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February 8, 2016

Search: which reactions between HCL, AgNO3, Pb(NO3)2, H2SO4, BaCl2, CuSO4, KI, ZnSO4, Na2CO3, and K2CrO4 are double replacement

Number of results: 37,637

Science - Pls Help! Thanks ' (:
normal double glazing windows is made from two layers of glass with air trapped in between them. So How Can They Keep The House Warm ??
January 11, 2009 by fern

chemistry
why would a polystyrene cup be used in an exothermic reaction between HCl and NaOH instead of a beaker?
May 3, 2011 by Betsie

Chemistry
I am pretty good at balancing oxidation reduction problems, but I can't do this one: HIO3 + FeI2 + HCL -> FeCl3 + ICl + HOH 5HIO3 + 4FeI2 + 25HCl -> 4FeCl3 + 13ICl + 15HOH I separated the three redox equations, added the two oxidation reactions together, then balanced ...
February 2, 2007 by Brendan

chemistry
how do you balance CuSO4* 5H2O
January 29, 2011 by dasia

chemistry
Preceed the equation of CuSO4 + Fe
February 18, 2013 by kim

English check
The sentences below have transitive verbs so each verb has a direct object. Read each sentences and underline its direct object. (Underline the subject once, and double underline the action verb and circle the do.) *** Some may not have DO*** please correct me if I'm wrong! 1...
September 7, 2014 by Anonymous

CHEMISTRY
Here's one last equation I can't balance: Al{subscript 2}(SO{subscript 4}){subscript 3} + ZnCl{subscript 2} -> AlCl{subscript 3} + ZnSO{subscript 4} Please help, and thanks again. Response Al2(SO4)3 + 3ZnCl2 ---> 2AlCl3 + ?___ZnSO4 Why do you have "?____" before the ZnSO4?
October 13, 2008 by Anonymous

Chemistry
1. What is the molar of a sodium bicarbonate solution prepared from 150 g of NaHCO3 in 150 mL solution? 2. What mass of glucose (C6H12O6) is needed to prepare a solution of 10 M, 5 L solution? 3. What volume in liters of a 4.0 M Ca(NO3)2 is needed to provide 50 g Ca(NO3)2?
May 4, 2015 by Anonymous

math
Double my tens digit to get my ones digit. Double me and I am less than fifty.
March 28, 2011 by jack

math
riddle:double my tens digit to get my ones digit. double me and i am less than 50.
March 17, 2011 by jan

Chem
Which coordination compound will most likely form a precipitate when treated with silver(II) nitrate (aqueous)? [Cr(NH3)3Cl3] [Cr(NH3)6Cl3] Na3[Cr(CN)6] Na3[CrCl6] I tried the solubility rules, but that didn't work out. Any help would be great. I made a mistake about, it's ...
April 21, 2007 by Londy

chemistry
Given the following reaction: Pd(NO3)2+CaSO4-->PdSO4+Ca(NO3)2 If you started with 225.6ml of 6.32M CaSO4 and the percent yield of this reaction was ol 78.2%, what is the actual yield of grams mod of PdSO4?
December 4, 2010 by regina

chemistry
The reaction of aqueous cobalt(II) iodide and aqueous lead(II) nitrate is represented by the balanced formula equation. CoI2(aq) + Pb(NO3)2(aq) → PbI2(s) + Co(NO3)2(aq) Give the balanced ionic equation for the reaction. Include the states.
January 20, 2010 by bubble

chem
A student mixes 5 mL of 2.00 x 10^-3 M Fe(NO3)3 with 5 mL 2.00 x 10 ^-3 M KSCN. They find that in the equilibrium mixture concentration of FeSCN^2+ is 1.40 x 10^-4 M. Find each of the following: the initial concentration in solution for Fe^3+ and SCN, the equilibrium constant ...
October 14, 2015 by Grant

Chemistry
A volume of 10cm^3 of 2M H2SO4 is placed in a volumetric flas of 250cm^3 and filled to the mark with distilled water. What is the molar conc. of the H2So4 in the flask? After I found how many moles there are in 10cm^3, which is 0.02 mol, what is my next step, as because the ...
December 30, 2012 by Matt

Chemistry
4. Use the information above to write net ionic equations for the two reactions that you have observed. 5. For each reaction, write the two half-reactions that make it up and calculate the overall reaction potential by adding the two half-reactions. Each overall potential ...
April 8, 2012 by Please Check!

