Monday
July 25, 2016

Homework Help: Science: Chemistry

Recent Homework Questions About Chemistry

chemistry
Determine the concentration of 20.0 mL of the sulphuric acid when 1.00 mol/L sodium hydroxide is used as the titrant. Observations: Initial volume of H2SO4 __________. Final volume of H2SO4 __________. Volume of H2SO4 added __________.
Thursday, April 28, 2016 by dev

chemistry
what about a mixture whose specific rotation was found to be -9.2 degree?
Thursday, April 28, 2016 by faustine

Chemistry
Electrochemisry. Candy Chemist wishes to determine the concentration of CrO4^2- by electrochemical means in solution, and subsequently the Ksp of Ag2CrO4. She sets up one half-cell comprised of the Ag+|Ag couple (E=+0.799V) and a second half-cell in which a silver elctrode is ...
Thursday, April 28, 2016 by KRH

chemistry---
What is the equilibrium constant for the redox reaction in question 3? Combining the two equations for ∆Go below ∆G= −n F Ecell and ∆G= −R T ln K gives −n F E cell = −R T ln K... The ecell from question three was .73V The delta g from ...
Thursday, April 28, 2016 by EBB

chemistry
The fuel cell of h2 + o2 --> 2h2o has a cell potential of 1.23 V... If The equation for Ecell = Cathode - Anode, why wouldn't the cell be -.43 because anode = oxidation and cathode = reduction, right?
Thursday, April 28, 2016 by EBB

Chemistry
use the appropriate standard reduction potentials in the appendix of your book to determine the equilibrium constant at 285 K for the following reaction under acidic conditions 4H+(aq) + MnO2(s)+2Fe+2(aq)----> Mn+2 (aq)+2Fe3+(aq)+2H2O(l) The reductions potentials are 1.23 V...
Thursday, April 28, 2016 by Rachel

Chemistry- gaz and stoechiometry
The preparation of KClO3 follows these equations: 2KMnO4 + 16HCl->2KCl + 2MnCl2 + 5Cl2 (g) + 8H2O 3Cl2 (g) + 6KOH ->KClO3 + 5KCl + 3H2O 1) How many moles of KClO3 are produced by one mole of KMnO4 I think the only link between the two equations is Cl2 but I don't ...
Thursday, April 28, 2016 by Ele

Chemistry
Aballon containing 546cm of air is heated at 10C if the presure is contain wht will be the volume at 20c
Thursday, April 28, 2016 by God'swill

chemistry
The fuel cell of h2 + o2 --> 2h2o has a cell potential of 1.23 V... If The equation for Ecell = Cathode - Anode, why wouldn't the cell be -.43 because anode = oxidation and cathode = reduction, right?
Thursday, April 28, 2016 by EBB

Chemistry
Calculate the standard free-energy change for the following reaction at 25 °C. Standard reduction potentials can be found here. 2Au^3+(aq) + 3Cr(s) <-----> 2Au(s) + 3Cr^2-(aq)
Thursday, April 28, 2016 by Kate

Chemistry
Red mercury (II) oxide decomposes to form mercury metal and oxygen gas according to the following equation: 2HgO (s) yields 2Hg (l) + O2 (g). If 4.00 moles of HgO decompose to form 1.50 moles of O2 and 603 g of Hg, what is the percent yield of this reaction?
Wednesday, April 27, 2016 by Nayara

help !! chemistry
H2O(g) + Cl2(g) 2 HCl(g) + ½ O2(g) Heat of Reaction is WebAssign will check your answer for the correct number of significant figures. kJ Changed: Your submitted answer was incorrect. Your current answer has not been submitted. Information: COCl2(g) + H2O(g) CH2Cl2(l...
Wednesday, April 27, 2016 by susan

Chemistry
You are investigating the effect of strong base on the solubility of zinc hydroxide, Zn(OH)2 (s). (Ksp= 3 x 10- 15 for Zn(OH)2 (s)) You prepare 1.0 L solution of 0.10M NaOH and add excess zinc hydroxide, Zn(OH)2 (s). Instead of suppresing the solubility, you observe extra ...
Wednesday, April 27, 2016 by Lily

Chemistry
The molar solubility of magnesium chloride in water is 0.23 M. What is the numerical value for Ksp for MgCl2? Suppose you wanted to reduce the concentration of dissolved Mg2+ to 0.00537 M by adding NaCl. What concentration of NaCl would you need?
Wednesday, April 27, 2016 by Lily

