# What is the empirical of compound (X) going through the following decomposition reaction?

17,654 results, page 40
1. ## Chemistry

What are the Oxidation and Reducation reactions for these equations : BaCl2 + NaHCO3 -> BaCO3 + NaCl + HCl (carbon is the reduction reaction, but I don't know what the oxidation reaction is) CaCO3 + HCl -> CaCl2 + CO2 + H2O
2. ## chemistry

A 2.30 mole quantity of NOCl was initially in a 1.50 L reaction chamber at 400°C. After equilibrium was established, it was found that 20.0 percent of the NOCl had dissociated: 2NOCl(g) 2NO(g) + Cl2(g) Calculate the equilibrium constant Kc for the
3. ## Chem

Calculate the reaction quotient Q,for the cell reaction.The measured cell voltage is given.balane the chemical equation by using the smallest whole number coefficients. (a) Pt(s)Sn4+(aq),Sn2+(aq)||pb2+(aq),pb2+|C(graphite)(s) -E=+1.33V
4. ## mechanics

a non uniform rod ab of length 4 m and mass 5 kg is in equilibrium in horizontal position resting on two supports at point C and D wgere AC= 1 m and AD= 2 m. the magnitude of reaction at C is half of the reaction at D. Find the distance of the centre of
5. ## Chemistry

Explain why each of the following is incorrect: (a) Entropy increases in all spontaneous reactions. Wouldn't (a) be actually correct? Because when there's a spontaneous reaction, you have less stable molecules and more disorder. It will be lower in some

2C8H18(g)+25O2(g)+16CO2(g)+18H2O(g) 0.290mol of octane is allowed to react with 0.600mol of oxygen.The limiting reactant is Oxygen. How many moles of water are produced in this reaction? After the reaction, how much octane is left?
7. ## Chenistry check

Can someone check my answer? The question is: In order for the reaction 2Al(s) + 6HCl(aq)-> 2AlCl3(aq) + 3H2(g) to occur, which of the following must be true? a. Al must be above Cl on the activity series. b. Al must be above H on the activity series. c.
8. ## chemistry

The rate constant of the reaction between CO2 and OH - in aqueous solution to give the HCO3- ion is 1.5 1010 1/(M·s) at 25°C. Determine the rate constant at blood temperature (37°C), given that the activation energy for the reaction is 38 kJ/mol. units
9. ## chemistry

How do you figure out the answer for the reverse reaction? At 350 K the value of Kp for the equilibrium represented by the balanced equation is 2.87 x 10-2. Calculate the value of Kc for the reverse reaction at the same temperature. Express answer in

2C8H18(g)+25O2(g)-->16CO2(g)+18H2O(g) 0.290mol of octane is allowed to react with 0.600mol of oxygen.The limiting reactant is Oxygen. How many moles of water are produced in this reaction? After the reaction, how much octane is left?
11. ## Chemistry

If there was a reaction between organic compounds: OH + Cl --> O + HCl, how would I determine which atoms is the nucleophile (O, Cl, or H)? Here is a picture of the reaction: img33.imageshack.us/img33/3923/29529709.jpg From my understanding, a nucleophile
12. ## biology

Which of the following is true about the relationship between energy and chemical reactions? Activation energy is required for a chemical reaction to occur. Activitation energy is not necessary in a chemical reaction which releases energy. Chemical bonds
13. ## chemistry - 3.1.6

At a high temperature, the equilibrium constant for the decomposition of hydrogen iodide is 65.0. If the initial concentration of HI is 1.60 M, what is the concentration of hydrogen at equilibrium? 2Hl(g) H2(g) + I2(g) A. 1.42 M B. 0.753 M C. 0.240 M D.
14. ## Chemistry

Consider the following reaction: 4NH3(g) +5O2(g) -->4NO(g) +6H2O(g) Suppose we have two flasks connected by a stopcock. In one flask, we have 2.0L of NH3(g) at a pressure of .500 atm. In the other flask, we have 1.00L of O2(g) at a pressure of 1.5atm. When
15. ## chemistry

