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December 7, 2016

Search: It takes 412 kJ/mol to break a carbon-hydrogen single bond

Number of results: 26,142

12 math
benetley chalk brush manufacturer company has 900 empolyess: are female, are union members and are single.295 are single females, 187 are single union members 190 are female union memebers and 120 are single female union members. how many workers are female or union memvers or...
August 30, 2008 by steveo

Chemistry
Explain why bond angle of water is 104' and bond angle of NH3 is 107' both less than tetrahedral bond angle? Explain
August 4, 2011 by Abhishek kumar sahi

Finance
A four-year TIPS bond promises a real annual coupon return of 4 percent and its face value is $1,000. While the annual inflation rate was approximately zero when the bond was first issued, the inflation rate suddenly accelerated to 3 percent and is expected to remain at that ...
March 4, 2011 by sherry

chemistry
Sulphuric acid (H2SO4) solution reacts with magnesium metal (Mg) to magnesium sulphate and hydrogen according to: H2SO4 + Mg → MgSO4 + H2 How many litres of 5.00 M sulphuric acid would be required to dissolve 20.00 g of magnesium and how many mol of hydrogen would be ...
June 22, 2014 by John

A.P Chemistry
Three volatile compounds X,Y, and Z each contain elements Q. The precent by weight of element Q in each compound was determined. Some of the data obtained are given below Percent by weight Molecular Compound of Element Q Weight X 64.8% ? Y 73.0% 104. Z 59.3% 64.0 (a) the vapor...
October 23, 2006 by T-Baby

Chemistry
Calculate the enthalpy of combustion of acetylene(per mol acetylene)using bond enthalpies and energy diagram
August 5, 2011 by Gift

Chemistry
Calculate the enthalpy of combustion of acetylene(per mol acetylene) using bond enthalpies and energy diagram
August 5, 2011 by Gift

chemistry
which of the molecules listed below can form hydrogen bond? For wich of the molecules would dispersion forces be the only intermolecular force? Give reasons for answer. A.H2 B.NH3 C.HCl D.HF
December 1, 2011 by selene

chemistry
which of the molecules listed below can form hydrogen bond? For wich of the molecules would dispersion forces be the only intermolecular force? Give reasons for answer. A.H2 B.NH3 C.HCl D.HF
December 1, 2011 by selene

Physics
James Bond and the ever present bond girl are on a dirt bike escaping from a car load of bad guys. If we have the following conditions: James Bond’s mass is 84 Kg The Bond Girl is 48Kg The Dirt Bike’s mass is 113.6 Kg The tires on the dirt bike are 0.6m in diameter With ...
December 8, 2015 by Larry

Business Math
Any help at all is deeply appreciated. I am trying to figure out the formulas to use for the following problems: 1. Suppose that in a monopoly market the total cost per week of producing a high tech product is given by C(x) =3600+100x+2x^2. Suppose further that the weekly ...
November 27, 2016 by pypski

chemistry
Nitric oxide reacts with bromine gas at elevated temperatures according to the equation, 2 NO(g) + Br2(g) = 2 NOBr(g) The experimental rate law is rate = k[NO][Br2]. In a certain reaction mixture the rate of formation of NOBr(g) was found to be 4.50 x 10-4 mol L-l s-l. What is...
February 17, 2012 by Emile

CHEM
1. How many moles of water can be made from 4 moles of oxygen gas and 16 moles of hydrogen gas? What is the limiting reagent? 2. Calculate the mass of water produced from the reaction of 24.0 g of H2 and 160.0 g of O2. What is the limiting reagent? 3. The burning of 18.0 g of...
June 1, 2008 by Anonymous

Chemistry
Determine the empirical and molecular formulas for vanillin given that its molar mass is 152 g/mole and its composition is: 63.15% carbon, 5.30 % hydrogen and the rest oxygen
August 22, 2013 by villarin,jake

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 ...
January 19, 2015 by student_14579

chemistry
In which case will the equilibrium constant (K) be less than 1 at 298 K? (a) DeltaH = 4.55 kJ/mol ,deltaS = 28.0 J/mol K (b) delta H = - 4.55 kJ/mol ,deltaS = 28.0 J/mol K (c)deltaH = 4.55 kJ/mol ,deltaS= - 28.0 J/mol K (d) both (a) and (b) I know the answer is c but I don't ...
May 17, 2015 by Anon