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
Consider a solution of CaCl2 and Mg(NO3)2 in which the concentrations of both Mg2+ and Ca2+ are the same, 0.01. M. Is it possible to separate Ca2+ from Mg2+ by selective precipitation of Mg(OH)2? To be precise, is it possible to precipitate 99.99% of magnesium without ...
October 21, 2014 by Meera

chemistry
When the conductivity is at a minimum, what must be true about the amount of Ba(OH)2 compared to H2SO4? The Ba(OH)2 dissociates as Ba+2 + 2 OH-. H2SO4 dissociates as 2 H+ + SO4-2. Why does it not conduct at this low point? Why does it conduct more before and after this minimum...
July 25, 2012 by Sara

chemistry
Earl N. Meyer found that it took 26.54 mL of a 0.0100 M KOH solution to reach the equivalence point for the titration of 25.00 mL of HCL. What is the molarity of the HCL?
June 21, 2010 by Alisha

Chemistry :(
Calculate the molality, % percent composition by weight, and the mole fraction of HCl in an aqueous 12M HCl solution that has a density of 1.20 g?mL Please help :(
January 22, 2013 by Jillian

FMU
After 2.02 g of Al has reacted completely with 0.400 L of 2.75 M HCl (the excess reactant), what is the molarity of the remaining HCl? 2Al(s)+6HCl(aq)-->2AlCl3(aq)+3H2(g)
March 24, 2011 by Alex

chemistry
When performing a titration, 23.65 mL of 1.25 M calcium carbonste was used to neutralize 9.68 mL of HCl. What is the concentration of the HCl solution? (Create a balanced equation first)
June 3, 2011 by lexi

chemistry
Aluminum metal generates H2 gas when dropped into 6.00 M HCl. Calculate the mass of H2 that will form from the complete reaction of 0.365 g Al with 8.40 mL of 6.00 M HCl.
January 26, 2012 by annie

AP Chemistry
In the titration of 77.5 mL of 1.0 M methylamine, CH3NH2 (Kb = 4.4 10-4), with 0.38 M HCl, calculate the pH under the following conditions. (a) after 50.0 mL of 0.38 M HCl has been added (b) at the stoichiometric point
February 7, 2012 by Bill

chemistry
Earl N. Meyer found that it took 26.54 mL of a 0.0100 M KOH solution to reach the equivalence point for the titration of 25.00 mL of HCl. What is the molarity of the HCl?
March 22, 2012 by roger

chem SCC 151
10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.110 M NaOH. What was the initial concentration of HCl?
July 15, 2012 by Anonymous

Chemistry (heat flow, simple)
Well I know to calculate heat flow you use, q=ms delta t. for this experiment we mixed naoh with hcl into water. the total mass (volume) of the mixture was 100g the temperature change for naoh was 11.7 degrees C and for hcl it was 11.8 degrees C now im looking to calculate ...
March 12, 2010 by Abdullah

chemistry
You have a 1.0 M stock solution of H2SO4 in a large flask. You need to dilute this to make a 0.25M solution of H2SO4 for an experiment. If you need exactly 100.0mL of the diluted solution, how would you make the diluted solution?
July 29, 2014 by brit

Chemistry
Label each of the following reactions as exothermic or endothermic ("exo" or "endo"), and according to whether work is done on or by the system, or no work is done at all ("on", "by" or "none")? Note that no "endo-on" cases appear here, as these are always thermodynamically ...
November 22, 2009 by victor

Science
Hydrogen gas(H2) and chlorine gas (CL2) react to form hydrocloric acid (HCL). What is the correct balanced chemical equation for this reaction? A-2H2+2CL2->HCL B-H2+CL2->2HCL C-2H2+CL2->2HCL D-H2+CL2->HCL I think C Pls Help me
September 29, 2015 by Jake

chemistry
Hi. I'm not sure if my strategy for this problem is correct: How many grams of CaCO3 will dissolve in 3.0x10^-2 mL of 0.050M Ca(NO3)2? I think I'm supposed to convert molarity of Ca(NO3)2 into moles, but then i don't know how to get from mols of that to mols of CaCO3..is it a ...
May 17, 2008 by Amir

chemistry
Calculate the pH of the following aqueous solution: 1.00 mol/L sulfuric acid, H2SO4(aq) H2SO4 ==> H^+ + HSO4^- 100% HSO4^- ==> H^+ + SO4^= not 100% (H^+) = 1.00 M for the first ionization. The second one is guided by k2. k2 = (H^+)(HSO4^-)/(HSO4^-) Plug into k2 as ...
April 6, 2008 by Sarah