When do you put the suffix (g) after a compound?
16. ## chemistry

why is CCl4 classified as a compound?
17. ## algebra

solve te compound inequality 6 > -5x + 5 or 9 < - 3x + 4
18. ## Algebra

Solve the compound inequality. 4≤y+2≤-3(y-2)+24
19. ## english

Is sandwich a compound word?
20. ## science

What is the definition of organic compound?
21. ## math help

solve the compound inequality < 2x-4
22. ## Math

How would you solve these compound inequalities? 1. -1
23. ## cem

What type of compound is Febr3
24. ## science

what is an element, a compound and a mixture ?
25. ## Algerbra

How to solve the compound inequalities of. -1< 3+2x-3 or 5x-1>19
26. ## algebra

Solve the compound inequality. -2
27. ## AP Chemistry

how do you determine which compound one is more ionic than another?
28. ## algebra

Solve the compound inequality. 3a-513
29. ## Chemistry

What is the ionic compound of SrMnO4
30. ## Chem

How to write compound in given atoms
31. ## math help re post

solve the compound inequality 0
32. ## Physical Science

What is the difference between a compound and a molecule?
33. ## Writing

How to use surt in a compound sentence
34. ## physical science

what is the overall change of an ionic compound?
35. ## lab chimistry

Why we must mix the compound with MnO4?
36. ## Chemistry

Name the following compound? FeCl3 x 6H2O
37. ## chemistry

What is the name of the following organic compound? CH_3CH_2CCCH_2CH_2CH_3
38. ## science

what is the definition of a compound machine?

Which of the following is a compound word? A. Together B. Sometime C. Yesterday D. None of the above
40. ## Ashford

4x + 3 < 16 or –2x < 3 one-Variable Compound Inequalities
41. ## science

is a polyatomic considered a compound?
42. ## vocab

What is a compound sentence for abnegation?

4x7
44. ## algebra

Which of the following is a solution of the compound inequality? 3x + 8 < 2 or x + 12 > 2 - x
45. ## math

solve the compound inequality 4>-2x+3 or 12
46. ## science

What are compound and simple eyes?
47. ## Algebra

Solving compound inequality 4x-9
48. ## CHEM

Is Brass a compound or a mixture and why?
49. ## chemistry

what are all the names of the compound CH3OH?
50. ## Math a

7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am
51. ## Chem

What is the difference between a compound and a mixture?
52. ## science

What are differences between molecule and compound?
53. ## Algebra

sovle the compound inequality 8
54. ## math 10 general math

what is the yield for 8.5% compound continously?

need help to unscramble compound words
56. ## Algebra

solev the compound inequality 2x-9/86
57. ## physics

What is the difference between a molecule & a compound
58. ## chemistry

define organic compound?
59. ## math

Solve the compound inequality. -3 < 2x - 3 < 5
60. ## algebra 2

simplify the compound fraction: ((x+h)^(-3)-x^(-3))/(h)
61. ## Chemistry

Given the two reactions 1.PbCl2 Pb^2+ + 2 Cl^-, K1= 1.82×10^−10 2. AgCl Ag^+ + Cl^-, K2 = 1.15×10−4 what is the equilibrium constant Kfinal for the following reaction? PbCl2+ 2 Ag^+ 2AgCl+ Pb^2+ This is what i have soo far: PbCl2Pb2+ + 2Cl- K1=

I have no idea what I'm doing here, please help. 2 half cells in a galvanic cell consist of one iron Fe(s) electorde in a solution of iron (II) sulphate FeSO4(aq)and a silver Ag(s) electrode in a silver nitrate solution, a)state the oxidation half
63. ## Chemistry

"Translate the empirical molar enthalpy given below into a balanced chemical equation, including the enthalpy change (delta H): The standard molar enthalpy of formation for carbon disulfide is 89.0 kJ/mol" I got delta H = 178 kJ (is that right?). However,
64. ## Chemistry

The thermal decomposition of nitryl chloride NO2Cl, 2NO2Cl---> 2NO2 + Cl2 is thought to occur by the mechanism shown in the following equations: NO2Cl---> NO2+ Cl NO2Cl + Cl --> No2+ Cl2 the rate is [NO2][Cl] is this right
65. ## Chemistry

