Post a New Question

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

57,954 results

Chem 101
In a fission reaction, uranium-235 bombarded with a neutron produces strontium-94, another small nucleus, and 3 neutrons. Write the nuclear equation for this reaction.

Organic Chem 2
Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a gas is evolved). This is for benzocaine experiment

Organic Chemistry
Write the equation for the reaction that occurs when sodium carbonate is added to the mixture of the reaction and water (hint: a gas is evolved). This is for benzocaine experiment

Chemistry
What is the overall equation, the complete ionic equation, and the net ionic equation for the reaction that occurs when aqueous solutions of cobalt (II) bromide and sodium hydroxide are mixed?

Chemistry
These are the answers I got for the following problems - am I right? 1) How many grams of water, H2O, and propene, C3H6, can be formed from the reaction of 6.0 g of 2-propanol, C3H8O? C3H8O ----> C3H6 + H2O 1.8g H2O and 4.2g C3H6 2) How many moles of water, H2O, can be ...

Chemistry
I am having a bit of difficulty getting the net equation and the net ionic equation and the net ionic equation. I think I have the balance equation right. Thanks in advance for any help. For the acid base neutralization reaction of carbonic acid, H2CO3(aq), and lithium ...

Chemistry
2 H2S (g) + SO2 (g) <===> ƒnƒn3 S (s) + 2 H2O (g) 1) At 298 K, the standard enthalpy change, H¢X, for the reaction represented below is -145 kilojoules. (a) Predict the sign of the standard entropy change, S¢X, for the reaction. Explain the basis foryour prediction...

chemistry
(7 points) 1. The reaction that you just witnessed in while doing your titration was: HCl + NaOH  H2O + NaCl. This equation is balanced. Your unknown solutions contained HCl solutions of unknown concentrations, and your titrant was a 0.75 M solution of NaOH. Use the ...

SMK Duma
how to calculate ? when 21g of magnesium carbonate was heated , magnesium oxide produced . carbon dioxide also released. what is the volume of carbon dioxide released ?

DrBob222
These are the other equations I've balanced. I need help with one. AgNO3 + K2Cr2O7 --> double replacement AgNO3 + K2Cr2O7 --> AgCr2O7 + K2NO3 Please tell me if I've balanced these right. Br2 + NiI3 --> single replacement, element is a non-metal Br2 + NiI3 --> I3 + ...

chemistry
when magnesium chlorate under goes decompostion, oxgen gas is realsed in the following reaction: 2KClO3→ 2KCl + 3O2 when 3.50 grams of potassuim chlorate is decomposed at STP, how many litters of oxgen will be produced?

chemistry
magnesium chlorate under goes decompostion, oxgen gas is realsed in the following reaction: 2KClO3 → 2KCl + 3O2 when 3.50 grams of potassuim chlorate is decomposed at STP, how many litters of oxgen will be produced?

Chemistry!!!!
1. For a reaction mechanism to be plausible, what 2 criteria must be met? 2. The reaction between CO and NO2 to produce NO and CO2 is thought to occur in 2 steps. NO2 + NO2 ====> NO + NO3 NO3 + CO =====> NO2 + CO2 The experimental rate law is, R=k[NO2]2 Write the ...

Chemistry!!!!
1. For a reaction mechanism to be plausible, what 2 criteria must be met? 2. The reaction between CO and NO2 to produce NO and CO2 is thought to occur in 2 steps. NO2 + NO2 ====> NO + NO3 NO3 + CO =====> NO2 + CO2 The experimental rate law is, R=k[NO2]2 Write the ...

ap chem
Hydrogen cyanide is produced industrially from the reaction of gaseous ammonia, oxygen and methane: 2NH3(g) + 3O2(g) + 2CH4 -->2HCN + 6H2O(g) a)If 5.00 x 10^3 kg each of NH3 , O2, and CH4 are reacted what mass of HCN will be produced, assuming 100% yield? b)At the end of ...

ap chemistry
Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2CO + O2 yields 2CO2 Delta H for this reaction is -135.28 kcal. If 811.7 kcal is released, how many moles of CO must have reacted? 1). 270.5 mol 2). 40.5 mol 3). 12.0 mol 4). 5.41 mol 5). 16.3...