Science chemistry
Determine the number of moles of oxygen in 1 mol of dinitrogen tetraoxide N2O4= N 2×14.01g/mol= 28.02g/mol O 4×16.00g/mol= 64.00g/mol N2O4= 92.02g/mol I can't get the right formula to solve the rest. Please help and thank you
November 30, 2016 by Farhin

chemistry
A 79.9-L sample of a gaseous hydrocarbon, measured at 1.00 atm pressure and 25.0°C, is burned in excess oxygen, liberating 4.24 × 10^3 kJ of heat at constant pressure. What is the identity of the hydrocarbon? (R = 0.0821 L · atm/(K · mol)) Substance H°f (kJ/mol) CO2(g...
March 30, 2011 by chemistry

Chemistry
In a solution with carbon tetrachloride as the solvent, the compound VCl4 undergoes dimerization: 2VCl4 <-> V2Cl8 When 6.6834 g VCl4 is dissolved in 100.0 g of carbon tetrachloride, the freezing point is lowered by 5.97*C/ Calculate the value of the equilibrium constant ...
December 10, 2013 by Anna

Chemistry
How many moles of P4O10 are produced when we react 8 moles of phosphorous with oxygen? I know the answer is: 4 mol P produces 1 mol P4O10 8 mol P produces 2 mol P4O10. Or, 1 mol P4O10 x (8 mol P / 4 mol P) = 2 mol P4O10. but, what is the balanced equation?
May 3, 2013 by Timofey

AP Chemistry Help!!
How many moles of P4O10 are produced when we react 8 moles of phosphorous with oxygen? I know the answer is: 4 mol P produces 1 mol P4O10 8 mol P produces 2 mol P4O10. Or, 1 mol P4O10 x (8 mol P / 4 mol P) = 2 mol P4O10. but, what is the balanced equation?
May 3, 2013 by Timofey

chemisty
How many moles of carbon monoxide form at the same time that 0.337 mol CS2 forms?
May 4, 2010 by jake callienf

Chem
If 4.10 × 102 mol of octane combusts, what volume of carbon dioxide is produced at 22.0 °C and 0.995 atm?
July 5, 2012 by Anonymous

Chemistry
If 22 mol of benzene are completely reacted with molecular oxygen, how many moles of carbon dioxide will be produced?
February 10, 2015 by Ellie

Chemistry
Is carbon phosphate an ionic, polar covalent, or non polar covalent bond?
December 5, 2013 by Destiny

managerial accounting
Hess,Inc.Sells a single product with a contribution margin of $12 per unit, fixed costs of $74,400, and sales for the current year of $100,00. How much is Hess's Break even point?
July 10, 2007 by cathalina

bus 475
hess inc sells a single product with a contribution martgin of $12 per unit and fixed costs of $74400 and sales for the current year of $100000. how much is hess break even point?
January 18, 2010 by Anonymous

Accounting
Hess, Inc. sells a single product with a contribution margin of $12 per unit and fixed costs of $74,400 and sales for the current year of $100,000. How much is Hess’s break even point?
June 13, 2010 by Anonymous

stats
Hess, Inc. sells a single product with a contribution margin of $12 per unit and fixed costs of $74,400 and sales for the current year of $100,000. How much is Hess’s break even point?
July 7, 2010 by Ali

Chemistry
What is the ratio of carbon atoms to hydrogen atoms in the compound 2CH2 = C2H4? A. 1 to 9 B. 9 to 1 C. 3 to 6 F. 6 to 3
May 10, 2011 by Peter

Chemistry
Do 36.0 kg of carbon atoms and 3.0 kg hydrogen atoms contain the same number? Explain.
January 10, 2012 by Lena s

Chemistry
Do 36.0 kg of carbon atoms and 3.0 kg hydrogen atoms contain the same number? Explain.
January 10, 2012 by Lena s

chem 12
consider the following equilibrium 2NOCl(g)--- 2 NO(g) + Cl2(g) Initally 1.00 mol of NO and 1.00 mol of Cl2 are placed in a 5.00L container. Calculate the initial concentrations of NOCl, NO and Cl2 NO= 0.20 mol/L Cl2= 0.20 mol/l NOCl=0 At equilibrium it is found that the NOCl...
March 8, 2016 by George

PHYSICS
IS HYDROGEN GAS AND CARBON DIOXIDE POLAR OR NON POLAR?
December 13, 2008 by brooklinn

