
89. ### Science

Can anyone exlplain how particles behave in the reaction between iron and sulphur???!!! Ive checked all over google and cant find any helpful answers!!! PLZ HELP ME!!
90. ### chemistry

Which one of the following represents the theoretical yield, in moles, of precipitate for the double displacement reaction if 25.0 mL of 1.0 M aqueous calcium nitrate is added to 15.0 mL of 1.5 M sodium phosphate?
91. ### chemistry

Calculate the heat of reaction for changing 1.00 mol of silica that has been extracted from sand into the pure silicon that is need to make computer chips

A Pyrotechician is working on a new fourth of July rocket. He is using a highly reactive metal when burned. What can he use to lower the reaction rate????
93. ### chemistry

Using the balanced equation, determine the number of NaNO3 units in the visualization in the reaction. 3Ca(NO3)2(aq) + 2Na3PO4(aq) → 6NaNO3(aq) + Ca3(PO4)2(s)
94. ### Chemistry Lab

5.00 mL of .00500 M ferric nitrate is added to 5.00 mL of nitric acid and 10.0 mL of .00250 M thiocyanate solution. Calculate the intial Fe^3+ concentration before reaction. So how do I go about doing this?
95. ### chem11

write out the balanced reaction for magnesium and copper (I) chloride solution. Mg2(s) + 4CuCl2(aq) -> 2MgCl2(aq) + 4Cu(s) is this right? i'm not sure exactly how to do this. Please help
96. ### science

The combustion of acetylene in the presence of excess oxygen yields carbon dioxide and water: 2C2H2 (g) + 5O2 (g) ¨ 4CO2 (g) + 2H2O (l) The value of ƒ¢So for this reaction is __________ J/K.
97. ### chemistry

Which one of the gollowing represents the theoretical yield, in grams, of precipitate for the double displacement reaction if 25.0 mL of 1.75 M aqueous calcium nitrate is added to 15.0 mL of 1.50 M sodium phosphate?
98. ### Physical Chemistry

Calculate the standard reaction Gibbs energy of the oxidation of ammonia to nitric oxide according to the equation 4 NH3g) + 5O2(g) → 4 No(g) + 6 H2O(g).
99. ### chemistry

Balance the reaction below in acidic conditions: IO3- + I- --> I2 What volume of 0.352 M HCl is needed to produce 2.48x10-3 moles of iodine, I2, with an excess of KlO3 and Kl?
100. ### Chem

H2SO4 +NaCO3 > Na2SO4 +Co2 +H2O if 150.0 g Of Sulfuric acids is spilled what is the minimum number of moles of sodium carbonate to complete this reaction?