Chemistry
Consider the titration of a 50.0 mL 0.500 M F- with 0.500 M HCl. The pKa of HF = 3.46 and the pKb of F- is 10.54. Calculate the pH at the following volumes of HCl added. 1. Vsa= 0.00 mL of 0.500 M HCl 2. Vsa= 25.0 mL of 0.500 M HCl 3. Vsa= 49.5 mL of 0.500 M HCl 4. Vsa= 50.0 ...
Wednesday, April 27, 2016 by Lily

chemistry
A student designs an ammeter (a device that measures electrical current) that is based on the electrolysis of water into hydrogen and oxygen gases. When electrical current of unknown magnitude is run through the device for 1.00 min , 15.4 mL of water-saturated H2(g) is ...
Wednesday, April 27, 2016 by EBB

Chemistry
Methyl amine is a weak base with a pKb=3.35. Consider the titration of 30.0mL of .030M of Methyl amine with 0.025M HCl. a) Write the appropriate equation for the reaction. b) Calculate K for the reaction in part (a). c) Calculate pH of the initial methyl amine solution (0mL ...
Wednesday, April 27, 2016 by Ed

Chemistry
A gas occupies a volume of 4.64 x 102 mL at 519.57 mm Hg pressure. What will be its volume, at constant temperature, if the pressure is changed to 764.71 mm Hg?
Wednesday, April 27, 2016 by Alex

Chemistry
A sample of sulfur hexafluoride gas (SF6) occupies a volume of 3.230 Liters at 7.011 x 101 oC. Assuming the pressure is constant, what will the final temperature be (in o C) if the volume is increased to 7.350 Liters?
Wednesday, April 27, 2016 by Ben

Chemistry
Determine the mass, in grams, of water contained in 0.25 litres of aqueous solution that has 10% dissolved salt and density equal to 1.10 g/cm3
Wednesday, April 27, 2016 by Monica

Chemistry-Dr.Bob222
Calculate the molar solubility of calcium hydroxide in a solution buffered at each pH. a. pH=4 b. pH= 7 c. pH=9
Wednesday, April 27, 2016 by Nevaeh

Chemistry-Dr.Bob222
Consider the compounds with the generic formula listed and their corresponding molar solubilities in pure water. Which compound has the smallest value of Ksp? a. AC; molar solubility = 1.35 x 10^-4 M b. AX2; molar solubility = 2.25 x 10^-4 M c. A2X; molar solubility= 1.75 x 10...
Wednesday, April 27, 2016 by Nevaeh

Chemistry
3. Which aqueous solution would you expect to have the lowest freezing point? 0.10 molal glucose, C6H12O6 or 0.10 molal NaCl solution
Wednesday, April 27, 2016 by Emonie

Chemistry
What is the osmolality of 1.1% NaCl salt solution? How can I calculate this?
Wednesday, April 27, 2016 by Mirza

Chemistry
How many grams of ethanol, C2H5OH, are required to make a 7.1M solution using 1.50 L of water
Wednesday, April 27, 2016 by Haley Hatfield

chemistry
how do i get pure samples from a mixture of potassium carbonate,ammonuim chloride and copper (ii)oxide
Wednesday, April 27, 2016 by Anonymous

chemistry
explain how you can obtain pure samples from a mixture containing ammonium chloride,copper(ii)oxide and potassium carbonate
Wednesday, April 27, 2016 by Anonymous

chemistry
explain how you can obtain pure samples from a mixture containing ammonium chloride,copper(ii)oxide and potassium carbonate
Wednesday, April 27, 2016 by Anonymous

chemistry
Thanks for your help. I have a problem to solve et don't know how to do part of it. We have a solution of XNO3 (X = monovalent cation We add a solution of K2SO4. We obtain an insoluble sulfate which precipitate and KNO3 The precipitate = 3.900 g The analyses shows that the...
Wednesday, April 27, 2016 by Ele

Chemistry
What are the concentrations of acetic acid (pKa = 4.76) and acetate in a buffer solution of 0.15 M at pH 4.5? Please help me do this problem. I have no idea how to do it.
Wednesday, April 27, 2016 by Emma

chemistry
An unkown vol of 2Mol of NaOH reacted with 3g of ethanoic acid .....get the volume of NaOH
Wednesday, April 27, 2016 by Linus

Chemistry
Which of the following will be more soluble in an acidic solution than in pure water? Ag2SO4 CuI RbClO4 AlPO4 Cd(OH)2 Is the answer the first and second?
Wednesday, April 27, 2016 by Diana