Chemistry
Tums tablets contain CaCO3 that reacts with stomach acid as follows: CaCO3 (s) + 2HCl (aq) → CaCl2 (aq) + H2O (l) + CO2 (g)  Suppose the tablet was analyzed by adding 50.00 mL of 0.200 M HCl, which resulted in leftover excess HCl. The excess HCl was then analyzed...
October 12, 2015 by CHIPNDALE

Chemistry II
What volume of .0500 M calcium hydroxide is required to neutralize 38.50 mL of .0400 M nitric acid? 1. Write the equation. 2. M HNO3 x L HNO3 = mols HNO3. 3. Use the equation to convert mols HNO3 to mols Ca(OH)2. 4. Now use M x L = mols to calculate volume (L) Ca(OH)2. I ...
April 25, 2007 by Jayd

science(chem)
What is Zimmerman Reagent made of? (I know it is acidic b/c I was told after it burned a hole in my jeans) acid? You must mean Zimmermann-Reinhardt reagent (79 g MnSO4, 100 mL of concentrated H2SO4, and 200 mL of concentrated H3PO4, diluted to 1 L) Zimmerman reagent is equal ...
July 16, 2007 by christina

Chemistry
Classify each of the following by the type of solid if forms: a. LiCl b. BaCl2 c. BCl3 d. CCl4 e. NCl3
February 3, 2008 by Lauren

chemistry
calculate percent water in the following hydrates BaCl2*2H20 14.7%? CaCo3*6H20 51.9% Correct?
November 8, 2009 by Anonymous

chemistry
When 24.30mL of .5 M H2SO4 is added to 24.30 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density and specific heat ...
October 23, 2015 by patrick

NEED HELP! CHEMISTRY
Three electrolytic cells containing solutions of CuNO3, Sn(NO3)2, and Fe(NO3)3, respectively, are connected in series. A current of 2.2 A is passed through the cells until 3.10 g of copper has been deposited in the cell. (a) What masses of tin and iron are deposited? found ...
March 29, 2010 by Mark

bio
Supercoiling of DNA can occur (choose all that apply): A. when double stranded DNA is overwound B. when double stranded DNA is underwound C. when double stranded DNA is heated above it's Tm D. when DNA is treated with nucleases and Generally, cellular DNA is: A. Slightly ...
April 4, 2011 by Yoo

Programming C
//compares the amount the user has in deposits to the price of app selected. //It returns 1 if the amount is enough to cover the cost, 0 if there is not enough. int Compare(double deposit, double choiceCost); how do you get this function to compare return 1 or 0? i have double...
October 18, 2012 by Anonymous

math (double checking)
I've posted this question before but I forgot to say that I was dealing with polynomial inequalities (not sure if that makes a difference) The question is: Solve the following polynomial inequalities. (9 marks) 4x - 5 ≤ 2(x - 7) x^3 - 5x^2 + 2x ≥ -8 2(x^3 - 2x^2 + ...
January 12, 2013 by Anonymous

bio
Supercoiling of DNA can occur (choose all that apply): A. when double stranded DNA is overwound B. when double stranded DNA is underwound C. when double stranded DNA is heated above it's Tm D. when DNA is treated with nucleases and Generally, cellular DNA is: A. Slightly ...
April 4, 2011 by Yoo

Criminal justice
What protection is provided by the Fifth Amendment? A. Double jeopardy B. Self-incrimination C. Due process violations D. All of the above im confused between A and D
September 13, 2013 by AMy

URGENT CHEMISTRY
1. Write the equilibrium expressions for the following reactions: a) 2 N2O(g) + O2(g)  4 NO(g) b) H2(g) + CO2(g)  H2O(g) + CO(g) c) 4 HCl(g) + O2(g)  2 Cl2(g) + 2 H2O(g) d) 3 H2(g) + N2(g)  2 NH3(g) e) H2(g) + Cl2...
August 4, 2015 by Michael

science
Consider a double star system under the influence of the gravitational force between the stars. Star 1 has mass m1 = 1.72 1031 kg and Star 2 has mass m2 = 1.60 1031 kg. Assume that each star undergoes uniform circular motion about the center of mass of the system (cm). In ...
October 22, 2013 by mechanics

science
Consider a double star system under the influence of the gravitational force between the stars. Star 1 has mass m1 = 1.72 1031 kg and Star 2 has mass m2 = 1.60 1031 kg. Assume that each star undergoes uniform circular motion about the center of mass of the system (cm). In ...
October 23, 2013 by Anonymous