Chemistry
I did a lab where I put Copper (II) Chloride in water with Alumnim. 2Al + 3CuCl2 -> 3Cu + 2AlCl3 The aluminum on the reactant side weighs 0.5 g and the CuClw weighs 1.69 grams. It said to find the theoricital yield. Did I do this right? 2Al + 3CuCl2 -> 3Cu + 2AlCl3 # of ...
November 5, 2008 by Lena

Corporate Finance
Bond price: Briar Corp is issuing a 10-year bond with a coupon rate of 7 percent. The interest rate for similar bonds is currently 9 percent. Assuming annual payments, what is the present value of the bond? (Round to the nearest dollar.) $990 $872 $1,066 $945
April 11, 2014 by Judy

chemistry
Why is HF has lower boiling point than CsI, even though HF has hydrogen bond. Does HF have higher boiling point than O2
March 13, 2010 by eng

Science
Sucrose and glucose contain the elements carbon, oxygen, and hydrogen. What kind of elements are these?
March 14, 2008 by Haley

chemistry
In the manufacture of iron, carbon monoxide reduces iron oxide. Why isn't hydrogen used?
October 8, 2015 by Clive

Science-Elements
what 2 things does the formula of a compound tell us? I'm not sure if I'm right, but this is what I wrote: The formula for the compound tells you that it is two parts hydrogen and one part oxygen. The compound carbon dioxide is one part carbon and two parts oxygen.
March 29, 2010 by Sara

Chemistry
"An aqueous sodium borate solution is titrated to the second endpoint with 0.225 mol/l nitric acid in the presence of a suitable indicator. If an average of 12.6mL of titrant are required to reach the second endpoint for a 25.0 mL sample, what is the base concentration?" My ...
May 15, 2010 by Stuck

Chemistry: Please check answers
1. Which of the following compounds is an unsaturated hydrocarbon? methane *propyne nonane methyl 2. The general name for hydrocarbons with at least one triple covalent bond is ____. alkenes alkyls alkanes *alkynes 3. What is the name of the smallest alkyne? butyne *ethyne ...
April 11, 2013 by Cassie

chemistry
How many moles of molecules are in 252 g of hydrogen nitrate (HNO3)? Answer in units of mol
November 5, 2011 by lynn

chemistry
(a)how much energy in KJ/mol is released when an electron makes a transition from n=5 to n=2 in a hydrogen atom?
May 22, 2013 by hardi

Chemistry- moles
How do I determine the number of hydrogen atoms in .0885 mol Tetracarbon decahydrogen?
October 1, 2013 by Lisa

chemistry
How many moles of molecules are in 198 g of hydrogen nitrate (HNO3)? Answer in units of mol
October 6, 2014 by anna

Chemistry
The question representing the production of tetraphosphorus trisulfide (P4S3), a substance used in some match hears, is 8P4 + 3S8 ---> 8P4S3. Determine if each of the following statements is correct. If the statement is incorrect, rewrite it to make it correct. a. To ...
November 14, 2012 by Montanna

Chem
You have 25.00 mL of 3% by mass solution of hydrogen peroxide. Assume the density of this solution is 1.00 g/mL. If all of the hydrogen peroxide decomposes to water and oxygen according to the reaction below: 2H2O2 (aq) <--> 2H2O (l) + O2 (g) What is the total volume of ...
September 21, 2015 by Blake

Chemistry - Chemical Equilibrium
In a solution with carbon tetrachloride as the solvent, the compound VCl4 undergoes dimerization: 2VCl4 <-> V2Cl8 When 6.6834 g VCl4 is dissolved in 100.0 g of carbon tetrachloride, the freezing point is lowered by 5.97*C/ Calculate the value of the equilibrium constant ...
December 10, 2013 by Dave

chemistry
10. If the calcium oxide were obtained by the heating of calcium hydroxide, how much hydroxide would be needed to obtain the 15.0 g? 11. If the 15.0 g of calcium oxide in the above problems were allowed to react with water, what amount of calcium hydroxide would be produced? ...
December 13, 2012 by greg

chemistry
a compound containing only carbon and hydrogen consists of 362 g of C and 30.1 g of H. what is the empirical formula of the compound?
November 30, 2010 by Lynn

chemistry
Carbon reacts with chlorine and hydrogen to form the compound CH3Cl. (a) Construct the structure of CH3Cl.
March 12, 2013 by adex

