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June 29, 2016

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

Number of results: 53,715

History (PLEASE) stuck
What did President James Polk hope to gain as a result of provoking a war with Mexico? control of the Rio Grande additional territory including California and New Mexico support from the Native Americans in the Southwest clarification of the border between the United States ...
December 4, 2014 by Tayla

Chemistry
What is the net ionic equation including phases for NiPO4(s) dissolving in H3O^+(aq) ?
June 10, 2013 by chemstudent

Chemistry
In a copper cycle lab if I add HCl to CuO to produce CuCl, what would a word equation for that reaction be? Is it a chemical reaction? and also for that step what complexes are observed? what does that mean?
November 8, 2015 by Dan

Chemistry
In a copper cycle lab if I add HCl to CuO to produce CuCl, what would a word equation for that reaction be? Is it a chemical reaction? and also for that step what complexes are observed? what does that mean?
November 8, 2015 by Dan

Chemistry
A solution made up of 1.00 M NH3 and 0.500 M (NH4)2SO4 has a pH of 9.26. a. Write the net ionic equation that represents the reaction of this solution with a strong acid. b. Write the net ionic equation that represents the reaction of this solution with a strong base. c. To ...
August 3, 2014 by Jason

Chemistry
Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s) + 2HCl(aq) --> ZnCl2(aq) + H2(g) When 0.114 g of Zn(s) is combined with enough HCl to make 51.1 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the ...
April 2, 2010 by dina

chemistry
How many moles of magnesium is 1.25 x 1023 atoms of magnesium? A. 0.208 101 mol Mg B. 2.08 101 mol Mg C. 2.08 10 -1 mol Mg D. 20.8 mol Mg I think it would be D
November 10, 2012 by Drew

stoichiometry
in an attempt to to provide a means of generation of NO cheaply, gaseous NH3 is burned with 20% excess oxygen according to the equation 4NH3+5O2=4NO+6H2O The reaction is 70% complete. the NO is seperated from the unreacted NH3, and thelatter is recycled. compute 1. moles ofNO ...
January 13, 2016 by Matilda

chemistry
The problem: Nitrogen can react with steam to form ammonia and nitrogen monoxide gas. A 20.0L sample of nitrogen at 173C and 772mmHg is made to react with an excess of steam. The products are collected at room temperature (25C) into an evacuated flask with a volume of 15.0 A. ...
June 17, 2009 by Gweedo

Chemistry
Imagine that you are a charge nurse in a nursing home. You are typically the only medical personnel in the house at any one time. A patient who is known to have excess stomach acid asks you to give him an antacid tablet. The typical antacid is either calcium carbonate or ...
September 19, 2014 by Mickey

math
Can someone assit me with my two math problems Assume that the salaries of elementary school teachers in the united states are normally distributed with the mean of 36,000 and a standard deviation of 6,000. What is the cut off salary for teachers in the bottom 10%? A physical ...
April 18, 2010 by Tasha

Chemsitry
How do yuo find the amount in moles of excess reactant that reamins Please retype that, minding your spelling. =) Can you please show me how to determine the amount in moles of excess reactant that remains Sorry about the mistakes =) This is part of an excess reagent problem. ...
February 24, 2007 by Beautiful

chemistry
LiOH and NaOH can each react with CO2 to form the metal carbonate and H2O. These reactions can be used to remove CO2 from the air in a spacecraft. a. Write a balanced equation for each reaction. b. Calculate the grams of NaOH and of LiOH that remove 288 g CO2 from the air. c. ...
June 2, 2010 by mikey d.

physics urgent help !
if a 3e charge is at the origin and a magnesium nucleus is 3 cm from the originin the x-axis direction.what is the magnitude of the net electrostatic force a Boron nucleus would experience at the point half way between magnesium nucleus and 3e charge on the y-axis in N
November 11, 2013 by james

chemistry
2. Zinc metal reacts with HCL similarly to magnesium: Zn(s) + 2HCL(aq) = ZnCl2(aq) + H2(g). the H2 gas produced was collected over water at 25 degrees Celsius and had a volume of 7.80L at 0.980 atm. How many grams of Zn were consumed in the reaction? (Vapor pressure of water ...
May 2, 2012 by preshi