Chemistry
What volume of coffee (pH=5.0) would be required to have .25 moles of H3O+ ions? (must be two steps)
Tuesday, April 26, 2016 by Luna

Chemistry
In the production of carbon disulfide (CS2), carbon (C) and sulfur dioxide (SO2) are reacted. If 8.00 g of sulfur dioxide reacts, how many moles of carbon dioxide are produced?
Tuesday, April 26, 2016 by Tammy

Chemistry
I need help please. The question is vinegar, or a dilute of CH3COOH (acetic acid), should have a molarity of around 0.83 M. Using the Ka for acetic acid, what should the pH of vinegar be?? Thank you!!
Tuesday, April 26, 2016 by Lilly

chemistry
Suppose the ÄGof, ÄHof, and ÄSo are available and valid at 298 K. Which equation(s) could be used to calculate the change in Gibbs Energy if all product and reactant concentrations (pressures) are 1 M (1 atm) and the temperature is 298 K? Choose all that apply...
Tuesday, April 26, 2016 by Leighann

chemistry
Suppose the ÄGof, ÄHof, and ÄSo are available and valid at 298 K. Which equation(s) could be used to calculate the change in Gibbs Energy if all product and reactant concentrations (pressures) are 1 M (1 atm) and the temperature is 298 K? Choose all that apply.
Tuesday, April 26, 2016 by leighann

Chemistry
Solution of formic acid (HCOOH) with a pH of 1.98. Find the molarity of the acid.
Tuesday, April 26, 2016 by Leslie

chemistry
How much heat must be removed from 75.0 grams of water at 90.0 degrees Celsius to cool it to 23.0 degrees celsius?
Tuesday, April 26, 2016 by Hope

chemistry
If the water in 500mL of 0.44M NaCl solution is evaporated, what mass of NaCl will remain?
Tuesday, April 26, 2016 by Justin

Chemistry
How many grams of MgCl2 would be required to make 440 g of magnesium ?
Tuesday, April 26, 2016 by Ben

Chemistry
How many grams of MgCl2 would be required to make 440 g of magnesium ? The other product is chlorine.
Tuesday, April 26, 2016 by B

chemistry
At what temperature average speed of nitrogen will be same as the RMS speed of oxygen at 300 kelvin?
Tuesday, April 26, 2016 by Priyanka

chemistry
The combustion of 1.210 g of a mixture of CH4 and C2H6 gives 3.372 g of CO2 I have to determine the composition of the mixture (mastic %) and molar fraction of CH4 in the mixture CH4 + C2H6: CO2 + 2H2O C2H6 + O2: CO2 + H2O CH4 + C2H6 + 02: CO2 +H2O Thanks for the help
Tuesday, April 26, 2016 by Ele

Chemistry
How do i find the PH and pOH of 12.5ml of 15.8M HNO3 added to 400ml of 0.57M KOH
Tuesday, April 26, 2016 by Sean

Chemistry
Consider the reaction: 2H2+2NO->N2+2H2O. Initially 1.20mol of H2 and 0.95 mol of NO are placed in a container(all reactants and products are gases). If after 5 seconds the amount of H2 has been reduced to 1.02mol then how much NO is left and how much N2 and H2O has been ...
Tuesday, April 26, 2016 by Sean

chemistry
An enzymatic method for determining alcohol in wine is evaluated by comparison with a gas-chromatography (GC) method. the same sample is analyzed several times by both methods with the following results (% ethanol). Enzymatic method:
Tuesday, April 26, 2016 by pacey

chemistry
When irradiated with a radiation of wavelength 58.4 nm the electron of H atom was ejected with kinetic energy 7.6 eV. Calculate the ionization energy.
Tuesday, April 26, 2016 by kamila t arakkal

Chemistry
Rate of teaction depends upon a)Number of effective collision b)Concentration of the reactant c)Temperature d)All of these
Tuesday, April 26, 2016 by Ramsha

Chemistry
What is the internal energy if system absorbs 100J of heat and does 50J of work on the surrounding?
Tuesday, April 26, 2016 by Ramsha

Chemistry
100ml of h2s04 solution having molarity 1M and density 1.5g/ml is mixed with 400ml of water. Calculate final molarity of h2s04 solution if final density 1.25g/ml. Ans is 0.227M Who help me thanks a lot
Tuesday, April 26, 2016 by Mohit

