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August 29, 2015

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

Number of results: 35,938

organic 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, 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

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!!

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

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

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

college chemistry
If you start with 1.200 g of BaCl2 X(multiplied) 2H20 and heat if for 4-8 min, what will be the mass of the water removed?
September 15, 2009 by shirley

chem
write the correct net ionic equation and identify spectator ions when CoSO4 and BaCL2 mix
September 29, 2013 by Alexandra

chemistry
what is the procedure for determining the boiling point of 1 M solution of sugar,urea,glucose,NaCl,BaCl2,AlCl3
November 5, 2014 by mrunal

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

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

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

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
I have two substances potassium sulfate and potassium carbonate. They are unlabelled and I need to know which one is which. If I add HCl to each substance ie K2SO4(s) + 2HCl(aq)-->2KCl(aq) + H2SO4(aq) K2CO3(s) + 2HCl(aq)--> 2KCl(aq) + H2O(l) + CO2(g) What would I observe...
April 24, 2007 by Fiona

Probability
A box contains 10 balls. Three of them are white, five are red, and two are black. Calculate the following probabilities: a) The first ball extracted is red. b) The first ball extracted is red or white. c) The second ball extracted is red given that the first is white (with ...
October 2, 2014 by Bol

math
as well as addition,subtraction,division and multiplication.Sally invents the operation Q. when you see Q between two numbers,you double the sum of their squares. The value of 5Q12 would be ?
November 10, 2012 by wan

math
double my tens digit to get my ones digit. double me and i am less than 50
March 16, 2010 by christian

math
double my tens digit to get my ones digit. double me and i am less than 50? who am i
March 31, 2010 by sydney

math
double my tens digit to get my ones digit. double me and i am less than 50
May 6, 2010 by Anonymous

math
Double my tens digit to get my ones digit Double me and i am less than 5o.
May 24, 2011 by tony

math
Double my tens digit to get my ones digit double me and I am less than 50
April 26, 2012 by Ann

chemistry
when 12.76mL of HCl of unknown concentration (but less than the base) are reacted with 15mL of 3.254M NaOH, 1.68kJ of heat are released. What is the molarity of the HCl solution?
November 23, 2010 by serena

Chemistry
Can someone please explain me how to do this problem? A 25mL solution of 0.5 M NaOH is titrated until neutralization into a 50mL sample of HCl. What was the concentration of the HCl?
February 24, 2011 by Abigail

Chemistry
What is the concentration of an HCl solution if 23.1 mL of HCl are needed to neutralize completely 35.0 mL of 0.101 M Ba(OH)2 I cannot get the right answer (Macic)(23.1mL)=(0.101M)(35.0mL) Macid = .153
December 5, 2011 by corey

chemistry
How many milliliters of a 0.5 molar HCl solution are needed to react completely with 11 grams of zinc according to the following equation? ? HCl + ? Zn ! ? ZnCl2 + ? H2 Answer in units of mL
September 19, 2012 by cheri

chemistry
How many grams of magnesium metal will react completely with 5.2 liters of 4.0 M HCl? Show all of the work needed to solve this problem. Mg (s) + 2 HCl (aq) yields MgCl2 (aq) + H2 (g)
May 21, 2014 by Tessa

chemistry
Consider the following reaction. SO3(g) + H2O(l) → H2SO4(aq) A chemist allows 60.9 g of SO3 and 11.1 g of H2O to react. When the reaction is finished, the chemist collects 54.4 g of H2SO4. Determine the limiting reactant, theoretical yield, and percent yield for the ...
March 20, 2015 by Jena

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

chemistry
Construct the following using molecules of your choice: a) a polyester and b) a polyamide. Each drawing should have four monomers and should be original in its structure. Your polymers can not be biochemical (carbohydrate, lipid, protein, etc.). Identify the reactions as ...
May 9, 2008 by Mable

Chem
Arrange the three metals(Cu, Zn, and Mg) in order of their relative strengths as reducing agents, placing the strongest first. Arrange the three metallic ions ( Cu(No3)2, Zn(No3)2, and Mg(No3)2 ) in order of their relative strengths as oxidizing agents, placing the strongest ...
April 15, 2008 by ashley

chem!
Arrange the three metals(Cu, Zn, and Mg) in order of their relative strengths as reducing agents, placing the strongest first. Arrange the three metallic ions ( Cu(No3)2, Zn(No3)2, and Mg(No3)2 ) in order of their relative strengths as oxidizing agents, placing the strongest ...
April 15, 2008 by ashley

Organic Chemistry
What is the mechanism of action between sodium benzoate (NaC6H5COO) and hydrochloric acid (HCl)? I need to know where the electrons go in this reaction.
October 11, 2011 by BOB