AP Chemistry
Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2CO(g) + O2(g) --> 2CO2(g) change in H for this reaction is −135.28 kcal. If 811.7 kcal is released, how many moles of CO must have reacted? 1. 16.3 mol 2. 40.5 mol 3. 12.0 mol 4. 5....

chemistry
How many moles of oxygen can be obtained by the decomposition of 7.5 mol of reactant in the following reaction? 2KClO3 -> 2KCl + 3O2

Chemistry
how many liters of oxygen are necessary for the combustion of 425 g methane assuming the reaction takes place at STP

Chemistry
A(n) ____ reaction is one in which oxygen reacts with another compound to form carbon dioxide, water, and heat.

Dollarway
What kind of reaction occurs when a molecule of glucose reacts with oxygen to give carbon dioxide and water?

chemistry
When 34.1 g of lead reacts with 6.81 L of oxygen gas, measured at 1.00 atm and 25.0°C, 36.1 kJ of heat is released at constant pressure. What is DH° for this reaction?

chemistry
In a soda acid fire extinguisher, concentrated sulfuric acid reacts with sodium hydrogen carbonate to produce carbon dioxide, sodium sulfate and water. How many moles of sodium hydrogen carbonate are produced from a reaction of 0.4 moles of sulfuric acid? Write the balanced ...

science
Consider a 1.50-g mixture of magnesium nitrate and magnesium chloride.After dissolving this mixture in water,0.500M silver nitrate is added dropwise until precipitate formation is complete. THe mass of the white precipitate formed is 0.641 g. a)Calculate the mass percent of ...

chem
You mix 5.32 g of solid magnesium sulfate with 105.24 g of water inside a calorimeter. As the magnesium sulfate dissolves, the temperature of the solution rises from 24.5°C to 30.1°C. Calculate the amount of energy in kJ that was transferred into the surroundings through ...

Chemistry , please !
when 21g of magnesium carbonate was heated , magnesium oxide produced . carbon dioxide also released. what is the volume of carbon dioxide released ?

Chemistry
The equilibrium constant Kc for the following reaction is equal to 0.20 at 250°C. Calculate the equilibrium constant Kp for the reverse reaction at the same temperature. COCl2 (g) = CO (g) + Cl2 (g) I'm sorry.. English is a second language for me. After solving for K'c and ...

Chemistry
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 ...

Physical Science
why does the maximum initial reaction rate cannot be reached at low substrate concentrations.

physical science
A substance whose 0xidation number decreases during a chemical reaction

Physical science
What did svante arrhenius discover about the reaction between an Acid and a Base?

CHemistry
The first step of the synthesis is described by the reaction below. When 1.200 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of 1.0 M H2C2O4, the theoretical yield of FeC2O42H2O is ? grams im not sure what to do. do u convert 1.0M to grams first? by multiplying .013 L thx First...

Chemistry
Rates of reaction, redox reactions? 10 points? An structural isomer of bromobutane (C4H9Br) can be hydrolysed using aqueous sodium hydroxide to produce butanol. This can be represented by the following equation: C4H9Br(l) + OH-(aq) > C4H9OH(l) + Br-(aq) This reaction was ...

chemistry
The thermal decomposition of dinitrogen pentoxide in the gas phase to give nitrogen dioxide and oxygen is a first order reaction. If the half life at 55 C is 410 s, what is the value of the rate constant k? If the initial concentration of dinitrogen pentoxide in an expt at 55 ...

