Sunday
February 19, 2017

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

Number of results: 56,613

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.
November 21, 2014 by lori

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 ...
March 18, 2014 by keitanako

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...
October 22, 2009 by susie

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...
October 22, 2009 by susie

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 ...
October 20, 2006 by Angela

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 ?
March 8, 2009 by natash

Chemistry
What is the balanced chemical equation for neutraling chlorine with sodium thiosulfate
May 4, 2009 by Crista

chemistry
Why must a balanced chemical equation be used when determining Keq?
June 3, 2009 by kelly

Chemistry
What is the balanced ionic equation between bromine and sodium bisulfite??? thanks
March 1, 2010 by niki

chemistry 1
what is the value of the coefficient for cobalt when the following equation is balanced Co(s)+ O2 (g)> Co2O3(s)
March 5, 2010 by jeanette

Chemistry
Have I balanced this equation correctly CN + NaOCL---OCN + NaCl
April 6, 2010 by Mel

chemistry
Why must a balanced chemical equation be used when determining Keq?
May 25, 2010 by sara johnson

chemistry
CuCl2(aq) and Na2CO3(aq) are mixed.Write the balanced equation for the process.
October 20, 2010 by Bonnie

Chemistry
When NiCl2.6H2O dissolves in water, what does it form (i.e. balanced equation)?
March 7, 2011 by John

chemistry
give a balanced equation between phosperuos and sodium hydroxide
August 22, 2011 by wane

Chemistry
Write a balanced equation for copper oxide + Ethanoic Acid
October 2, 2011 by Eloise

Organic Chem
Write the balanced equation for dibenzalacetone and benzoic acid
October 10, 2011 by Ruth

chemistry
What is the balanced equation for 0.60M Phosphoric acid and 1.85M NaOH?
January 24, 2012 by Alexis

Chemistry
What is the full balanced equation?? Hg2(NO3)2(aq) + HBr(aq) → ?
January 26, 2012 by Shea

chemistry
From the balanced equation for tums and .0072mL calculate no. moles titrated.
February 9, 2012 by Everett

Chemistry
NaCl+H2SO4 Write the balanced net ionic equation.
February 17, 2012 by Alex

Chemistry
NaBr+H2SO4 Write the balanced net ionic equation.
February 17, 2012 by Alex

chemistry
KI+H2SO4+KIO3 Write the balanced net ionic equation.
February 18, 2012 by Greg

chemstry
when the equation is balanced, the lowest whole number coffinent for hydrogen is?
December 12, 2012 by los

chemistry
What are the steps in finding the balanced equation for the complete combustion of benzene?
December 13, 2012 by Morgan

chemistry
what is the word and balanced chemical equation for oxalic acid and marble?
April 18, 2013 by sarah

chemistry
What is the balanced chemical equation Shampoo? please i need a help ASAP!
November 26, 2014 by krisha

chemistry
When the following equation is balanced, what is the coefficient for Ta? H2 + Ta2O3 → Ta + H2O
December 6, 2014 by Taylor

science
what is the balanced chemical equation for (NH4)2SO4 + CuSO4.5H2O?
March 1, 2015 by Bonga

Chemistry
Balanced chemical equation for H2O + SO2 --> O3 + H2S + SO3?
April 24, 2016 by Name

chemistry
Write the balanced chemical equation for the oxidation of catechol to quinone.
October 4, 2016 by jack

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?
November 9, 2009 by c

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!
September 29, 2010 by Jack

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 ...
May 7, 2013 by Mindy

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.
May 31, 2012 by Kasey

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...
February 5, 2007 by Carter

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 ...
July 13, 2011 by energy diagram

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 ...
July 14, 2011 by energy diagram

chemistry
what volume of a 2.4 mol/L magnesium oxide solution contains 2.3 mol of magnesium oxide?
March 12, 2015 by sharon

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.
June 22, 2016 by Adivhaho

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...
January 8, 2010 by bobsley plz conform

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 ...
February 16, 2008 by Megan

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
March 13, 2012 by Taylor

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 ...
September 9, 2006 by andrew

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...
November 30, 2012 by Z

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
March 5, 2011 by Anthony

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.
June 10, 2012 by Chloe

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
March 14, 2014 by Anonymous

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?
March 19, 2014 by please answer!! ASAP

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?
February 3, 2009 by Chopsticks

Social Studies
The Surpreme Court ruled that slaves were not citizens of the U.S. and had no rights. Answer:Dred Scott decision The number of slave states and free states was kept balanced when Missouri was allowed into the Untion as a slave state and Maine as a free state. Answer:Missouri ...
March 19, 2012 by Derrick

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 ...
April 13, 2014 by Alison

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. aluminum sulfate + lead(II) ...
November 23, 2010 by Amrita

chemistry
determine the mass of CO2 produced when 76.8g of CaO is reacted with 50.0 g of C acording to the unbalanced equation... CaO + C ==> CaC2 CO2 after i balanced the equation i got 2CaO +5C ==> 2CaC2 +CO2
March 22, 2011 by Anonymous