CHEMISTRY
WHAT IS THE EMPIRICAL FORMULA FOR A COMPOUND THAT HAS 200GRAMS. 97.30 GRAMS OF CARBON, 16.22 GRAMS OF HYDROGEN, AND THE REST IS OXYGEN?
April 12, 2014 by BILL

chemistry
Fe3O4 can be reduced by treatment with hydrogen to yield iron metal and water vapor write the balanced equation. this process required 36kcal for every 1.00 mol of Fe3O4 reduced. how much energy in kcal is required to produce 64g of iron. how many grams of hydrogen are needed ...
June 7, 2015 by jennifer

College Chemistry
A hydrogen-like ion is an ion containing only one electron. The energy of the electron in a hydrogen-like ion is given by: En=-(2.18x10^(-18)J)Z^2(1/(n^2)) where n is the principal quantum number and Z is the atomic number of the element. Calculate the ionization energy (in kJ...
November 22, 2010 by Anonymous

Chemistry - Help please!
A hydrogen-like ion is an ion containing only one electron. The energy of the electron in a hydrogen-like ion is given by: En=-(2.18x10^(-18)J)Z^2(1/(n^2)) where n is the principal quantum number and Z is the atomic number of the element. Calculate the ionization energy (in kJ...
November 22, 2010 by Anonymous

mathematics
Lily Adams purchased a $1,000 bond at 70. The bond pays 4% What was the cost of the bond? What was the annual interest? What is the yield (to the nearest tenth of a percent)? (please only post of you know answer or at least will tell me how to get the answers on my own/ tell ...
June 16, 2015 by Anonymous

kim
a gaseous hydrocarbon reacts completely with oxygen gas to form carbon dioxide and water vapor. given the following data, determine (delta)HoF for hydrocarbon: (delta)Horxn=-2044.5kj/mol hydrocarbon (delta)HoF CO2= -393.5kj/mol (delta)HoF H2O = -242kj/mol denstity of CO2 and ...
April 20, 2008 by chemistry

chemistry
The melting point of a compound is not influenced by which of the following? A. polarity B. electronegativity of its atoms C. Van der Waals forces D. hydrogen bonds E. isotope of carbon
May 13, 2008 by Mable

Finance
Which of the following statments is CORRECT? a. Assume that two bonds have equal maturities and are of equal risk, but one bond sells at par while the other sells at a premium above par. The premium bond must have a lower current yeild and a higher capital gains yield than the...
October 20, 2011 by Alice

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-¹ in relation to hydrogen peroxide. What is the average speed production of ...
January 21, 2016 by Victoria

Health (can someone plz check my answers??)
1. The functions of the respiratory system are... (there are two answers) A. To pump blood to the body B. To deliver oxygen to the body*** C. To remove carbon dioxide from the body*** D. To absorb nutrients 2. The dome-shaped muscle that lies below the lungs and is important ...
February 22, 2016 by Anonymous

Chemistry
Calculate the partial pressure of monatomic hydrogen in hydrogen gas at 2000 K and 1 atm pressure. Given: (i) For ½ H2 ï‚® H, Ho298=217,990 J; So298=49.35 J/K. (ii) Assume that the heat capacity of monatomic gas to be 3/2R (iii)The heat capacity of H2 assume...
March 31, 2012 by Plizzz help me

A.P. Chemistry
Three volatile compounds X,Y, and Z each contain elements Q. The precent by weight of element Q in each compound was determined. Some of the data obtained are given below Percent by weight Molecular Compound of Element Q Weight X 64.8% ? Y 73.0% 104. Z 59.3% 64.0 (a) the vapor...
October 2, 2011 by Lucy

chemistry
Consider the balanced equation 2A(g) + 3G(g) „\ 2X(g) + Z(g). To a 20.0 L container maintained at a temperature of 127 C were added 0.200 mol of A, 0.500 mol of G, 0.400 mol of X, and 0.600 mol of Z. After equilibrium was established, it was found that 0.340 mol of X was ...
July 27, 2008 by alexis

Solar Energy - Engineering
In the process of electrolysis, electrical power is used to separate water into oxygen and hydrogen molecules via the reaction: H2O --> H2 + ½O2 This is very much like running a hydrogen fuel cell in reverse. We assume that only the activation potential for the hydrogen ...
December 18, 2013 by Chris