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. CoCl2(aq) + NaOH(aq) →

chemistry
Write down a balanced acid-base reaction given the following reactants Reactants: NaOH(aq) + HCl(aq)

Chemistry 104 PLEASE HELP ME!!
Calculate Eo (reduction potential) for the following balanced reaction. NiO2 + 2H2O + 2Fe(OH)2 Ni(OH)2 + 2Fe(OH)3

Gr.11 Chemistry
Is this right? Balanced: 3 Mg(s) + 2 Al(NO3)3(aq) = 2 Al(s) + 3 Mg(NO3)2(aq) Total Ionic Equation: 3 Mg(s) + 2 Al +3 (aq) + 6NO3 -1 (aq) = 2 Al(s) + 3 Mg+2 (aq) + 6NO3 -1 (aq) Net Equation : 3 Mg(s) + 2 Al +3 (aq) = 2 Al(s) + 3 Mg+2 (aq)

American Government
1. Justice Stephen Breyer stated, “people need to understand the importance of the Court as an institution, even though the Court’s decisions may at times be unpopular and possibly wrong,” Explain how this statement relates to the concepts of “Judicial Independence” ...

chemistry
Based on the balanced equation 2I2O5 + 10NO → 5N2O4 + 2I2 calculate the number of excess reagent units remaining when 188 I2O5 molecules and 850 NO molecules react? do i start with a new balance equation in order to solve it

CHE1
Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: 2H2O2(l) → 2H2O(l) + O2(g) ΔH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.60 g of hydrogen peroxide decomposes at constant pressure?

chemistry
2C3H6(g) + 2NH3(g) + 3O2(g) -> 2C3H3N(g) + 6H2O(g) A 150.0 liter steel reactor at 25 ºC is filled with the following partial pressures of reactants: 0.500 MPa C3H6, 0.800 MPa ammonia, and 1.500 MPa oxygen gas. If the reaction proceeds to 90% yield, and no side reactions ...

general chemistry
. The thermal decomposition of dinitrogen pentoxide in the gas phase to give nitrogen dioxide and oxygen is a first order reaction. If the half life at 55 °C is 410 s, what is the value of the rate constant k? If the initial concentration of dinitrogen pentoxide in an expt at...

general chemistry
. The thermal decomposition of dinitrogen pentoxide in the gas phase to give nitrogen dioxide and oxygen is a first order reaction. If the half life at 55 °C is 410 s, what is the value of the rate constant k? If the initial concentration of dinitrogen pentoxide in an expt at...

physical science
1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.

Chemistry
Is there a reaction between CuSO4 + KI? When I performed the reaction, a brown and yellow color was formed but when I wrote out the molecular equation, I did not find a precipitate or gas evolution.

Chemistry
Is there a reaction between CuSO4 + KI? When I performed the reaction, a brown and yellow color was formed but when I wrote out the molecular equation, I did not find a precipitate or gas evolution.

Chemistry
Is there a reaction between CuSO4 + KI? When I performed the reaction, a brown and yellow color was formed but when I wrote out the molecular equation, I did not find a precipitate or gas evolution.

Please help!! Chemistry
Ethanol is produced by the action of yeast (catalyst) on sugar cane juice. (1).What is specific name of this reaction? (2.) Write a simple word equation of this reaction.

Please help!! Chemistry
Ethanol is produced by the action of yeast (catalyst) on sugar cane juice. (1).What is specific name of this reaction? (2.) Write a simple word equation of this reaction.

Chemistry
in a particular redox reaction, MnO2 is oxidized to MnO4– and fe3+ is reduced to fe2+. Complete and balance the equation for this reaction in acidic solution. Phases are optional.

Physical Chemistry
When the reaction glucose-1-phosphate (aq) --> glucose-6-phosphate (aq) is at equilibrium at 25.0 degrees celcius, the amount of glucose-6-phosphate present is 95% of the total. A.) Calculate the Standard Delta G at 25.0 degrees celcius. B.) Calculate Delta G for the ...

Chemistry
Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water? The GFM of the sample is 174.3amu. Now.. how do I go about finding the weight of the magnesium carbonate?