Chemistry
References Chapter 17: EOC Assume you dissolve 0.178 g of the weak acid benzoic acid, , in enough water to make mL of solution and then titrate the solution with 0.187 M . ( for benzoic acid = .) What was the pH of the original benzoic acid solution?
Tuesday, April 26, 2016 by Anonymous

Chemistry
What is the pH change when 27.6 mL of 0.0920 M is added to 94.1 mL of a buffer solution consisting of 0.146 M and 0.174 M ? ( for ammonium ion is .) pH change =
Tuesday, April 26, 2016 by Anonymous

Chemistry
Iron metal is formed during the reduction of iron(III) oxide: Fe2O3 + 3CO 2Fe + 3CO2 When 29.7 kg of Fe2O3 react with 17.8 kg of CO and 4.5 kg of Fe are recovered, what is the percent yield for the reaction?
Monday, April 25, 2016 by Holly

chemistry
A hot air balloon is filled with hot air and the hot air forces the volume of the balloon to expand until the density of the gas in the balloon is less than the density of the outside air. The volume must be 20% larger than the balloon would be at STP in order for the balloon ...
Monday, April 25, 2016 by jenna

Chemistry
Knowing that the milk of magnesia contains 8 g% of Mg (OH)2, using 1 g of milk of magnesia and added 50 mL of 0.100 M HCl, determine the required volume of a solution of 0.105 M NaOH to titrate the excess HCl 0.100 M.
Monday, April 25, 2016 by Monica

Chemistry
20 mL of a solution of HCl concentration, neutralized 0,50 g of Na2CO3. What is the Molarity of the acid solution?
Monday, April 25, 2016 by Monica

Chemistry
Knowing that the milk of magnesia contains 8 g% of Mg (OH)2, using 1 g of milk of magnesia and added 50 mL of 0.100 M HCl, determine the required volume of a solution of 0.105 M NaOH to titrate the excess HCl 0.100 M.
Monday, April 25, 2016 by Kelly

Chemistry
What volume of coffee (pH =5.0) would be required to have .25 moles of H3O+ ions? (Hint: two step)
Monday, April 25, 2016 by Charlie

chemistry electochem
can someone explain this to me, looking at graphs in my textbook, it seems as concentration increases the electric potential goes down? why is this? wouldn't you suspect that as the more concentrated a solution is the greater the electric potential read?
Monday, April 25, 2016 by Anonymous

chemistry
In a titration of 0.5 M HCl and an unknown concentration NaOH, 25.0 ml of NaOH was required to completely neutralize 25.0 ml of HCl. What is the concentration of the NaOH?
Monday, April 25, 2016 by elly

chemistry
If a 11.5 cm3 sample of lake water is found to have 178.5 ng As, what is the concentration of arsenic in the sample in parts per billion (ppb), assuming that the density of the lake water is 1.00 g/cm3?
Monday, April 25, 2016 by Emergent help please!!

Chemistry please help
A general reaction written as 1A + 2B --> C + 2D is studied and yields the following data: Expt (A). (B) initial (C)/t 1. 0.150. 0.150. 8.00 x10^-3 2. 0.150. 0.300. 1.60 x10^-2 3. 0.300. 0.150. 8.00 x10^-3 What is the order of the reaction with respect to B? What is the ...
Monday, April 25, 2016 by Rose

chemistry
Descibe the frasch process
Monday, April 25, 2016 by Nancy

Chemistry
What is the value for Kb for the formate anion, HCOO-? Ka(C7H5O2)=2.1x10^-4.
Monday, April 25, 2016 by Lyndsay

Chemistry
A weak acid HA (pka=6.00) was titrated with 1.00M NaOh. The acid solution had a volume of 100ml and a concentration of .100M. Find the pH at the following volumes of added base. Vb=20ml
Monday, April 25, 2016 by Layla

Chemistry
A 25.0 g sample of iron at 398K is placed in a styrofoam cup containing 25.0 mL of water at 298K. Assuming that no heat is lost outside the cup, what will the final temperature of the water be? What will the final temperature of the iron be? I set them equal to each other to ...
Monday, April 25, 2016 by Merp

Chemistry
A hot air balloon is filled with hot air and the hot air forces the volume of the balloon to expand until the density of the gas in the balloon is less than the density of the outside air. The volume must be 20% larger than the balloon would be at STP in order for the balloon ...
Monday, April 25, 2016 by Chem