Chemistry
If ammonia is manufactured at 356 K, is the reaction spontaneous, given that the enthalpy and entropy change for the reaction are -93 kJ/mol and -198 J/mol K, respectively? A. Yes, the ΔG is -92 kJ/mol. B. No, the ΔG is 92 kJ/mol. C. No, the ΔG is 22.5 kJ/mol. D...
December 6, 2014 by Morgan

chemistry
If 3 moles of a compound use 12 J of energy in a reaction, what is the Hreaction in kJ/mol? A. -4 kJ/mol B. -0.004 kJ/mol C. 0.004 kJ/mol D. 4 kJ/mol
March 14, 2012 by princess

Chemistry
Calculate the number of moles of carbon atoms present in 1.1 g of ethanol (C2H6O). Answer in units of mol.
September 16, 2015 by Nicole

chemistry
Enthalpy of combustion of c(graphite)is _393.3 KJ mol -1then for producing 39.3 KJ of heat the amount of carbon required is
November 15, 2016 by renu

Astronomy
Mass of the Sun = 1.989 x 10^30 kg Mass of Hydrogen Atom = 1.00794 grams If we assume the Sun is made totally of hydrogen, how many hydrogen atoms are contained within the Sun? If the Sun converts hald of these hydrogen atoms into helium over its lifetime of about ten billion ...
November 27, 2011 by Jobeth

science
Which rate constant would result in the fastest reaction? A. 1.3 × 103 L/mol · s B. 2.8 L/mol · s C. 9.5 × 10-2 L/mol · s D. 4.2 × 10-3 L/mol · s is the answer for this one c?
August 25, 2016 by evelyn

Chemistry
A hydrogen atom has a mass of 1.673x10^-24 g How many hydrogen atoms would you have in 5.6 g of hydrogen?
September 23, 2014 by Anonymous

math
Luis Giron works at the Pancake Palace from 3:00 p.m. until 12:15 a.m. 5 nights a week. If he takes a 30-minute break each evening, how many hours per week does he work?
February 16, 2011 by Anonymous

Chemistry ?
How many moles are contained in a 4.67-L sample of gas at 30°C and 199 kPa? A. 1.7 mol B. 11.8 mol C. 0.37 mol D. 3.7 mol I guessed D, but I'm not sure.
August 15, 2013 by Kaylee

Org. Chem.
why don't water and benzophenone hydrogen bond? benzophenone has a C=O and water forms H bonds too.
September 14, 2009 by Chelsea

Chemistry of Life
Which statement is true about water molecules? The oxygen atom has a negative charge. The hydrogen atoms do not share electrons. Water molecules move randomly around each other. Water molecules cannot dissolve many substances. Question 2. How does water relate to the ability ...
September 26, 2014 by Sara

CHEM URGENT
Determine the ionization energy of a hydrogen atom (in kJ/mol) if the electron is in its ground state
January 17, 2009 by henry

chemistry
What volume at STP would be required to react with 0.100 mol of hydrogen to produce ammonia?
March 1, 2011 by Anonymous

physics
The physics of the DNA molecule. The two strands of the DNA molecule are held together by electrostatic forces. There are four bases which make up the DNA molecule, thymine (T), adenine (A), cytosine (C), and guanine (G). In two of the bases, thymine and adenine, an oxide ion ...
April 28, 2011 by aly

chemistry
the vapor pressure of carbon sulfide is 355.6 torr at 25 degrees Celsius. what is the vapor pressure of a solution prepared by dissolving 12.52 g naphthalene (C10H8, 128.2 g/mol) in 125.0 mL CS2 liquid (76.14 g/mol, 1.261 g/mL)? Assume the solution obeys Raoult's law, and ...
March 4, 2015 by alexis

science
list three differences between ions and isotopes? An ion is an atom that has at least one fewer electrons than it has protons. Thus, an ion always has positive charge. Hydrogen usually has one proton and one electron and has neutral charge. The hydrogen ion H+ has one proton ...
December 3, 2006 by airelle

Chemistry
Hi, I was just wondering how you would calculate how much gas would dissolve into 500ml of water and if there was 0.1% of the solute in the atmosphere in grams? Am finding this very difficult! Example: Hydrogen sulphide: molar mass: 34g/mol Water: molar mass 34g/mol
April 14, 2010 by John C

chemistry
Calculate the number of moles in 75.0 g of oxygen gas. A. 2.34 mol O2 B. 4.69 mol O2 C. 750 mol O2 D. 12.5 × 1023 mol O2 B
November 11, 2012 by Cathy