Chemistry
For every liter of sea water that evaporates, 3.70g of magnesium hydroxide are produced. How many liters of sea water must evaporate to produce 5.00 moles of magnesium hydroxide? Please show and explain all steps! Thank you!

Chemistry
An antacid tablet containing magnesium hydroxide instead of calcium carbonate was dissolved in 100.0 mL of 0.2893 M HCL. 10 mL of this solutions was titrated to endpoint with 25.20 mL of 0.1007 M NaOH. How much magnesium hydroxide was in the antacid tablet(in mg)? Any help is ...

Algebra I
Write an equation based on the given facts and find the solution. Show all your work, including the steps for solving the equation and checking your answer. –2 times a number plus 12 is –110. Find the number.

chem
a soln. that is .195 M in CH3NH2 and .105 M in CH3NH3Br what is the balanced equation for this ? How do you know ?

Chemistry
What is the balanced chemical equation for neutraling chlorine with sodium thiosulfate

chemistry
Why must a balanced chemical equation be used when determining Keq?

Chemistry
What is the balanced ionic equation between bromine and sodium bisulfite??? thanks

chemistry 1
what is the value of the coefficient for cobalt when the following equation is balanced Co(s)+ O2 (g)> Co2O3(s)

Chemistry
Have I balanced this equation correctly CN + NaOCL---OCN + NaCl

chemistry
Why must a balanced chemical equation be used when determining Keq?

chemistry
CuCl2(aq) and Na2CO3(aq) are mixed.Write the balanced equation for the process.

Chemistry
When NiCl2.6H2O dissolves in water, what does it form (i.e. balanced equation)?

chemistry
give a balanced equation between phosperuos and sodium hydroxide

Chemistry
Write a balanced equation for copper oxide + Ethanoic Acid

Organic Chem
Write the balanced equation for dibenzalacetone and benzoic acid

chemistry
What is the balanced equation for 0.60M Phosphoric acid and 1.85M NaOH?

Chemistry
What is the full balanced equation?? Hg2(NO3)2(aq) + HBr(aq) → ?

chemistry
From the balanced equation for tums and .0072mL calculate no. moles titrated.

Chemistry
NaCl+H2SO4 Write the balanced net ionic equation.

Chemistry
NaBr+H2SO4 Write the balanced net ionic equation.

chemistry
KI+H2SO4+KIO3 Write the balanced net ionic equation.

chemstry
when the equation is balanced, the lowest whole number coffinent for hydrogen is?

chemistry
What are the steps in finding the balanced equation for the complete combustion of benzene?

chemistry
what is the word and balanced chemical equation for oxalic acid and marble?

chemistry
What is the balanced chemical equation Shampoo? please i need a help ASAP!

chemistry
When the following equation is balanced, what is the coefficient for Ta? H2 + Ta2O3 → Ta + H2O

science
what is the balanced chemical equation for (NH4)2SO4 + CuSO4.5H2O?

Chemistry
Balanced chemical equation for H2O + SO2 --> O3 + H2S + SO3?

chemistry
Write the balanced chemical equation for the oxidation of catechol to quinone.

Chemistry
I am not sure if I answered the question below correctly and if I need all the information in my answer. Do I need all of this information? Why does the simplest ketone have 3 carbon atoms and no less? The simplest ketone has three carbon atoms and no less because of the ...

chemistry
what volume of a 2.4 mol/L magnesium oxide solution contains 2.3 mol of magnesium oxide?

chemistry
I cannot figure out how to work this stoichiometry problem with the given equation: Mg+2HCl-->MgCl2+H2 What volume of hydrogen is produced from the reaction of 50.0g of Mg and the equivalent of 75g of HCl What do you not understand about it? It is a limiting reagent problem...