Chemistry
Nitric acid, HNO3, is produced from ammonia and oxygen by the consecutive reactions: 4NH3 + 5O2 => 4NO3 + 6H2O 2NO + O2 => 2NO2 3NO2 + H2O => 2HNO3 + NO How many grams of nitric acid can be obtained from 1.00kg NH3 if NO in the third reaction is not recycled? Why is ...
October 11, 2015 by Faith

Chem help?
In an experiment 5.57 +/- 0.02 grams of water chemically decomposes into the products hydrogen gas and oxygen gas. The measured mass of oxygen gas produced in the reaction is 4.9320 +/- 0.0001 grams. The hydrogen gas occupies a volume of 6902 mL. Report the density of the ...
February 7, 2008 by sool

CHEM!!
In an experiment 5.57 +/- 0.02 grams of water chemically decomposes into the products hydrogen gas and oxygen gas. The measured mass of oxygen gas produced in the reaction is 4.9320 +/- 0.0001 grams. The hydrogen gas occupies a volume of 6902 mL. Report the density of the ...
February 7, 2008 by HELP!!

AP Chemistry
1) Calculate the volume of air at 30 degrees C and 1.00 atm that is needed to burn completely 10.0 grams of propane. Assume that air is 21.0 percent O2 by volume. 2) Assuming all of the heat evolved in burning 30.0 g of propane is transferred to 8.00 kg of water (specific heat...
October 29, 2006 by OhGodChemistry

Chemistry
Use oxidation numbers to identify reaction is REDOX reactions. a. 2SO2(g) + O2(g) -> 2SO2(g) for 2SO2 I got: -2 for S, -2 for O for O2 I got 0 for 2SO2 I got -2 for S again, and -2 again for 0 Therefore I lost one oxygen and a REDOX reaction occured Am I right?????
June 19, 2011 by Amy

chm152
Consider the equilibrium of water with gaseous hydrogen and oxygen: Give the value of for this reaction, if it is written as: Choose one answer. a. -7.8 x 10^-16 b. -3.9 x 10^-16 c. 1.3 x 10^-15 d. 6.4 x 10^-14 e. 3.6 x 10^2
March 27, 2010 by ami

chemistry
the following reaction is endothermic; 3O2(g) = 2O3(g) If this reation is at equilibrium will it shift to the right or left if we: 1) add some oxygen
March 30, 2011 by Chris

Chemistry
The standard enthalphies of formation of ozone, O3(g), and oxygen atoms are +142.70 and +249.17 kJ/mol. Calculate the reaction enthalpy for 2O2(g)-->O3(g)+O(g)
October 20, 2012 by Sam

Chemistry
suppose 8.00 g of CH is allowed to burn in the presence of 9.00 g of oxygen. how much (in gram) CH4 , O2 and H2O remain after the reaction is complete ?
August 11, 2013 by kate

biology
list 2 forms of oxygen found in the atmosphere name the process by which [1]oxygen from the atmosphere is used up [2]oxygen is returned to the atmosphere
February 27, 2012 by akansha

Chemistry
H2 and F2 react according to the following equation, forming HF. H2(g) + F2(g)  2HF(g); H = 271 kJ If H2(g) and F2(g) were mixed in a thermally insulated vessel, the reaction that occurred would be a. endothermic, and the temperature of the reaction system ...
July 2, 2013 by Kayla

chemistry
Write the complete balanced molecular, ionic,and net ionic equations for the reaction of nickle II chloride + sodium phosphate. Which product,if any, is a precipitate?
December 3, 2009 by LaLa

Chem
Write the balanced net ionic equations for the reaction of a) added H+ and B) added OH- with the components of the acetic acid/sodium acetate buffer solution:
February 9, 2011 by Bubba

in-organic chemistry
provide balanced equations that represent the thermal decomposition of sodium nitrate and calcium nitrate; compare and comment on the products of each reaction.
August 27, 2011 by bulelwa

chemisrty
I have no idea how to do this activity..can someone please help!? In this activity you will investigate how chemical reactions are limited by the amount of reactants present. You will be using paper clips to represent atoms. You can describe the quantities of reactants and ...
November 16, 2009 by Ethan