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 ...
September 26, 2011 by Jack

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...
January 12, 2016 by josh

chemistry
At 300.K and 1.00 atm, assume that 25 mL of NO gas reacts with 22 mL of oxygen gas and excess water to produce nitric acid according to the following equation: O (g) H O(l) 2 HNO (g) 2 2NO(g) 3 + 2 + 2 ⎯⎯→ 3 . If all of the nitric acid produced by this ...
March 21, 2010 by bob

chemistry
the thermal decompostion of 26.4g of CaCo3 produced10.6g calcium and 3.17g carbon. calculate the mass of oxygen produced in this reaction.
February 13, 2011 by Mary

chemistry
if 15 grams of ethane gas c2h6, reacts with 128 g oxygen un a combustion reaction, how many moles of water can be produced?
January 31, 2016 by jen

science
identify the type of reaction when hydrogen sulphide gas burns in oxygen to give water and sulphur dioxide
June 16, 2016 by shivani

Chemistry
For the reaction shown, calculate how many grams of oxygen form when each of the following completely reacts. 2HgO(s)→2Hg(l)+O2(g)
July 17, 2016 by Marley

chemistry
Write a balanced equation for the neutralization of each of the following. Express your answer as a chemical equation. Identify all of the phases in your answer. Part A: H3PO4(aq) and NaOH(aq) Part B: Hl(aq) and LiOH(aq) Part C: HNO3(aq) and Ca(OH)2(aq
April 1, 2012 by Lisa

physical chemistry
for this equation Fe(CN)6 4- + Fe 3+ --> Fe(CN)6 3- + Fe 2+ at 310 K and pH 2 using the equation E = Eo + 2.303 RT/nF log K - 2.303 pH RTh/nF what is h ?
February 16, 2010 by lucy

chemistry
Subject – equilibria Pure ethanoic acid (25.0cm3, CH3COOH), pure ethanol (35.0 cm3, C2H5OH) and pure water (20.0cm3, H2O) were mixed in a sealed flask at room temperature. The flask was placed in a heated water bath and maintained at 323K until equilibrium was established. ...
May 7, 2012 by yaya

Chemistry
Imagine that you have a 6.00L gas tank and a 3.00L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 125atm , to what pressure should you fill the...
May 1, 2015 by Anonymous

Chemistry
Chemistry HELP - 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) ...
March 27, 2012 by Lola

chemisty
4. N2+3H2----2Nh3 k=1.2 at a T=375C you initially have 0.249mol of N2. 3.21*10^-2mol of H2, and 6.42*10^-4 mol of NH3 in a 3.5L container a.what is the equation to determine the reaction quotient, Q b.determine the reaction quotient Q c. compare Q and K. determine which way ...
March 20, 2011 by shanice

College Chemistry
Sulfur trioxide is made from the reaction of sulfur dioxide and oxygen. how many grams of SO3 can be made from the reaction of 1.91g SO2 with 1.29g O2? 2 SO2(g) + O2(g)---> 2SO3(g) a) 2.39g b) 3.20g c) 3.23g d) 4.77g e) 6.46g How would i solve this problem?? Im thinking i ...
May 4, 2010 by James

Chemistry II
17.5 mL of oxygen gas were collected at room temperature (22oC) and 100.2 kPa of atmospheric pressure. a) How many moles of oxygen gas were produced? b) What is the molar volume of the oxygen gas at the conditions in the laboratory?
September 14, 2009 by pasely

chemistry
A 36.1 mL sample of oxygen gas contains 0.529 mol of oxygen. If enough oxygen is added to the sample to obtain a volume of 50.5 mL, what must the final mass of the sample be? (The pressure and temperature is constant.)
September 29, 2014 by Br¥an

Chemistry
2C6H6(l) + 15O2 (g) ---> 12CO2 (g) + 6H2 (l) Calculate the deltaHrxn using standard heats of formations from Appendix C, paying close attention to the physical states of substances. Thanks!
April 30, 2012 by Julio

Chem I
Ok one more! Write the balanced equations and assign oxidation numbers to all atoms in these two reactions involving iron. If the effective oxidation number of any particular atom changes during the reaction then a redox reaction has occurred. If a redox reaction takes place ...
November 15, 2010 by Natalea

AP Chemistry
Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). The balanced equation is given below. C7H6O3 + C4H6O3 C9H8O4 + HC2H3O2 (a) What mass of acetic anhydride is needed to completely consume 4.40 102 g salicylic acid? What is the ...
August 30, 2010 by BB

Chemestry
Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). The balanced equation is given below. C7H6O3 + C4H6O3 C9H8O4 + HC2H3O2 (a) What mass of acetic anhydride is needed to completely consume 4.20 102 g salicylic acid? g (b) What is...
February 2, 2012 by Jocelyn

college us history to 1877
compare and Contrast the New England, Southern and Middle colonies using geography including a appraisal of a geographic perspective that considers physical and cultural processes as they effect the areas, population, reason for coming to America, religion, and economy.
September 20, 2012 by tristen

Chem
In an experiment 16.81 +/- 0.02 grams of hydrogen peroxide chemically decomposes into the products water and oxygen gas. The measured mass of oxygen gas produced in the reaction is 8.854 +/- 0.003 grams. Report the mass of water produced to the correct number of significant ...
February 8, 2008 by CHEM HELP!