Physical anthropology
Chinese premoderns retain certain H. erectus trails including- A. extreme post orbital construction and sagittal crests B. projecting canines and diastemata C. sagittal ridges and flattened nasal bones D. All of the above

chemistry
Doing review for an exam and I can't find how to do this problem in my notes. 2 SO2 + 2 Cl2 -----> 2 SOCl2 + O2 from a previous problem I solved: rate=k[SO2]^2[Cl2] k = 467.666666... or in sig. figs 467 Energy reaction: T= 25 C The activation energy (Ea) is 35.0kJ/mole ...

chemistry
Doing review for an exam and I can't find how to do this problem in my notes. 2 SO2 + 2 Cl2 -----> 2 SOCl2 + O2 from a previous problem I solved: rate=k[SO2]^2[Cl2] k = 467.666666... or in sig. figs 467 Energy reaction: T= 25 C The activation energy (Ea) is 35.0kJ/mole ...

science
write word equations and balanced chemical equations for each of the following reactions: a)calcium bicarbonate reacts with hydrochloric acid. b)magnesium hydroxide reacts with hydrochloric acid. c)Aluminum hydroxide reacts with hydrochloric acid.

Intro to Physical Science
Define physical science Andrew: I went to www.dictionary.com and typed in physical science. The following is what it returned.I hope this helps. physical science  1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and ...

chemistry help plz
if 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured togehter, what is the maximum mass of bismuth sulphide an insoulble compound that could precipitate? Which reactant was the limitting reactant? Na2S + Bi...

Chemistry
For the reaction: H2(g) + Cl2(g) ¨ HCl(g) (is this balanced?) calculate the mass, in grams of H2 needed to react with 25.0g Cl2. A. none of these B. 25.0 C. 0.711 D. 0.353

chemistry
What is the molar solubility of Sr3(AsO4)2 and the concentration of Sr^+2 and AsO4^-3 in a saturated solution at 25C? the Ksp is 1.3 E -18. Show the balanced reaction.

chemistry
Calculate the molarity if a Ba(OH)2 solution if a 37.25ml portion of this solution is neutralized by 45.00mL of 1.500M HCl. You will need the balanced reaction

Chemistry
When solutions of KCl and Pb(NO3)2 are mixed, a precipitate forms. Which of the following is the balanced equation for the double replacement reaction that occurs? a. KCl(aq) + Pb(NO3)2 (aq) ¨ KNO3 (aq) + PbCl2 (s) b. KNO3 (aq) + PbCl2 (s) ¨ KCl(aq) + Pb(NO3)2 (aq) c. K...

emily
some skin creams claim that they are "pH balanced" and yet do not have a pH of 7. what do they mean when they say pH balanced?

Chemistry+Balancing equations
Aqueous magnesium hydroxide has been used for many uears because it reacts with HCL to produce magnesium chloride So far I got Mg(pos. 2 charge)OH2(-1 charge) + HCL >>>>>>> Mg(+2 charge)Cl2(-1 charge) + H2O did i get that rite?

chemistry
If 15.0 mL of a 1.5M HCl solution at 22.5 degrees C is mixed with 25.0mL of a 1.5M NaOH solution at 21.5 degrees C that is in a calorimeter, and the final mixed solution temperature ends up at 28.5 degrees C, 1.)what is the balanced equation for this reaction? 2.) what is the ...

chemistry
an ezyme -catalysed reaction was carried out in a solution buffered with 0.05 M phosphate ph 7.2 . As a result of the reaction ,0.06M of acid was formed. (phosphoric acid has three pka values. The one required for this calculation is pka2=7.2). 1) what was the pH at the end of...

Chemistry
1. Molarity is to moles of solute over liters of solution as molality is to A. molar concentration over molal concentration. B. moles of solute over kilograms of solvent. C. molal concentration over molar concentration. D. moles of solute over moles of solvent. 2. In ...

  1. Pages:
  2. <<Prev
  3. 15
  4. 16
  5. 17
  6. 18
  7. 19
  8. 20
  9. 21
  10. 22
  11. 23
  12. 24
  13. 25
  14. 26
  15. 27
  16. 28
  17. 29
  18. Next>>

Post a New Question