History Essay
How does this sound so far? It is the introduction to an essay about the history of Canada. The History of Canada The broad and beautiful country of Canada stretches from the Pacific Ocean in the west to the Atlantic Ocean in the east and form the Arctic Ocean in the north to ...
February 21, 2009 by Anonymous

college chemistry
I am having trouble deciding what formula to use for the following problem. Any help would be appreciated. Magnesium in flashbulbs burns according to the equation 2 Mg (s) + O2 (g) --> 2MgO (s) What mass of Mg combines with 5.80 L of O2 measured at STP?
October 14, 2008 by Chris

Chemistry; Stoichiometry
Consider the reaction 2Al + 3CuSO4 = Al2(SO4)3 + 3Cu What is the maximum amount of Cu (63.5 g/mol) that could be produced by reacting 20.0 grams of Al (27.0 g/mol) with excess CuSO4? 1. 70.6 g 2. 57.2 g 3. 129 g 4. 31.4 g Consider the reaction 4As + 3O2 = 2 As 2O3 What is the ...
May 6, 2010 by Annalie

civics
I couldn't not find the answer to this in my book. The county form of local government is found in a. about half the states, b. all but two states, c.only 2 states, d. fewer then half of the states. I am guessing that since my book says " over the past century, the role of ...
April 26, 2010 by Tiffany

Chem Check Please!!!
1) Assuming the following reaction proceeds in the forward direction, 3 Sn4+(aq) + 2 Cr(s) ---> 3 Sn2+(aq) + 2 Cr3+(aq) a.Sn4+(aq) is the reducing agent and Cr(s) is the oxidizing agent. b.Cr(s) is the reducing agent and Sn2+(aq) is the oxidizing agent. c.Sn4+(aq) is the ...
May 2, 2014 by Chris

chemistry
From the following combustion: 1-butanol + oxygen+ carbon dioxide + water. How many grams of carbon dioxide and water are produced when 130.6 grams of 1-butanol is completely burned? I wrote out the equation and got C4H10) + 02= CO2 + H2O. i balanced the equation and got ...
November 29, 2009 by Turtle Lover

Physical Education help
The body's reaction to information is to send these to the brain. A. Neurons B. Impulses C. Dendrites D. Synapse Is the answer B? Thank you
October 25, 2014 by Anonymous

chemistry
What physical property of water and HCl allows us to separate them from the zinc chlorine compound produced in the reaction?
February 5, 2015 by wendy

Chemistry
Can someone balance this equation using the half-reaction equation method? OF2 + I^- ----> F^- + I3^-
February 21, 2008 by Anonymous

CHEMISTRY!
A 20.00 mL of 0.200mol/L magnesium chloride solution is added to a 95.00 mL of 0.800 silver (I) nitrate solution, and a precipitate is formed. a.Determine the concetration of the nitrate ions at the end of the reaction I was able to calculate the things and make an IRF table ...
April 22, 2014 by michael

CHEM
I am still not quite grasping how to complete this problem: Posted by K on Sunday, October 14, 2007 at 6:43pm. Many home barbeques are fueled with propane gas C3H8. What mass of carbon dioxide (in kg) is produced upon the complete combustion of 18.9L of propane (approximate ...
October 15, 2007 by K

chemistry
For a particular redox reaction NO is oxidized to NO3^ and Cu^2+ is reduced to Cu. Complete and balance the equation for this reaction in basic solution: NO + Cu^2+ --> NO3^- + Cu^+ help. thanks.
December 4, 2012 by dr. bob rocks

Chemistry
Hydrogen cyanide is produced in the following balanced reaction. 2NH3 (g) + 3O2 (g) + 2CH4 (g) → 2HCN (g) + 6H2O (g) Given the following standard heats of formation, calculate the approximate ΔHrxn of this reaction. Substance ΔHf(kJ/mol) NH3 -46 CH4 -75 HCN ...
September 21, 2014 by Anonymous

chemistry
The following redox reaction occurs in basic aqueous solution. When balanced with the smallest whole number coefficients, what is the coefficient for OH-(aq)? Mn(OH)2(s) + MnO4-(aq) = MnO42-(aq). 1. ) 2 2. ) 3 3. ) 4 4. ) 6 5. ) 8 the answer i got was 6...but im no 100% sure :S
November 8, 2009 by edward

Chemistry
See bottom Patrick 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 ...
January 17, 2011 by Patrick

chem
what is the theoretical yield for the balanced equation Ti+2F2= TiF4 if the mass is 0.227 Ti, 0.296 F2?
April 29, 2008 by laurie

science
1. How many molecules of ammonia, NH3, are produced from 12.5 grams of hydrogen in the following balanced equation?
November 9, 2009 by shamisha