Chemistry
A hot air balloon is filled with hot air and the hot air forces the volume of the balloon to expand until the density of the gas in the balloon is less than the density of the outside air. The volume must be 20% larger than the balloon would be at STP in order for the balloon ...
Monday, April 25, 2016 by KS

Chemistry
Please check my work- what is the molarity of a solution that has 34.85 g of Potassium sulfate dissolved in one liter of solution? so K2(SO4) molar mass is 174.26, 34.85 grams x 1mol/174.26 than divided by 1 Liter equals .19998 Molarity with sig figs would it be .1999 or .2000?
Monday, April 25, 2016 by Petey

Chemistry
A 100.0 mL sample of 0.300 M Ca(OH)2 is mixed with 100.0 mL of 0.700 M H3PO4 in a coffee cup calorimeter. If both solutions were initially at 35.0 degrees celsius and the resulting solution had a temperature that was recorded at 39.7 degrees celsius, determine the delta Hrxn ...
Monday, April 25, 2016 by 2difficult

chemistry
A 100.0 mL sample of 0.300 M Ca(OH)2 is mixed with 100.0 mL of 0.700 M H3PO4 in a coffee cup calorimeter.If both solutions were initially at 35.0 °C and the resulting solution had a temperature that was recorded at 39. 7°C, determine the ΔHrxn in units of kJ/mol...
Monday, April 25, 2016 by jenna

Chemistry
Knowing the milk of magnesia contains 8 g% of Mg (OH) 2, we used 1 g milk of magnesia and added 50 mL of 0.100 M HCl, determine the volumeainda of a solution of 0.105 M NaOH to titrate the excess HCl 0.100 M
Monday, April 25, 2016 by Caleb

Chemistry help needed
Calculate the pressures, P, in atmospheres at which the mean free path, l, of a hydrogen molecule will be 5.00 μm, 5.00 mm, and 5.00 m at 20.0 °C. The diameter of a H2 molecule is 270 pm. I= 5.00μm 5.00mm 5.00m P= ? atm ? atm ? atm
Monday, April 25, 2016 by windal

Science - Chemistry
Calculate the amount of energy a woman takes in during a year on a 2200kcal a day diet (1 calorie = 4.18J). Calculate the amount of energy she spends in driving 5000 miles a year at 40 miles to the gallon of octane, given 1 gallon of octane weighs 3.12 kg, and standard ...
Monday, April 25, 2016 by Willie ISSAC

Chemistry problem
The formula for the Maxwell-Boltzmann distribution is given below,where y is proportional to the fraction of particles of molecular mass m at temperature T traveling at speed u. The expression frac(u1,u2) gives the fraction of particles between speeds of u1 and u2. Determine ...
Monday, April 25, 2016 by windal

chemistry
The first step in the process used to recover zinc metal from zinc sulfide ore is the reaction of zinc sulfide with oxygen gas to produce zinc oxide and sulfur dioxide. 2 ZnS(s) + 3 O2(g) → 2 ZnO(s) + 2 SO2(g) When the external pressure is 142700 Pa and the temperature ...
Monday, April 25, 2016 by windal

Chemistry
A 0.18 g sample of unknown was placed in a flask and dissolved in 125 mL of deionized water. A solution of HCl (0.13 M) was used to titrate the sample, and 16 mL was required to reach the endpoint. What is the formula weight of the unknown?
Sunday, April 24, 2016 by Taylor

Chemistry
To draw the lewis dot structure of H3COH3, Do I need to rearrange the formula as CH3OCH3? If not, On paper I have O H H C O C H H H I am not sure if this is the right structure.
Sunday, April 24, 2016 by My name is Earl

Chemistry
I have a .01 M solution of N2, and the concentration of H2 in the same solution is .02. What is the Ksp.
Sunday, April 24, 2016 by Elizabeth

Chemistry
Calculate the energy required to change the temperature of 256.7 mL of water at 22.0 degrees celsius to ice at a temperature of -25.5 degrees celsius. It also tells me to look up the heat of fusion and specific heat. I don't know what I need the heat of fusion for exactly...
Sunday, April 24, 2016 by Un-Known

Chemistry
When the power supplying a 30.0 gallon water heater was turned off, the temperature dropped from 75.0 degrees celsius to 22.5 degrees. How much heat was lost to the surrounding? I know I need to find the energy and or heat lost, but how will i get the mass of H2O used to ...
Sunday, April 24, 2016 by Un-Known

Chemistry- Dr.Bob222
Is there an actual value for the buffer capacity of acetic acid? I need to know the actual value, so that I can calculate the percent error for my lab.
Sunday, April 24, 2016 by Nevaeh