Chem 130
What mas of liquid mercury should be produced by the reaction between 5.0 mL of 0.1102 M mercury(II)nitrate ans 0.621 grams of silver metal? would the formula be... Hg(NO3)2(aq) + 2Ag(aq)--> 2AgNO3(aq) + Hg(l)
November 11, 2014 by michelle

Chemistry
What can you conclude about the relationship between colligative properties and the type of ions in solution from the 1.0m HCl(aq) and 1.0m NaCl(aq) solutions?
February 16, 2010 by Laverne

chemistry
how many milliliters of dry CO2 measured at STP could be evolved in the reaction between 20.0 mL of 0.100 M NaHCO3 and 30.0 mL of 0.0800 M HCl
December 6, 2011 by T

Chemistry
How many mole of H2 will be produced if 0.500 grams of magnesium is reacted with 10.00mL of 2.0 M HCl? I've concluded the answer is 0.02 moles of H2, but I'm doubting myself a lot because I don't understand the aspects of the balanced chemical equation and how that affects the...
October 22, 2011 by Martin

Chemistry
How would you write these chemical reactions?Can someone do one or two reactions for each problem, so I could get an idea of to them? ..I'm nit sure how most of the oeoducts wouls turn out..especially if it is a precipitate. 5. When Mn^2+ ions are separated from the mixture, ...
May 10, 2014 by Jamie

Chem-BufferQ
You have a solution of .5 L of 1.74g of NH3 and 4.15g of (NH4)2SO4. How many ml of 14M HCl is required for a pH of 9.00? I don't know how to go finish this one. I thought about figuring the concentrations of each (NH3, NH4), making an ice table and solving for the additino of...
November 14, 2011 by Matt

Chem
HCl -> H+ + Cl- In this scenario would the HCl be a strong acid and the Cl- the base? And do you only use the word conjugate bases when dealing with weak acids? Thanks.
March 2, 2011 by Lena

chemistry
Consider the titration of 88.0 mL of 0.150 M Ba(OH)2 by 0.600 M HCl. Calculate the pH of the resulting solution after the following volumes of HCl have been added. 0.0 ml 12 ml 31 ml 44 ml 88 ml
March 28, 2011 by Sarah

chemistry
Explain how you would prepare the following dilute solutions from the more concentrated ones: a. 200ml of .500M HCL from a 6.00M HCL solution.
April 4, 2011 by cameron

chem
How many grams of zinc metal will react completely with 8.2 liters of 3.5 M HCl? Show all of the work needed to solve this problem. Zn (s) + 2 HCl (aq) ZnCl2 (aq) + H2 (g)
January 17, 2012 by bryan

Chemistry
In the reaction, K2Cr2O7 +14 HCl ----> 2KCl + 2CrCl3 + 3Cl2 + 7H2O how many moles of HCl act as reducing agent in balanced chemical equation?
April 15, 2013 by Clandestine

physical sciences
to find out whether the amount of heat(gas)produced will depend on an increase on the concetration of HCL when HCL reacts with an excess Zn
June 4, 2013 by esmah

physical sciences
to find out whether the amount of heat(gas) produced will depend on an increase on the concetration of HCL when HCL reacts with an excess Zn
June 4, 2013 by esmah

science
5.0g of magnesium metal reacted with 1000cm3 of 4.5M HCl solution to produce hydrogen gas. Calculate the amount of HCl left after the reaction
June 29, 2013 by samuel

chemistry
titration of 50ml of 0.25ammonia with 0.5M HCL . a) find the initial PH value b) volume of HCL is required to reach the equivalent poinnt c)the ph at the equivalence point
November 29, 2014 by anne

Chemistry
a 40.0 ml sample of ca(oh)2 was titrated with 0.0704 m hcl. the volume of hcl needed to reach equivalence point was 18.2 ml. what was the concentration of ca2+ present in the original solution?4
April 22, 2015 by Dahnrae

Chemistry
What volume of 0.149 M HCl must be added to 1.00x10^2 mL of 0.285 M HCl so that the resulting solution has a molarity of 0.205 M? Assume that the volumes are additive.
October 12, 2015 by Faith