Chem
In an experiment 16.81 +/- 0.02 grams of hydrogen peroxide chemically decomposes into the products water and oxygen gas. The measured mass of oxygen gas produced in the reaction is 8.854 +/- 0.003 grams. Report the mass of water produced to the correct number of significant ...
February 8, 2008 by Chem Help!!

Science help
Will someone please check my work for me? Molecules involved in a chemical reaction must meet to react. What is this concept called? entropy enthalpy collision theory<---- reaction rate 2. Which of the following equations is used to describe reaction rates? ∆H - T&#...
June 21, 2012 by Napolian 2

Chemistry(Please respond)
Step 1:H2O2 + I^-^ = H2O + OI^-^ step 2: H2O2 + OI^-^ = H2O + O2 + I^-^ What is the equation for the overall reaction? I am not sure how to do this since there are two equations. Complete the rate law for the overall reaction. I know how to do this one but I am not sure of the...
April 19, 2012 by Hannah

Chemistry Need Help!
Okay, the reaction is this: Naphthalene + HNO3 ---> NitroNapthalene The limiting reagent is Naphthalene The excess is the nitric acid The equation is 1:1 balanced as far as I know 3 g of Nap used in the experiment x 1mol/128.17 g/mol = .023 mol Nap 12.69 g used in the ...
March 4, 2014 by ChrisZZ

Chemistry
can anyone explain how does the balanced chemical equation show the law of conservation of mass?
January 6, 2008 by John

Chemistry
Whats the balanced net ionic equation for Chlorine reduced by Bromine?
February 13, 2008 by Jason

Chemistry
What's the balanced chemical equation of cleaning up oil, whether it be a spill, pipe etc.
April 10, 2010 by Juggy

science
what is the balanced equation of the titration CH3COOH(aq) + NaOH(aq) → H2O(l) + NaCH3COO(aq)?
April 26, 2010 by mary

chemistry
what is the balanced equation for potassium iodide and solid zinc in an acidic solution
June 21, 2010 by Anonymous

chem 101
write a balanced chemical equation for the complete combustion of sucrose.
September 29, 2010 by emily

chem
Can I2 oxidize metallic aluminum? Show the balanced chemical equation and the Eo values.
October 31, 2010 by m

chem
Can I2 oxidize metallic aluminum? Show the balanced chemical equation and the Eo values.
October 31, 2010 by m

chemistry
balanced equation: HC2H3O2 + NaOH -> What is the mole ratio of these two substances?
November 29, 2011 by science

Chemistry
Find the product and list the full balanced equation. CuCl2 + AgNO3 -> ?
January 15, 2012 by Shea

Chemistry
In basic solution, H2O2 oxidizes Cr+3 to Cro4^-2 and is reduced to OH-. What is the balanced equation?
February 22, 2012 by Cynthia

Chemistry
What is the balanced equation for the neutralization of lactic acid using Sodium bicarbonate?
May 27, 2012 by Amy

Chemistry
What is the balanced equation for copper (II) sulfate pentahydrate and potassium oxalate monohydrate?
July 6, 2012 by Zach

Chem
What is the balanced net ionic equation for copper(2)chloride and potassium carbonate ?
September 8, 2015 by Nicole

Honors Chemistry
Predict Products and write balanced equation FeBr3 + 3Ba(0H)2
December 3, 2015 by Jon

Science
chemical equation for sodium hydrogen carbonate and acetic acid (not balanced)
March 13, 2016 by Sai Swarup

chemistry
Record and calculate the following masses: (a)mass of empty beaker: 47.420g (b)mass of beaker plus Na₂CO₃:47.920g (c)Mass of Na₂CO₃:0.5g (d)mass of beaker plus NaCl:47.438g (e) Mass of NaCl (g):0.018g **I need help with these questions below** 2. ...
June 7, 2012 by chelsea

chem
Consider the reaction that occurs on mixing 50.0 mL of 0.560 MNaHCO3 and 50.0 mL of 0.400 M NaOH at25oC. (a) Write a balanced net ionic equation for thereaction. (b) What is the pH of the resulting solution? (c) How much heat (in joules) is liberated by thereaction? (standard ...
March 29, 2011 by pal

Chemistry-DrBob222
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...
January 17, 2011 by Patrick

Physics
An oxygen molecule consists of two oxygen atoms whose total mass is 5.3 x 10^-26 kg and whose moment of inertia about an axis perpendicular to the line joining the two atoms, midway between them, is 1.9 x 10^-46 kg*m^2. Estimate, from these data, the effective distance between...
April 19, 2010 by Alley

  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>>