"balanced equation for the reaction of the oxygen and the magnesium" including their physical states

58,052 results, page 4

Chemistry

I need to write a balanced equation for this problem and am having difficulty doing so. The question is this: use the mole ratio of CuO produced per mole of malachite to write a balanced equation for the malachite decomposition reaction. Assume that CO2 is also a product of ...

chemistry

when magnesium and hydrochloric acid reacted, (rate of reaction), what would you have to do to express the average reaction rate in terms of mass of magnesium consumed per second and in terms of moles of magnesium reacted per second..thnks..

Chemistry

Caluclate the delta H for this reaction using standard enthalpies of formation. (The standard enthalpy of formation of liquid pentane is -146.8kJ/mol. Balanced equation balanced equation: C5H12(l)+8O2(g)-->5CO2+6H2O(g) CO2=393.5 H2O=40.7

Chemistry

using the balanced reaction equation for the combustion of propane, determine the number ofmoles of oxygen that would react with.50 mol propane and the number of moles of carbon dioxide that would be produced?

Chemistry1

The questions asks to write a word equation and a balanced chemical equation for a reaction between aqueous copper (ii) sulfate and solid iron. Assume that iron forms the Fe2+ ion.) Include proper states of matter after each substance (s, l, g, aq). Here is what I got ANSWER: ...

Chemistry

Oxidation of bis(bipyridine) copper (I) ion by molecular oxygen is described by the equation: Cu(C10H8N2)2+(aq) + O2(aq) ----products The reaction is first order in oxygen and second order in Cu(C10H8N2)2+ (a) Write the rate law (b) What is the overall reaction order? (c) How ...

to bobpursley

An emergency breathing apparatus often placed in mines works via the following chemical reaction: 4KO2(s) + 2CO2(g) to make 2K2CO3(s) + O2(g) If the oxygen supply becomes limited or if the air becomes poisoned, a worker can use the apparatus to breath while exiting the mine. ...

Chemistry

Did I do these right? Can someone let me know if I did them correctly? I had someone help me with the problems but know I want to make sure their the right answers? 1. Methane burns in oxygen according to the following equation: CH4 + 2O2 ----> CO2 + 2H2O What is the mass ...

CHEMISTRY

hydrogen selenide can be prepaired by reacting aluminium selinide with water the other product being solid aluminium hydoxide AL(OH)3,write a balanced chemical equasion for the reaction of aluminium selenide with water including the phisical states of the reactents please i ...

Chem

What is the balanced net ionic equation for magnesium metal being placed in a solution of gold(3) chloride ?(with steps please)

chemistry

When aqueous solutions of potassium carbonate and magnesium nitrate are combined, solid magnesium carbonate and a solution of potassium nitrate are formed. The net ionic equation for this reaction is:

chemistry

1. Heat can initiate reaction as well as be a product of chemical reactions. Cite the specific sample from the experiment that show heat acting in the manner 2. Aluminum chloride was a product in step 6. How could you instruct your lab partner to recover it. 3. Complete the ...

chem question i need help

I need help on this question. Could someone give me tips on how to solve it? thanks An emergency breathing apparatus often placed in mines works via the following chemical reaction: 4KO2(s) + 2CO2(g) to make 2K2CO3(s) + O2(g) If the oxygen supply becomes limited or if the air ...

CHEMISTRY

1. Consider the following reaction: Pb(NO3)2+KI--> Pbl2 +KNO3 in theis experiment, 12.0g of Kl is reacted with 20.5g of Pb(NO3)2. a) write a balanced equation for this reaction. b)identify the limiting reaction. c)calculate the mass of KNO3 produced from this reaction.

Chemistry

Calcium carbonate decomposes on heating producing potassium nitrate and oxygen. Write a balanced equation for this reaction. Heating 100g of pure potasium nitrae what mass of potassium nitrate would be produced?

chemistry

in the reaction of magnesium metal with hydrochloric acid to produce magnesium chloride and hydrogen gas. If 4.59 mol of magnesium and 4.59 mol of hydrochloric acid are reacted, how many moles of magnesium chloride are produced ?

chemistry 1

if 20.2g of zn react with and equal amount of magnesium chloride to form magnesium and zinc chloride[zn+mgcl2> mg+zncl2] a.what is the limiting reactant? b. how much magnesium will be produced? Here is the way to solve most of these stoichiometry problems. Step 1. Write the...