Chemistry
The molarity of concentrated HCl purchased for laboratory use is approximately 12.1 M. How many milliliters of this reagent should be diluted to 1.000 L to make 0.100 M HCl?
January 19, 2016 by Kevin

chemistry
A solution is made by adding 5.0 g Na2CO3 * 10H2O to enough water to make a 500 mL solution. what is the molarity. I have: M=mol solute/liter solution = (5/286)/.5 = .035M 286 is what i got for the molar mass of Na2CO3 * 10H2O Is that correct?? I think it is, but the next ...
May 3, 2010 by Maggie

chemistry
Calculate the molarity (mol/L) of Ba2+ when BaCrO4 is placed in a 0.0457 M K2CrO4 solution. The equation represents the solubility process. K(sp)=1.2x10^-10 BaCrO4 (s) Ba2+ (aq) + CrO42- (aq)
April 14, 2010 by bme1

Chemistry
A balanced equation for CuSO4+NaCl--> ???
November 20, 2007 by B Hlock

science
How do you calculate 1 mole of CuSO4 5 H2O?
January 29, 2008 by joanie

chemistry
What happens when KCl and CuSO4 react?
October 22, 2009 by Anonymous

chemistry
Prepare 250mL of 2.00%(w/v) CuSO4 from CuSO4x5H2O
December 5, 2010 by margrav2

chemistry
What is the chemical equation of methylamine with CuSO4?
March 21, 2013 by Mikha

chemistry
How many grams are there in 2.5 moles of CuSO4.5H2O?
August 11, 2014 by Shane

chemistry
i need help to understand the problem.. what is the relationship between the numbers of electrons gained and lost in a redox reaction? Do all electrochemical cells involve redox reactions?
November 16, 2013 by S1D

NEED HELP PLZ!!! STATS
Three cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of tens drawn in a set of 3 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this experiment is completed...
October 23, 2011 by Jennifer

Chemistry
Calculate the percent purity of a sample of zinc metal if 325 mL of hydrogen gas is collected by water displacement at a temperature of 22.0 C and an atmospheric pressure of 745.0 mm Hg when 1.12 g of the sample is reacted with excess HCl: Zn + 2 HCl = H2 + ZnCl2. The vapor ...
December 11, 2014 by Harry

chemistry
1.If its molar solubility is designated by x, then which of the following expressions best represents the solubility product for the substance Ag2SO4? a) x2 b) 27x4 c) 4x3 d) 108x5 e) 3x4 2. Consider the equilibrium, 4HCl(g) + O2(g) 2H2O(g) + 2Cl2(g). The equilibrium law ...
August 3, 2011 by tt

Chemistry
If you could help me it would be greatly appreciated, Thanx Question 1 In a titration, a 20mL sampl of NaOh(aq) was neutralized by 14.9 mL of 0.13 mol/L H2SO4(aq). The concentration of the base is A. 8.7 mol/L B. 0.35 mol/L C. 0.19 mol/L D. 0.048 mol/L Question 2 A lab ...
September 22, 2006 by Brittany Rusk

CHEMISTRY
25cm^3 of a solution of NaOH required 28cm^3 of 1.0 mol dm^-3 H2SO4 to neutralise it. a)Write an equation for the reaction. b)How many moles of H2SO4 were needed? c)How many moles of NaOH were thus neutralised? d)How many moles of NaOH are there in 25cm^3 of solution?
October 20, 2013 by Ava

Chemistry
Can you please help me write the oxidation and reduction half reactions represented in each of these redox equations, and help me write the half reactions in net ionic form if they occur in aqueous solution. 1) PbO(s) + NH3(g) --> N2(g) + H2O(l) + Pb(s) 2) I2(s) + Na2S2O3(...
August 24, 2015 by sydney

chem 2
Consider a chromium-silver voltaic cell that is constructed such that one half-cell consists of the chromium, Cr, electrode immersed in a Cr(NO3)3 solution, and the other half-cell consists of the silver, Ag, electrode immersed in a AgNO3 solution. The two electrodes are ...
May 29, 2014 by Anonymous

Math
Three cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of tens drawn in a set of 3 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this experiment is completed...
October 21, 2011 by Jen

Stats
Three cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of tens drawn in a set of 3 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this experiment is completed...
October 23, 2011 by Jennifer

statistics
Two cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of Jacks drawn in a set of 2 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this experiment is completed ...
October 4, 2012 by mom

Chemistry
What is the pH of the solution created by combining 12.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH:12.30 pH w/ HCl _________ pH w/ HC2H3O2 _________ What are the pH values if you take into account that the 8....
April 29, 2012 by HELP!!