Chemistry
Quantitative anaylsis of cl- ion is often performed by a titration with silver nitrate, using sodium chromate as an indicator. As standardized AgNo3 is addded, both white AgCl and red Ag2CrO4 precipitate, but so long as some cl- remains, the Ag2CrO4 dissovles as the mixgture ...
October 31, 2010 by MEG

chemistry
when ammonia is added to Zn(NO3)2 solution, a white precipitate forms, which dissolves on the addition of excess ammonia. But when ammonia is added to a mixture of Zn(NO3)2 and NH4NO3, no precipitate forms at any time. Suggest an explanation for this difference in behaviour.
April 2, 2011 by Ana

Intro to Chemistry
How do balance this equation K2S+CuSO4
October 8, 2009 by Ariel

chemistry
write the reaction for the dehydration of CuSO4 . XH20?
June 14, 2010 by Alisha

chemistry
How many grams of copper are contained in 253g of CuSO4
September 9, 2010 by Keren

Density of CUSO4
How can I find out the mass measurement?
March 6, 2011 by Lorraine

Density of CUSO4
How do I find out the mass measurement?
March 6, 2011 by Lorraine

chemistry
What would happen if NaOH was added to CuSO4
April 6, 2011 by Anonymous

Chemistry
How many mililiters of 4.45*10^-2 M CuSO4 contain 4.05g of solute
October 2, 2012 by michael

Gen Chem
what is the formula weight for CuSO4 5H2O?
October 23, 2012 by Andrea

chemistry
Describe how to make 450mL of a 1.15% solution of CuSO4
October 15, 2014 by Amanda

Chemistry
A solution of H2SO4 was electrolyzed using the inert platinum electrodes. A) Write the balanced half-reactions for the anode and cathode in this cell. B) How many coulombs passed through the cell in 90 minutes at 8.0 amperes? C) How many moles of electrons pass through the ...
January 6, 2013 by Melanie

English
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.) please correct me if I'm wrong! 1. Sam burnt the toast. ( ...
September 6, 2014 by Anonymous

Chemistry Lab
So we prepared 100mL of .1M solutions of these solutions, and found the pH and H+ contents: pH H+ HCl: .57 .270 HNO3: .58 .260 H2SO4: 1.29 .051 HC2H3O2: 2.44 .0036 H2C2O4: .84 .145 HKC6H4(CO2)2: 4.13 7.41 Now I'm stuck on this question. What conclusions can be drawn from this ...
March 21, 2011 by Adrianna

Quick 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
Sorry DrBob, it's me again! Here's the info: Antacid Brand: Life Concentration of HCl: 0.1845 M Concentration of NaOH: 0.1482 M Trial 1: 1.Mass of Table: 1.2173g 2.Volume of HCl added: 75.0 mL 3.Milliomoles of HCl added:(0.1845M x 75.0mL= 13.84 mmoles 4.Volume of NaOH used: 17...
October 18, 2010 by Akhed-To DrBob222

Chemistry
1. A good indicator will have a(n)____ close to this volume and pH. I think it's endpoint but it's wrong. 2. (part a) What is the pH of the solution created by combining 1.70 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)? ...
April 28, 2012 by Jody

Chemistry
1. A solution containing 0.100 mol of Na2CO3 and 0.100 mol of NiCl2 is allowed to react. Which reactant is the limiting reactant? 2. A solution containing 0.100 mol of Na2CO3 and 0.100 mol of NiCl2 is allowed to react. How many moles of precipitate form in this reaction?
February 23, 2013 by Eagertolearn

chemistry
hi kinda stuck :) 100.0 ml of 0.100 M H2NNH2 (kb =3.0 x10^-6) is titrated by 0.200M calculate PH after adding the following volumes of HNO3 a 0 b 25.0 ml c 50.0 ml d 60.0 ml ----------------------------------------- A) N2H4 + HNO3 --> N2H5+ + NO3- .100 0 0 3.0 x 10-6= x2/....
July 26, 2009 by Jim_R

Chemistry
Suppose that 50.0 mL of 0.25 M CH3NH2(aq) is titrated with 0.35 M HCl(aq). (a) What is the initial pH of the 0.25 M CH3NH2(aq)? (b) What is the pH after the addition of 15.0 mL of 0.35 M HCl(aq)? (c) What volume of 0.35 M HCl(aq) is required to reach halfway to the ...
November 3, 2010 by Dana

Chemistry
Using standard reduction potentials, show that one can prepare an ammine complex from CoCl2 and hydrogen peroxide in the presence of ammoinia but not in its absence. (need to write two redux reactions, calculate standard potentials for the reactions, and make conclusions). I ...
April 26, 2012 by Anonymous