SCIENCE/CHEM
when the following equation is balanced , what is the sum of the co-efficients? AL2(SO4)^3+Ca(OH)2-->Al(OH)3+CaSO4
May 12, 2010 by Andy

chemistry
what is the balanced equation for the complete combustion of each of the following: hexane, methylcyclohexane, cyclopentane and 2-dimethylpropane
October 28, 2010 by Chioma

Science
Is this chemical equation correct and properly balanced, C3H4 + 5O2--> 3CO2 + 44H2O ?
January 13, 2011 by Corey

Chemistry
Solve for the missing compound in the balanced equation: 3PbO + X ----> 3Pb + N2 + 3H2O please help .
February 17, 2011 by Jazmine

Chemistry
Write a balanced chemical equation for the combustion of trioleylglycerol. The molecular formula is C57H110O6.
January 22, 2013 by Timofey

AP Chemistry
Write a balanced chemical equation for the combustion of trioleylglycerol. molecular formula C57H110O6
January 22, 2013 by Timofey

Chemistry
Balanced ionic equation for ClO + Fe(OH)3 = Cl + FeO4. Show electron balance and work
April 2, 2011 by BJ

Chemistry
write the balanced equation for the ionization of the weak base pyridine, C5H5N, in water
May 8, 2011 by Kristin

chemistry 101
What is the coefficient for aluminum after the following equation is balanced: Al(s) + O2(g) --> Al2O3(s) options: 2 4 1 3 0
July 8, 2011 by ABCD

chem
barium nitrate and sodium sulfate combine to create: write the balanced equation
February 7, 2012 by auds

Chemistry-please help quick!!
Write the elements and show the the balanced chemical equation for lime.
June 16, 2012 by Gidix

AP CHEMISTRY
Write a balanced equation for the neutralization of each of the following: H2SO4(aq) and NaOH(aq) HCl(aq) and Fe(OH)3(s) H2CO3(aq) and Mg(OH)2(s)
November 15, 2012 by Bailey

Intro to Chemistry
Balanced Equation C3H8 + 5 02-->3 CO2+ 4H20 Calculate the % yield of the products. How do I do this?
January 28, 2016 by Kimmy

Intro to Chemistry
2 Na + 2 H20 --> 2 NaOH + H2 is this the balanced equation? and How do I find calulate the % yield of the products?
January 28, 2016 by Kimmy

Chemistry (balancing equations)
Balanced Equation: 2 CuNo3 + MgCl2 ---> 2 CuCl + MgNO3 Is this correct?
February 23, 2016 by M

CHEM
Could you please tell me if these are right? Write an equation for the following reactions. Write the correct formulas of the reactants and products. Then correctly balance each equation. A.) Potassium and oxygen gas react to form potassium oxide. I got K+O2=KO2 B.) Sodium and...
October 15, 2010 by Chris

chemistry
complete the following double displacement reaction and indicate the states: KCl+AgNO3=
February 25, 2012 by Mandy

CHEMISTRY
How many oxidation states Should a substance have at least to undergo Disproportionation reaction ? thanks
July 9, 2014 by MAD

physical science
An oxygen gas tank has a volume of 8 L and a pressure of 1500 N/m2. If the temperature decreases from 2500 K to 2000 K and its volume increases to 24 L, what is its final pressure?
December 26, 2011 by Samantha

chemistry
This is from a "effect of pH on the solubility of Ca(OH)2" lab: If excess Ca(NO3)2 were present, what effect would it have on the solubility of Ca9OH)2? also, in a "effect of comlex ion formaiton on the solubility of NiCO3" lab": If HCl(aq) were added to the NiCo3 precipitate...
March 27, 2011 by redgy

College History
Comment on what James Baldwin said of the Civil rights movement challenging the Unites States to rethink What it really means by freedom, including whether freedom, applied to all Americans or only to part of the population.
November 20, 2008 by T-Bone