Chemistry
What is the pH of the solution created by combining 12.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? mL NaOH:12.30 pH w/ HCl _________ pH w/ HC2H3O2 _________ What are the pH values if you take into account that the 8....
April 29, 2012 by HELP!!

physics
In a double-slit experiment, two beams of coherent light traveling different paths arrive on a screen some distance away. What is the path difference between the two waves corresponding to the third bright band out from the central bright band? The path difference between the ...
March 22, 2014 by Anonymous

Chemistry - bobpursley pls help
Posted by candy on Tuesday, September 21, 2010 at 3:12pm. Yes, my NaOH is granular. Why 7ml of 10M HCl? Do I add 7ml of 10M HCl 1st slowly in ice bath, then slowly adjust the pH to 7 using 10M HCl? Then to dilute to 15ml in a graduated cylinder? Thanks Posted by candy on ...
September 21, 2010 by candy

CHemistry- For Dr.Bob
Hey Dr.Bob, I asked two days ago a question about a titration lab I had that you answered, but I still have one more question about that lab. Here's the lab summary: For my chemistry of solutions class, we had a titration lab where we titrated NaOH into an HCl + H2O mix. This ...
August 2, 2012 by Robert

Analytical Chemistry
A 22.617 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 70.407 g of water. A 10.883 g aliquot of this solution is then titrated with 0.1072 M HCl. It required 29.32 mL of the HCl solution to reach the methyl red ...
February 28, 2013 by Sam

chemistry kinetics
1. Statement-I : Fractional order reactions are not elementary reactions. Statement-II : For an elementary reaction, order must be same as molecularity. are these statements true? give reason.
May 24, 2012 by swa

Chem
Choose the member of each set that you would expect to be more soluble in water. Explain your answer. Chloroform, CH3Cl, or hydrogen chloride. My gut instinct was HCl, however I'm not sure why [or if] it's more soluble than CH3Cl. Of course HCl is more soluble in water than ...
March 20, 2007 by Tasha

Written Communication
What kinds of unwanted reactions might you get from readers of your messages? What steps would you take to ensure that the purpose of your message (whether informative, negative, or persuasive) is conveyed to your readers? As asked and answered previously: http://www.jiskha....
July 30, 2007 by Shelley

Chemistry, HELP!!
Write two hydrolysis reactions for Cu^2+ reacting with water in each step to form CuOH^+ and Cu(OH)2. The hydrolysis constants for the two reactions are: log kh1 = -7.7 and log Kh2 = -6.1
February 8, 2015 by Brian

Math
What volume, in ml, of a 60% of HCl acid solution must be added to 100 ml of a 30% HCl solution to make a 36% HCl solution. We need 2 alegabreic (?) equations. The first I can get is: 0.36x - 0.60y = 100ml (this is probably wrong)? Blah. I can't get the other one. -.- VolHCL*....
January 31, 2007 by Ariel

Chemistry
2KMnO4(aq)+16HCl(aq)->2MnCl2(aq)+5Cl2(g)+8H2O(l)+2KCl(aq) A.)the volume of 0.414 M KMnO4 needed to produce 1.66 mol MnCl2 B.) the volume of 2.15 M HCl needed to produce 112 mL of 0.618 M KCl C.)the molarity (M) of the HCl solution when 26.42 mL react with 28.38 mL of 0.398 ...
December 10, 2010 by Anonymous

Chemistry
Consider the following reaction AgNO3 (aq) + NaCl (aq) → AgCl (s) + NaNO3 (aq) DH = -66 kJ Suppose that 100.0 mL of 0.100M AgNO3 is added to 200.0 mL of 0.100 M NaCl in a coffee cup calorimeter. Assuming that the initial temperature of the solution is 25.000C calculate ...
November 15, 2014 by Mahnoor

chem
a. One can use pH differences to separate basic substances from non-basic ones. Which of the following would be suitable for use in the aqueous phase to achieve the separation of phenol from naphthalene: K2HPO4, K3PO4, (CH3)3NHCl, (CH3)3N, NaHCO3, Na2CO3? Explain your answer. ...
February 2, 2010 by lisa

Chemistry
I need help finding reactions beneficial to society. Here's the assignment quoted. "Your assignment is to research two different chemical reactions that are used to address social/environmental needs or problems. These reactions must clearly be attempting to improve our world...
April 10, 2010 by Crazy

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