Chemistry Help!!!!
for each of the following pairs of elements, give the correct molecular formula, explain how you arrived at this answer( you may use the Bohr model notation, or the orbital model notation, or explain linguistically) and note whether the bonding is covalent or ionic. ( I tried ...
March 26, 2012 by John

Chemistry
How many different oligosaccharides can be made by linking one glucose and one galactose if the anomeric carbon of glucose is involved in the glycosidic bond? Assume that each sugar is in its pyranose form. A. 5 B. 4 C. 2 D. 1 E. 3 Would it be 4?
September 26, 2016 by Anonymous

chemistry
Determine the theoretical and percent yield of hydrogen gas if 78.0 g water undergoes electrolysis to produce hydrogen and oxygen and 3.02 g hydrogen is collected.
January 19, 2012 by Anonymous

chemistry
Determine the theoretical and percent yield of hydrogen gas if 78.5 g water undergoes electrolysis to produce hydrogen and oxygen and 3.63 g hydrogen is collected?
January 25, 2012 by franklin

chemistry
Determine the theoretical and percent yield of hydrogen gas is 36 g of water undergoes electrolysis to produce hydrogen and oxygen and 3.8 g of hydrogen is collected.
February 8, 2012 by Elle

Chemistry
Determine the theoretical and percent yield of hydrogen gas if 78.5 g water undergoes electrolysis to produce hydrogen and oxygen and 3.23 g hydrogen is collected.
May 11, 2013 by Charles

Chemistry
How do I do the empirical formula for 37.01% carbon, 2.22% hydrogen, 18.50% nitrogen, and 42.27% oxygen? My teacher gave me the answer (C7H5N3O6), but I can never get that answer.
December 5, 2014 by Grace

CHEMISTRY
An analysis of a compound gave 40% carbon 3.7% hydrogen. the vapour density of the compound is 30. calculate the empirical and molecula fomular.
November 17, 2015 by NEMUEL

physics
Given that 12g of carbon combines completely with 16g of oxygen to form carbon monoxide, how many grams of carbon monoxide can be made from 48g of carbon and 48g of oxygen
April 24, 2011 by Abbie

Chemistry
If at a certain instant during the course of the reaction 2 NO2(g) + F2(g) ¨ 2 NO2F(g), the rate of formation of the product were 0.16 mol/L∙s, how fast would the F2 be disappearing (also in mol/L∙s) at that same instant in time? A) 0.16 mol/L∙s B) 0.080 ...
July 30, 2012 by Taylor

Chem---DrBob222
Calculate the oxidation # for each atom in the molecule below. Can you help me with the rest. Thank you!!! H H H H / / / / H -- C ---C ===C ----N .. / / H H Group # # of E Oxidation # H 1 0 1 x 7 = 7 C 4 7 C 4 C 4 N 5 3 H atom attached to first C atom. 1 H atom to second C ...
September 18, 2014 by Layla

Chemistry
How many moles of sodium chloride must be added to an aqueous solution that contains 2.0 moles of silver nitrate in order to precipitate 0.50 moles of silver chloride? A) 0.25 mol B) 0.50 mol C) 1.0 mol D) 2.0 mol E) 1.5 mol The answer is B. I have no idea what to do. I was ...
March 22, 2009 by Jill

Chemistry
How would you calculate the pH of the buffer if 1.0mL of 5.0M NaOH is added to 20.0mL of this buffer? Can someone please explain to me how to do B and C step by step so I could understand it clearly? :) Say, for example, that you had prepared a buffer in which you mixed 10.30 ...
March 4, 2014 by Airin

Chemistry
How would you calculate the pH of the buffer if 1.0mL of 5.0M NaOH is added to 20.0mL of this buffer? Can someone please explain to me how to do B and C step by step so I could understand it clearly? :) Say, for example, that you had prepared a buffer in which you mixed 10.30 ...
March 5, 2014 by Airin

chemistry
what color is hydrogen? conductivity of hydrogen? atomization, fusion and vaparization of hydrogen?
March 9, 2008 by timmathy

Science
Which of the following pairs of elements would have the most similar chemical properties? A.Boron (B) and Fluorine (F) B.Hydrogen (H) and Helium (He) C.Beryllium (Be) and Magnesium (Mg) D.Carbon (C) and Oxygen (O)
October 10, 2011 by Anonymous

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