Chemistry
Explain why each of the following is incorrect: (a) Entropy increases in all spontaneous reactions. Wouldn't (a) be actually correct? Because when there's a spontaneous reaction, you have less stable molecules and more disorder. It will be lower in some reactions than in ...
May 23, 2012 by Robert

chemistry
Which of the following are redox reactions? For those that are, indicate which element is oxidized and whisch is reduced. For those that are not, indicate whether they are precipitation or neutralization reactions. (a) P4(s) + 10HClO(aq) + 6H2O = 4H3PO4(aq) + 10HCl(aq) (b) Br2...
November 5, 2012 by MichaelF

CHEMISTRY
Use the solubility rules to predict whether the following substances are soluble or insoluble in water: a) K2CrO4 _______________ b) NiSO4 _______________ c) Cu(OH)2 ______________ d) Pb(C2H3O2)2 __________ e) Ag2CO3 _______________ f) Al2S3 ________________ Please help me ...
May 13, 2012 by DAN

chemistry
complete and balance Co(OH)3(aq)+Na2CO3(aq)
October 8, 2012 by chemdummy

chem - check euqation please
suggest a test chemical that can be added to the water sample to precipate the lead (II) ions. Show a chemical equation for the formation of the precipate you have chosen. I chose Hg(N03)2 so Pb2 + Hg(NO3)2 -->Pb(NO3)2 = Hg I know I still have to balance it but is my ...
May 28, 2008 by Emily B

chemistry
Answer the following questions based on this reaction: Pb(NO3)2 (aq) + 2 NaCl (aq) --> PbCl2 (s) + 2 NaNO3 (aq) a) If 225 mL of 12.95 M Pb(NO3)2(aq) are reacted with a solution made with 5.05 g of NaCl (aq), how many grams of lead (II) chloride will be precipitated b) If ...
January 23, 2015 by stacey

Chemistry
How can you increase the concentration of the product (s) in each of these reactions by varying the temperature and pressure (caused by volume change)? 4NH3 + 5O2 <=> 4NO + H2O Delta H = -903.75 kJ Br2 + Cl <=> 2BrCl Delta H = 14.64 kJ Please help... With gaseous ...
May 2, 2007 by Linda

Chemistry
Yellow CdS pigment is prepared by reacting ammonium sulfide with cadmium nitrate. What mass of CdS can be prepared by mixing 2.50 L of a 1.25 M Cd(NO3)2 solution with an excess of (NH4)2S? Cd(NO3)2 + (NH4)2S ---> CdS + 2NH4NO3 Could someone give me a step by step ...
April 29, 2010 by Ana

math
6. A bowl contains 10 red balls, 10 green balls and 10 white balls. a. What is the probability of drawing 2 white balls with replacement? b. What is the probability of drawing 2 white balls without replacement?
February 13, 2012 by sharon

chemistry
Q: I just did an online chemisty lab for Oxidation States of Manganese and I'm stuck. I have three test tubes that have been prepared as follows: Tube 1- Starting PH 13.82 2 mL of KMnO4 1 mL of NaOH Tube 2- Starting PH 7 2 mL of KMnO4 Tube 3- Starting PH 0 2 mL of KMnO4 1 mL ...
July 27, 2010 by jo

Chem
Which chloride should exhibit the most covalent type of bond? WHY? A) NaCl B) KCl C) BaCl2 D) BeCl2 E) CaCl2
April 12, 2009 by Sandy

CHEMISTRY HELP!!
When BaCl2 reacts with Na3PO4, Ba3(PO4)2 and NaCl are formed. Balance the equation and write the coefficients in the blanks.
March 12, 2013 by Anna

chemistry
*the molar solubility of BaCo3 in 0.50M Bacl2 solution IS?ksp(1.6*10^-6) I CALCULATED AND GOT 3.2*10^-9 WANT TO MAKE SURE IF IT CORRECT
March 19, 2014 by jessina

chemistry
If 32.9mL of 0.170M BaCl2 are needed to react completely with 35.0mL of 0.160M Na2SO4 . How many grams of BaSO4 will be formed?
June 15, 2015 by jennifer

chemistry
What is the pH of the solution created by combining 11.50 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)? What are the pH values for HCl and HC2H302 if you take into account that the 8.00 mL of 0.10 M Acid was first diluted...
May 2, 2008 by Trisha