Chemistry

Ammonia (NH3) reacts with oxygen to produce nitric oxide (NO) and water (see balanced equation below). How many grams of oxygen do you need to react with 21.4 g ammonia? __4_NH3 + __5_O2 → __4_NO + _6__H2O

Chemistry

The burning of the magnesium becomes uncontrolled (it burn brightly. Oops! How will this procedural error affect the reported mole ratio of magnesium to oxygen in the analysis? Explain.

AP Chemistry

A 21.0054 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g) . After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of 19.0732 g. ...

AP chemistry

A 22.709 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of 15.3018 g. Assuming...

AP Chemistry

A 28.4858 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s)→MgO(s) + CO2(g).After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of 17.3014 g. Assuming ...

Chemistry

A 28.4378 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of 17.6846 g. ...

chemistry

A 21.8603 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of 18.7358 g. ...

Chemistry- Stoichiometry

"Why must a chemical reaction be balanced before it can be used in stoichiometry?" I mean, I get it, that the equation will be off if it doesn't start out balanced, but, why? How do I phrase that?

Chemistry

please help! I don't understand any of this. Using the Solubility Rules, write the balanced molecular, total ionic, and net ionic equations (including physical states) for the following: Hints: There is no such thing as an Na3+. Na is in group 1A, so you know it can only form ...

Ap Chem

If in an experiment we're working with Mg, HCl acid, and H20. We stick the magnesium in the acid mixed with water and the Mg dissolves. One of the products is hydrogen gas. If the water in the tube is evaporated, the other product, a white salt remains. Write a balanced ...

Chemistry

Balance the photosynthesis equation: CO2+ H2O-> C6H12O6+ O2 Which i think this is Balanced: 6CO2 + 6H2O + energy-> C6H12O6 + 6O2 ? The question is this: According to the balanced equation __________ moles of carbon dioxide will react with _________moles of water to ...

Chemistry

Balance the photosynthesis equation: CO2+ H2O-> C6H12O6+ O2 Which i think this is Balanced: 6CO2 + 6H2O + energy-> C6H12O6 + 6O2 ? The question is this: According to the balanced equation __________ moles of carbon dioxide will react with _________moles of water to ...

chemistry

How would you solve this problem?... magnesium metal reacts rapidly in hot water. Predict the mass of pericipitate that will form if a 2.0g strip of magnesium reacts completely with water. *Use the 5-step method* *Answer: 4.8g* I don't know what the five step method is, and I ...

Chemistry

Iron and manesiu are two common elements found in numerous compounds. magnesium is always in the +2 oxidation state while iron exhibits oxidation states of +2, +3,+4,and +6. why would magnesium not be found in the these upper oxidation states.

AP Chemistry i need help!

A 21.5997 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of 15.5207 g. ...

Chemistry

Write the balanced chemical reaction (showing appropriate symbols and states) for the chemical reaction with enthalpy change equal to and defined by the quantity dHformation [NH3(g)] N2(g) + 3H2(g) --> 2NH3(g) Is that all the question is asking for?

chemistry

Write a balanced chemical equation for the reaction that occurs when barium carbonate decomposes into barium oxide and carbon dioxide gas when heated. Express your answer as a balanced chemical equation. Identify all of the phases in your answer.

chemistry

Answer the following questions based on the following electrochemical reaction: Al(s) + Cu 2+(aq) <====> Cu(s) + Al3+ (aq) Write the balanced chemical equation for this cell. I'm confused.. how would this be balanced?

Chemistry

A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting solution freezes at...

Chemistry

A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting solution freezes at...

Chemistry

Given the balanced equation representing a reaction: 2CO(g)+O2(g)-->2CO2(g) what is the mole ration of CO(g) to CO2(g)in this reaction? (1)1:1 (2)1:2 (3)2:1 (4)3:2

chemistry

what gas is produced in the reaction between calcium carbide and water?write the balanced equation for the reaction.

Chemistry

The following is a Limiting Reactant problem: Magnesium nitride is formed in the reaction of magnesium metal with nitrogen gas in this reaction: 3 Mg(s) + N2(g) -> Mg3N2(s) How many grams of product are formed from 2.0 mol of N2 (g) and 8.0 mol of Mg(s)?