Chemistry
Nitrogen Dioxide NO2 decomposes upon heating to form nitric oxide and oxygen according to the following equation: 2NO2(g) --> 2NO(g) + O2(g) At the beginning of an experiment the concentration of nitrogen dioxide in a reaction vessel was 0.113 mol/L. After 60.0 s, the ...
February 17, 2008 by Lauren

chemistry
a student dissolves 0.625 g of pure benzoic acid in distilled water and titrated the resulting solution to the equivalence point using 40.8 mL of the standardized NaOH solution from Part a, assuming that benzoic acid has only one ionizable hydrogen, answer the following: ...
November 4, 2011 by Anonymous

social studies
Think of way other than by physical characteristics to divide the united states into regions.Describes the locations and features of the regions.
December 2, 2009 by ada

Chemistry
Write the formulas of the ions (including charges) present in aqueous solutions of the following: K2CO3 NH4NO3 NA2Cr2O7 Mg(C2H3O2)2 Make sure it is both mass and charge balanced. Here is a listing of many polyatomic ions. This should give you a start. Post with specific ...
April 4, 2007 by Alison

chemistry
Consider the following double displacement reactions. For each reaction, complete and balance the equation and give the net ionic equation. NH4Cl(aq)+Ca(NO3)2(aq) -> NH4(NO3)2+CaCl the second half of the equation is what I had done but I think its not right...
November 11, 2010 by Riley

chemistry
Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions of dollars everyday. Although the actual process also requires water, a simplified equation (with rust shown as iron(III) oxide (Fe2O3) is: 4Fe(s)+3O2(g) --> 2Fe2O3(s) ...
October 13, 2015 by patrick

chemistry
Am I correct? Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions of dollars everyday. Although the actual process also requires water, a simplified equation (with rust shown as iron(III) oxide (Fe2O3) is: 4Fe(s)+3O2(g) --> ...
October 14, 2015 by patrick

chemistry help
An amount of 414.27 g of zinc sulfide (ZnS, MM=97.44 g/mol) reacts with 99.58 g of oxygen gas (O2, MM=31.999 g/mol) at a constant temperature of 298.0 K and constant pressure of 1.00 atm. The reaction: 2 ZnS(s) + 3 O2(g) --> 2 ZnO(s) + 2 SO2(g) dH = -818.58 kJ a) How much ...
October 21, 2012 by Tymee

chemistry help
An amount of 414.27 g of zinc sulfide (ZnS, MM=97.44 g/mol) reacts with 99.58 g of oxygen gas (O2, MM=31.999 g/mol) at a constant temperature of 298.0 K and constant pressure of 1.00 atm. The reaction: 2 ZnS(s) + 3 O2(g) --> 2 ZnO(s) + 2 SO2(g) dH = -818.58 kJ a) How much ...
October 21, 2012 by Tymee

Chemistry
Calculate G373 in kJ for the following reaction at 100 C, using data from your text. 5SO3(g) + 2NH3(g) --> 2NO(g) + 5SO2(g) + 3H2O(g) Enter answer in decimal form, including the sign.
June 3, 2010 by Darali

Chemistry
Calculate G373 in kJ for the following reaction at 100 C, using data from your text. 5SO3(g) + 2NH3(g) --> 2NO(g) + 5SO2(g) + 3H2O(g) Enter your answer in decimal form, including the sign.
May 26, 2011 by Roxanne

Chemistry
how do you write a chemical equation with this reaction? can u help me solve these 1.Liquid carbon disulfide reacts with oxygen gas, producing carbon dioxide gas and sulfur dioxdie gas. 2. Solid zinc and aqueous hydrogen sulfate reacts to produce hydrogen gas and aqueous zinc ...
January 26, 2009 by Lauren

CHEMISTRY
In some solid calcium carbonate samples, calcium bicarbonate, Ca(HCO3)2, is also present. Write a balanced euation for its reaction with hydrochloric acid.
March 8, 2010 by jEFFREY

Government
Which amendments... -Extended civil rights? -Extended individual rights (including voting rights)? -Prohibited certain practices by states? -Changed specific language in the Constitution?
July 28, 2013 by Anonymous

physiology
anaerobic respiration is triggered when the ratio of ________falls below a critical level. a.carbon dioxide supply to oxygen need b.oxygen supply to glucose need c.glucose supply to glucose need d.oxygen supply to oxygen need the electron transport chain is responsible for the...
September 17, 2008 by Natash

ap chemistry
Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2CO2 + O2 yields 2CO2 Delta H for this reaction is -566 kJ/mol run. What is the delta H for CO? 1). +270 kJ/mol 2). -110 kJ/mol 3). +65 kJ/mol 4). -405 kJ/mol 5). -65 kJ/mol 6). -182 kJ/mol 7...
October 18, 2012 by bridget

chemistry
What is the complete ionic equation for the double displacement reaction: CuNO3(aq) + K2S(aq)= what is the chemical name and formula of this chemical reaction? plsss. need help
October 3, 2012 by shay