The thermal decomposition of nitryl chloride NO2Cl, 2NO2Cl---> 2NO2 + Cl2 is thought to occur by the mechanism shown in the following equations: NO2Cl---> NO2+ Cl NO2Cl + Cl --> No2+ Cl2 the rate is [NO2][Cl] is this right
66. ## chemistry

Am doing a lab report on the determination of the product of a redox reaction: the reaction of bromate and hydroxylammonium ions. here is the lab Experiment: In this experiment you will determine the equation of a redox reaction by the use of experimental
67. ## health

What is physical stress? A. A physical reaction of the mind to various triggers B. A physical reaction to the heart to various triggers C. A physical reaction of the body to various triggers D. A physical reaction of the soul to various triggers What is
68. ## stiochiometry

Hello! This is my take home final for my chemistry class and I can use any resources to help me solve the questions. Can someone help me get started on all of them? Thanks… (note: he wants us to solve them using stoichiometry) 1. The resting calorie use
69. ## chemistry

The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 ∘C. The specific heats of C2Cl3F3(l) and C2Cl3F3(g) are 0.91 J/g⋅K and 0.67 J/g⋅K, respectively. The heat of vaporization for the compound is 27.49 kJ/mol. Calculate the heat
70. ## Chemistry - Equilibrium

(h) If a catalyst was added to the reaction, which quantities would change? (Select all that apply.) - the potential energy of the products - the potential energy of the reactants - the potential energy of the activated complex -the activation energy for
71. ## chemistry

An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at
72. ## chemistry lab

An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 0.002 mol of H+ were produced. What is the ratio of TRIS base to TRIS acid at
73. ## Chemistry

A student ran the following reaction in the laboratory at 650 K: H2(g) + I2(g) 2 HI(g) When she introduced 0.204 moles of H2(g) and 0.229 moles of I2(g) into a 1.00 Liter container, she found the equilibrium concentration of I2(g) to be 5.77E-2 M.
74. ## Chemistry

Consider the reaction 2 SO2(g) + O2(g) in equilibrium with 2 SO3(g) . At 25°C delta H° = -197.78 kJ and delta S° = -187.95 J/K. Using this information, calculate the equilibrium constant for the reaction at -32°C. (R = 8.314 J/K) Enter your answer
75. ## Chemistry

What type of reaction may be occurring when a person's skin develops a green stain beneath a 14 K gold bracelet? Using HA as the chemical formula for acid in skin, write a balanced chemical equation to represent the reaction.
76. ## Chemistry

A student ran the following reaction in the laboratory at 651 K: 2 NH3(g) N2(g) + 3 H2(g) When she introduced 8.75E-2 moles of NH3(g) into a 1.00 Liter container, she found the equilibrium concentration of H2(g) to be 0.119 M. Calculate the equilibrium
77. ## chemistry

In the experiment you have added 50.0 mL of Ni(H2O)6 2+ to the calorimeter. To this you add 5.0 mL of ethlylenediamine and measure the change in temperature of the solution as the reaction proceeds. The temperature increases by 3.4 oC. Calculate the
78. ## Chem

The entropy of combustion of benzoic acid is zero. This means that... a)combustion is not spontaneous here. b)combustion is spontaneous, however, since the reaction is exothermic. c)combustion is spontaneous, however, since the reaction is endothermic.
79. ## Chemistry

Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. Write the equation for the reaction associated with the Kb2 of carbonate, CO32–.
80. ## Chemistry Equation

1) Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. 2)Write the equation for the reaction associated with the Kb2 of carbonate, CO3^(2-).
81. ## Chem

Consider the following reaction was found to be the 0th order to A and 2nd order to B. 2A(cr) + 3B(aq) -->A2B3(cr) Write a rate law equation for the reaction rate of A with B.
82. ## Chemistry

Calcium reacts with water according to the chemical equation below: Ca + 2H2O--> Ca(OH)2 + H2 All but which reaction is expected to occur on the basis of the reaction of calcium and water?
83. ## science