Chemistry - Stoichiometry

16.2g of magnesium reacts exactly with 25.3g of fluorine to produce magnesium fluoride, the only product. How many grams of magnesium fluoride could be produced from the reaction of 10.5g of magnesium with excess fluorine. This is simple if you use ratios... You know that 16.2...

Chemistry

a mixture of 34.0g of ammonia and 50.0g of elemental oxygen react to form elemental nitrogen and water. Please write a balanced chemical equation for this reaction. Find the theoretical yield of water in grams and give the amount of excess reactant in grams

chemistry

Complete the following word equation and write the balanced formula equations: a. Zinc(s) + iodine(g) b. Hydrogen peroxide(l) c. Magnesium(s) + lead(IV) nitrate(aq)

chemistry

3. Complete the following word equation and write the balanced formula equations: a. Zinc(s) + iodine(g) b. Hydrogen peroxide(l) c. Magnesium(s) + lead(IV) nitrate(aq)

chemistry

Magnesium nitride is formed in the reaction of magnesium metal with nitrogen gas in this reaction: 3 Mg(s) + N2(g) --> Mg3N2(s) How many grams of product are formed from 2.0 mol of N2 (g) and 8.0 mol of Mg(s)? i havent been able to figure this one out, can someone help me?

Chemistry

8. Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced?

Chemistry

Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced?

chemistry

Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 moles of hydrogen reacted with oxygen, what volume of liquid water could be produced?

Chemistry

4. Write the balanced equation for CH4+Cl2„_CH2Cl2+HCl 4a. For the reaction in problem 4, ƒ´H = -118.3 kcal/mol. Identify whether this is an exothermic or endothermic reaction. Calculate the ƒ´H when 6.00 g of Cl2 are used in the reaction

Chemistry Equation(again)

What I wrote is the balanced ionic equation. The ++ are written as exponents and could be written as we usually do it as Cu^+2 + Zn ==> Zn^+2 + Cu. For the molecular equation, it is Cu(NO3)2 + Zn ==> Zn(NO3)2 + Cu So the ionic equation for adding copper(II)nitrate to ...

Chemistry

Benzene, C6H6, reacts with nitric acid, HNO3. Two products are formed, one of which is water. The second product has a molar mass of 213 grams. The second product is composed of 33.8% carbon, 1.42% hydrogen, 19.7% nitrogen, and 45.1% oxygen. Write a balanced chemical equation ...

chemistry PLEASE HELP!!!

Acetylene gas (C2H2) is used in welding. During one job, a welder burns 48.0 g of acetylene. Using a balanced equation for the complete combustion of acetylene, calculate the following: What is the balanced equation. The mass of oxygen used? The mass of carbon dioxide produced...

Chemistry

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 ...

Chemistry

What is a Balanced equation for sulfur (IV) oxide (g) and magnesium oxide (cr)?

Chemistry

Is there a reaction between Sodium Acetate and Copper (II) Nitrate. If so, what is the balanced equation for it? Also, what type of reaction is it does it form a precipitate?

Ap Chemistry

Posted by Jake on Sunday, September 23, 2007 at 1:08pm. My objective is to find the molar volume of a gas. Is this the correct balanced equation for magnesium ribbon reacting with hydrochloric acid to form hydrogen gas? 2Mg (s) + 2HCL (l) ----> H2 (g) + 2MgCl (aq) Also, I'm...

chemistry

What is the sum of the coefficients (including “1”) of the balanced equation? __CaCO3 + __NaF __ CaF2 + __Na2CO3 4 5 6 7 8 If you start with 20.0 grams CaCO3, how many moles of CaCO3 do you have? 20.0 2.00 .200 .0200 .0386 If you start with .500 moles of NaF, how many ...

Chemistry 111

calculate the number of moles of magnesium, chlorine, and oxygen atoms in 8.80 moles of magnesium perchlorate?

Chemistry

How many grams of magnesium oxide could be formed from the reaction of .248g of magnesium metal?

Chemistry

How many milliters of 0.500 M magnesium nitrate can be produced from the reaction of 35.5 grams of magnesium bromide.

chemistry

In an experiement 23.4 g of iron sulphide are added to excess oxygen and 16.5 grams of iron (III) oxide, Fe2O3 are produced the balanced equation for the reaction is 4FeS + 7O2 -- 2Fe2O3 + 2SO2 Calculate the percent yield of iron oxide in the experiement

Physical Science

An iron fence is left unpainted, and it reacts with the oxygen in the air, forming rust. The formation of rust is an oxidation-reduction reaction, but it is also an example of a(n) _________ reaction My answer is synthesis

Chemistry

Solid magnesium reacts with oxygen gas to produce 568g of solid magnesium oxide.