College chemistry
Need help balancing chemical equation. Complete and balance the chemical equation. Be sure to include the states of the reactants and products. C3H8(g)+O2(g) →
May 4, 2012 by Lance

Science
1.Why do you think an FRH doesnt come with water already in it? 2.Do you think there are small pieces or large pieces of magnesium metal in an FRH? Explain. 3. Why is it important that the reaction in an FRH be fast?
May 1, 2013 by James

Chemistry
Consider the decomposition reaction of the following represented hydrogen peroxide: 2 H2O2 (aq) = 2 H2O + O2 In the experiment, the average speed of this reaction given time interval was 16 mol s- in relation to hydrogen peroxide. What is the average speed production of ...
January 21, 2016 by Victoria

chemistry HELP
Use the following information to identify element A and compound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a temperature of 15C. When...
October 29, 2006 by sonya

chemistry
2) Suppose you have 5.00g of powdered magnesium metal, 1.00L of 2.00M potassium nitrate solution, and 1.00L of a 2.00M silver nitrate solution. a. Which one of the solutions will react with the magnesium powder?
March 17, 2013 by Anonymous

physics
A police car is traveling at a velocity of 15.0 m/s due north, when a car zooms by at a constant velocity of 45.0 m/s due north. After a reaction time 0.700 s the policeman begins to pursue the speeder with an acceleration of 3.00 m/s^2. Including the reaction time, how long ...
September 6, 2012 by colby

physics
A police car is traveling at a velocity of 15.0 m/s due north, when a car zooms by at a constant velocity of 44.0 m/s due north. After a reaction time 0.700 s the policeman begins to pursue the speeder with an acceleration of 5.00 m/s^2. Including the reaction time, how long ...
June 18, 2013 by louis aaaa

Physics
A police car is traveling at a velocity of 15.0 m/s due north, when a car zooms by at a constant velocity of 40.0 m/s due north. After a reaction time 0.500 s the policeman begins to pursue the speeder with an acceleration of 6.00 m/s^2. Including the reaction time, how long ...
September 10, 2013 by Kaitlyne

physics
A police car is traveling at a velocity of 19.0 m/s due north, when a car zooms by at a constant velocity of 49.0 m/s due north. After a reaction time 0.600 s the policeman begins to pursue the speeder with an acceleration of 6.00 m/s^2. Including the reaction time, how long ...
September 15, 2013 by Katy

Physics
A police car is traveling at a velocity of 19.0 m/s due north, when a car zooms by at a constant velocity of 49.0 m/s due north. After a reaction time 0.600 s the policeman begins to pursue the speeder with an acceleration of 6.00 m/s^2. Including the reaction time, how long ...
September 16, 2013 by Tonya

Physics
A police car is traveling at a velocity of 20.0 m/s due north, when a car zooms by at a constant velocity of 44.0 m/s due north. After a reaction time 0.700 s the policeman begins to pursue the speeder with an acceleration of 6.00 m/s^2. Including the reaction time, how long ...
September 27, 2014 by Peanutbutter7

physics
the melting temperature of magnesium is 650c what is the melting temperature of magnesium in fahrenheit
March 11, 2010 by Anonymous

chemistry
A sample of magnesium weighs 10 grams. How many moles of magnesium are there in the sample? 0.4 moles?
February 5, 2012 by kr

Chemistry: Equilibrium
So, I think I'm doing everything right and even checking my math, but it keeps showing up as wrong. If someone can help me and go into detail,including the quadratic formula, I would appreciate it: Phosphorus pentachloride decomposes according to the chemical equation Pcl5(g)=...
October 14, 2015 by Jessica

Organic Chemistry
During the synthesis of a Grignard reagent in diethyl ether solvent, what is the identity of the bubbles that show up on the surface of the magnesium? -Gaseous magnesium byproducts -Gaseous O2 -Gaseous H2 -Gaseous diethyl ether
September 26, 2015 by Ash

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