Chemistry
1.) A closed 5.00 L container is filled with a mixture of 4.00 moles of hydrogen gas, 8.00 moles of oxygen, 12.0 moles of helium, and 6.00 moles of nitrogen. What is the pressure in this container at a temperature of 25 °C? 2.) A closed 5.00 L container is filled with a ...
Sunday, April 24, 2016 by Sunny

Chemistry
The average rate of disappearance of ozone in the reaction 2O3(g) ---> 3O2 (g) is found to be 8.12 x 10^-3 molecules over 15 seconds. What is the rate of appearance of O2 during this interval
Sunday, April 24, 2016 by Rose

organic chemistry
Apart from the fact that between the two structures, only cyclohexe-4-ene-cis-1,2-dicarboxylic acid has the OH group shown on the IR spectrum. In what other majors way will the IR spectrum of cyclohex-4-ene-cis-1,2-dicorboxylic anhydride differ from the IR spectrum of ...
Sunday, April 24, 2016 by sarah

Analytical Chemistry
Calculation Of K2mno4 In Lab Class?
Sunday, April 24, 2016 by Ermiyas

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

chemistry
how do i calculate a weight/vol % from a molarity given the density? Molarity is 0.0303 M density = 1.52 g/mL, molar mass is 41.99 g/mol.
Sunday, April 24, 2016 by Anonymous

Chemistry
Given info: Time(s). (ClO) mol/L 0.0. 0.012 4.0. 0.008 8.0. 0.005 12.0. 0.0035 16.0. 0.0025 20.0. 0.002 24.0. 0.0018 28.0. 0.0017 Calculate the average rate of the overall reaction
Sunday, April 24, 2016 by Rose

chemistry
The pH of human blood needs to be between 7.35 and 7.45. You want to prepare a buffer solution that gives a pH of 7.40. You decide to use a sodium phosphate buffer: the acid is H2PO− 4 and the conjugate base is HPO2− 4 . You want the concentration of the acid to be...
Sunday, April 24, 2016 by Anonymous

Chemistry
Consider the following reaction in water: P4 (s) + 6 H2O (l) → 2 PH3 (g) + 2 H3PO3 (aq) If you allow 23.42 g of P4 to react what would be the pressure that the dry gas would exert on a 15.00 mL container at STP. Assume all of the phosphorus reacted. This can be solved by...
Sunday, April 24, 2016 by Name

Chemistry
What is the wavelength of light (in nm) if the energy of the wave is 1.33x 10^-19 J? How do I work this problem out????
Sunday, April 24, 2016 by Evin

Chemistry
What is the final concentration of a solution if 15-mL of a 2.4-M solution was diluted to 100-mL and this process was repeated two more times? Please help me how to work out the problem. I am not just looking for an answer. I really want to learn.
Sunday, April 24, 2016 by Evin

Chemistry
You prepare a buffer solution by dissolving 2.00 g each of benzoic acid, C6H5COOH and sodium benzoate, NaC6H5COO in 750.0 mL of water. What is the pH of this buffer? Assume that the solution's volume is 750.0 mL.
Sunday, April 24, 2016 by Dron

Chemistry
Zn (0.85M) + Cu (1.10M) in an electrochemical cell. what is the conc of the zinc ion?
Sunday, April 24, 2016 by Ron

chemistry
If 1 L HCl has a molarity of 0.10 M, what molar concentration of 1 L AgNO 3 is needed for HCl to completely react? How much product (moles and volume) will be formed? HCl(aq)+ AgNO3(aq) ->AgC(s)+HNO3(aq)
Sunday, April 24, 2016 by Anonymous

chemistry
If 1 L HCl has a molarity of 0.10 M, what molar concentration of 1 L AgNO 3 is needed for HCl to completely react? How much product (moles and volume) will be formed? HCl(aq)+ AgNO3(aq) ->AgC(s)+HNO3(aq)
Sunday, April 24, 2016 by Anonymous

chemistry
If 1 L HCl has a molarity of 0.10 M, what molar concentration of 1 L AgNO 3 is needed for HCl to completely react? How much product (moles and volume) will be formed? HCl(aq)+ AgNO3(aq) ->AgC(s)+HNO3(aq)
Sunday, April 24, 2016 by Anonymous

chemistry
Calculate the de Broglie wavelength (in pm) of a hydrogen atom traveling 450 m/s .
Sunday, April 24, 2016 by samantha

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