CHEMISTRY

The following reaction represents the decomposition of hydrogen peroxide: Balanced equation: 2H2O2 -> O2 + 2H2O How many moles of oxygen are produced from the decomposition of 3.4g of hydrogen peroxide? How many molecules of O2 are produced? For the second question, is the ...

chemistry

Need Help Finishing: Purpose: • To observe a chemical reaction. Materials: • Vinegar (acetic acid, CH3COOH) • Baking soda (NaHCO3) • Measuring cups and spoons • Cup Procedure: 1. Place ½ cup of vinegar in the cup. 2. Add 1 tablespoon on baking soda. 3. Record your ...

Health

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

chemistry

complete the equation for the reaction of the soap with magnesium chloride

Chemistry

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 ...

Chemistry

The following is a Limiting Reactant problem: Magnesium nitride is formed in the reaction of magnesium metal with nitrogen gas in this reaction: 3 Mg(s) + N2(g)  Mg3N2(s) How many grams of product are formed from 2.0 mol of N2 (g) and 8.0 mol of Mg(s)? Show all ...

Chemistry

Do free electrons appear anywhere in the balanced equation for a redox reaction? a) Yes, free electrons appear in the right part of the equation. b) Yes, free electrons appear in the left part of the equation. c) Yes, free electrons appear in the both parts of the equation. d)...

chemistry

A 5 mL dose of Milk of Magnesia contains 400 mg of magnesium hydroxide. What mass in grams of HCl can it neutralize? Balanced equation= Mg(OH)sub2 + 2HCl---> MgClsub2(aq) + 2Hsub2O

science

julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.

science

julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.

science

julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.

Chemistry

in a neutralization reaction, dilute tetraoxosulphate (vi) acid completely reacted with sodium hydroxide solution.write a balanced chemical equation for the reaction

ap chemistry

pentane is burned completely in oxygen gas. what is the balanced equation?

Chemistry

If 18.80 grams of hydrochloric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP? (Hint: start by writing a balanced equation for the reaction.) 3HCl + Al -> 3H + AlCl3 18.80g moles= grams/mw 18.80/109.5 0....

chemistry

when water is combined with magnesium nitride to produce magnesium hydroxide and ammonia gas, is this reaction endothermic or exothermic and why?

chemistry

HBr is a molecular substance that is a strong acid in water. Write an equation for its ionization in water. Use minimal integer numbers to balance the reaction. Include physical states in your answer, e.g., start with HBr(l).

Chemistry

Consider the neutralization reaction that takes place when hydrochloric acid reacts with aqueous calcium hydroxide Write a complete balanced equation for this reaction

chemistry

How many grams of magnesium oxide are produced when 40 grams of oxygen react with magnesium

Chemistry help

I'm not sure how to answer this question.... Assume that magnesium would act atom-for-atom exactly the same as copper in this experiment. How many grams of magnesium would, have been used in the reaction if one gram of silver were produced? The atomic mass of magnesium is 24....

Chemistry

250.0 mg solid magnesium placed in 9.1 g aqueous zinc nitrate... What is the limiting reagent? I balanced the equation: Mg (s) + 2HNO3 (aq) -> Mg(NO3)2 (aq) + H2 (g) 250 mg 9.1 g

Chemistry

Calcium Carbonate and aluminum silicate are mixed together and heated. A mixture of calcium oxide, carbon dioxide, aluminum oxide and calcium silicate is produced. Write the balanced equation for this reaction. My Work: 4CaCO3+Al2(SiO3)3->CaO(s)+4CO2(g)+Al2O3+3CaSio3 I ...

Chemistry

Calcium Carbonate and aluminum silicate are mixed together and heated. A mixture of calcium oxide, carbon dioxide, aluminum oxide and calcium silicate is produced. Write the balanced equation for this reaction. My Work: 4CaCO3+Al2(SiO3)3->CaO(s)+4CO2(g)+Al2O3+3CaSio3 I ...