Explaini why the observation if a preciiitate forming may be evidence of a chemical reaction.What other evidence would youneed to gather to be sure that a chemical reaction has taken place?
84. ## Chem15

The reaction CO(g) + H2O(g)--> CO2(g) + H2(g) has Kc = 102 at 500 K. If a reaction mixture initially contains 0.154 M CO and 0.154 M H2O, what will be the equilibrium concentration of H2?
85. ## chemistry

If delta G (Gibbs) is positive and you are trying to find at what temperature the reaction is spontaneous would the formula be: T< H/S ? G=H-TS H-TS>0 T< H/S then the temperature found would be the temp at which the reaction is spontaneous?
86. ## organic chemistry

Hi, I was wondering if somebody could help me out with this problem which says: "Why does changing the base have no effect on the rate of an E1 reaction while it does affect the rate of an E2 reaction?" I would appreciate any help I can get on this
87. ## chemistry

Consider the reaction: 2H2S(g)⇌2H2(g)+S2(g) An equilibrium mixture of this reaction at a certain temperature was found to have [H2S]= 0.542M , [H2]= 2.64×10−2M , and [S2]= 7.54×10−3M . What is the value of the equilibrium constant at this
88. ## chemistry

For the following reaction, 2SO3(g) = 2SO2(g) + O2(g), the equilibrium constant, Kp, is 1.32 at 627 degrees Celsius. What is the equilibrium constant for the reaction: SO3(g) = SO2(g)+ 1/2 O2(g)
89. ## chemistry

what mass of acetylene, C2H2, will be produced from the reaction of 90 g of calcium carbide, CaC2, with water in the following reaction? CaC2+2H2O-->C2H2+Ca(OH)2
90. ## chemistry

The percentage yield for the reaction PCL3+Cl2-->PCL5 is 83.2%. What mass of PCL5 is expected from the reaction of 73.7g of PCL3 with excess chlorine?
91. ## Chem II

The rate constant for a reaction at 305.0 K is two times the rate constant at 295.0 K. The activation energy of the reaction is ______ kJ mol
92. ## chemistry

The enthalpy change for the following reaction is -483.6 kJ: 2H2(g) + O2(g) = 2H2O(g) Therefore, the enthalpy change for the following reaction is _______ kJ: 4H2(g) + 2O2(g) = 4H2O(g)
93. ## Chemistry

Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. Write the equation for the reaction associated with the Kb2 of carbonate, CO32–.
94. ## Chemistry

Calcium reacts with water according to the chemical equation below: Ca + 2H2O--> Ca(OH)2 + H2 All but which reaction is expected to occur on the basis of the reaction of calcium and water?
95. ## Chemistry

What is the empirical formula of the oxide in Magnesium Oxide? The number of moles of Mg = 8.026 x 10^-8. The number of moles of O = 1.605 x 10^-7.
96. ## Chemistry

The chemical reaction for the generation of gas in an automobile safety air bag is 2NaN3(s)→ 2Na(s)+3N2(g) What volume of gas is produced if there are 130.0 grams of NaN3 used in the reaction? (The density of nitrogen gas is 0.916 g/L.) Please show your
97. ## Chemistry

Which phosphates are found in human urine? I am writing about the discovery of phosphorus. I know that after urine was left to stand for several days and boiled to a paste it contained ammonium sodium hydrogen phosphate. Is this a constituent of fresh
98. ## Chemistry

MF17083:For the following reaction find Kp at 25°C and indicate whether Kp should increase or decrease as the temperature rises. NH4HS(s) H2S(g) + NH3(g); DH° = 83.47 kJ and DG° = 17.5 kJ at 25°C. - A. B. C. D. E. F. Kp = - A. B. C. D. E. F. Kp
99. ## chemistry

The decomposition of potassium chlorate (KClO3) is used as a source of oxygen in the laboratory. How much potassium chlorate is needed to produce 10.2 mol of oxygen? Answer in units of mol
100. ## Science

How many grams of hydrogen are produced from the decomposition of 100 grams of hydrogen peroxide? H2O2(l) → H2(g) + O2(g) a. 100 g H2 b. 50 g H2 c. 6 g H2 d. 1 g H2