Chemistry

A sample of magnesium metal reacts with hydrochloric acid solution to produce magnsesium chloride solution and hydrogen gas. a)write a balanced chemical equation for this reaction and include phase designations. The phase designations would be s for solid, aq for aqueous, and ...

Chemistry

A sample of magnesium metal reacts with hydrochloric acid solution to produce magnsesium chloride solution and hydrogen gas. a)write a balanced chemical equation for this reaction and include phase designations. The phase designations would be s for solid, aq for aqueous, and ...

chemistry

Could you explain this problem to me? What is the sum of the coefficients (including “1”) of the balanced equation? __CaCO3 + __NaF __ CaF2 + __Na2CO3 a.

AP Chemistry

My objective is to find the molar mass of a gas. Is this the correct balanced equation for magnesium ribbon reacting with hydrochloric acid to form hydrogen gas? 2Mg (s) + 2HCL (l) ----> H2 (g) + 2MgCl (aq) Also, I'm required to find the mass of the magnesium ribbon in ...

chemistry

Magnesium can be produced by reaction of magnesium oxide (MgO) with silicon (Si). The by-product of the reaction is magnesium orthosilicate (Mg2SiO4). A reactor is charged with 183.0 kg of MgO and 116.0 kg Si. Assume the reaction goes to completion. Express your answers in kg...

science

how many molecules of oxygen are produced from the balanced equation 2kclo3=2kcl+3o2

chemistry

If a precipitation reaction occurs when a solution of one species is added to a solution of the other, enter the formulas and states of all products. Separate by comma. If there is no reaction, enter the formula and state of all ions in solution. magnesium chloride + silver ...

Science/Chemistry

Write a Balanced equation for the chemcial reaction Acetylene gas (C2H2) burns in a welding torch with oxygen to form carbon dioxide gas and water vapor. C2H2(g) + O2(g) ==> CO2(g) + H2O(g) It isn't balanced. I will leave that for you. How do i balance it? trial and error. ...

chemistry

A mass of 2g of magnesium wire is oxidized with 150 ml of 0.5 mole/l (HCL solution) write the half rxn and the balanced equation of the overall rxn

chemisy

Methane (CH4) burns in oxygen to produce carbon dioxide and water vapor. The balanced equation is: CH4 + 2 O2 -> CO2 + 2 H2O What volume of carbon dioxide is produced when 3.2 L of oxygen are consumed?

chemistry

Methane (CH4) burns in oxygen to produce carbon dioxide and water vapor. The balanced equation is: CH4 + 2 O2 -> CO2 + 2 H2O What volume of carbon dioxide is produced when 3.2 L of oxygen are consumed?

Chemistry

Write a balanced overall reaction from these unbalanced half-reactions. Sn->Sn2+ Ag+->Ag Balanced overall equation I got Sn+2Ag+->Sn+2Ag, but its wrong.

Chemistry

10.0 grams of magnesium reacted with fluorine to produce MgF2 Find balance equation: 2MgF2=2MgF 1)can someone explain to me how many grams of fluorine reacted with magnesium. 2)How many grams of MgF2 were formed in the reaction?

Chemistry

Write the balance equation and the reaction type when magnesium is added to HCl

chemistry

Calculate the theoretical yield (g) of precipitate formed when 10.0 mL of 0.50 M magnesium nitrate is added to 5.0 mL of 0.50 M potassium phosphate? [You must first write the balanced chemical equation.] Which reactant is present in excess?

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  26. 26
  27. 27
  28. 28
  29. 29
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
  38. 38
  39. 39
  40. 40
  41. 41
  42. 42
  43. 43
  44. 44
  45. 45
  46. 46
  47. 47
  48. 48
  49. 49
  50. 50
  51. 51
  52. 52
  53. 53
  54. 54
  55. 55
  56. 56
  57. 57
  58. 58
  59. 59
  60. 60
  61. 61
  62. 62
  63. 63
  64. 64
  65. 65
  66. 66
  67. 67
  68. 68
  69. 69
  70. 70
  71. 71
  72. 72
  73. 73
  74. 74
  75. 75
  76. 76
  77. 77
  78. 78
  79. 79
  80. 80
  81. 81
  82. 82
  83. 83
  84. 84
  85. 85
  86. 86
  87. 87
  88. 88
  89. 89
  90. 90
  91. 91
  92. 92
  93. 93
  94. 94
  95. 95
  96. 96
  97. 97
  98. 98
  99. 99
  100. 100