Chemistry
How many mL of concentrated HCl(aq) (36% HCL by mass, d=1.18g/mL_ are required to produce 12.5 L of a solution with ph = 2.10? First I started with finding out the concentration of [H30+] and for that I got 7.94 x 10^-3 but I don't know how to continue.
June 7, 2011 by K

chemistry
How many milliliters of a 0.5 molar HCl solution are needed to react completely with 15 grams of zinc according to the following equation? ? HCl+? Zn→? ZnCl2 +? H2 Answer in units of mL
October 28, 2013 by Anonymous

chemistry
How many milliliters of a 0.5 molar HCl solution are needed to react completely with 15 grams of zinc according to the following equation? ? HCl+? Zn→? ZnCl2 +? H2 Answer in units of mL
October 28, 2013 by Anonymous

double integral
1. Sketch the region of integration & reverse the order of integration. Double integral y dydz... 1st (top=1, bottom =0)... 2nd(inner) integral (top=cos(piex), bottom=(x-2)... 2. Evaluate the integral by reversing the order of integration. double integral sqrt(2+x^3) dxdy... ...
March 11, 2011 by Michelle

Chemistry
Is Glucose soluble in HCl, NaOH and NaHCO3 because it's soluble in water? - I put soluble for all because it dissolves in water. Is p-toluidine soluble in HCl, NaOH, and NaHCO3? I put soluble in HCl, insoluble in NaOH and insoluble in NaHCO3. Is benzoic acid soluble in HCl, ...
May 25, 2010 by Alex

Chemistry
What volume of 0.01 M NaOH should be required to raise the pH of a litre of 25 mM H2SO4 to 4.0? I started out by attempting to find the initial pH of H2SO4 and determined I need 2.57 units of pH to raise it to 4. I know that somewhere I use the HH equation, but don't know what...
September 22, 2013 by Sara

Chemistry - Ksp
i did an experiment where we titrated HCl on calcium hydroxide, and now i am confused with the calculations, i do not know if i am correct, so please help me out... Trial One volume of HCl used - 11.20mL concentration of HCl - 0.04mol/L so to get moles of HCl i used M= CV is ...
April 25, 2011 by Farah

Education
A classroom test that measures appropriate knowledge and/or skills is likely to be reliable because of the strong link between validity and reliability. A. Advanced vocabulary B. Double-concept item
June 8, 2012 by zz

Chemistry 1
You carefully weigh out 17.00g of CaCo3 powder and add it to 68.85g of HCl solution. You notice bubbles as a reaction takes place. You then weigh the resulting solution and find that it has a mass of 78.88g . The relevant equation is CaCo3(s)+ 2HCl(aq)---> H2O(l)+ CO2(g)+...
May 30, 2011 by Christy

Chemistry
A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std) for this standard solution is assumed to be ____ M. I tried this problem by adding the moles of Fe(NO3)3 and ...
April 13, 2008 by Renee

MATH Prob.
A box contains two black balls and three gold balls. Two balls are randomly drawn in succession from the box. a. If there is no replacement, what is the probability that both balls are black? b. If there is replacement before the second draw, what is the probability that both ...
August 6, 2009 by Twg

Chemistry
If your solution’s final volume of 32.55 mL yields 3.6 grams of AgCl, determine the Molarity of the final solution. Also, how many milliliters of a 1.85 M solution of AgNO3 did you add to an excess of aqueous NaCl to provide the 3.6 grams of AgCl? Actually this question is two...
March 26, 2013 by Shoba

chem
What would be the reaction between Mn2+ and NH3? is it Mn(NH3)? and would this solution react with HNO3, considering it would already have NO3 in it?
November 1, 2010 by nicole

Chemistry PLZ HELP!!!!!
which intermolecular forces would exist between molecules of: a. H2S b. H2O c.O2 d. SiH4 e. HCl f. CH3Cl g. CO2 h. NH3
April 8, 2012 by Maci

Chemistry PLZ HELP!!!!!
which intermolecular forces would exist between molecules of: a. H2S b. H2O c.O2 d. SiH4 e. HCl f. CH3Cl g. CO2 h. NH3
April 8, 2012 by Maci

Chemistry PLZ HELP!!!!!
which intermolecular forces would exist between molecules of: a. H2S b. H2O c.O2 d. SiH4 e. HCl f. CH3Cl g. CO2 h. NH3
April 8, 2012 by Maci

college chem
The cation M2+ reacts with NH3 to form a series of complex ions as follows: M2+ + NH3 M(NH3)2+ K1 = 102 M(NH3)2+ + NH3 M(NH3)2 2+ K2 = 103 M(NH3)2 2+ + NH3 M(NH3)3 2+ K3 = 102 A 1.0 × 10–3 mol sample of M(NO3)2 is added to 1.0 L of 15.0 M NH3 (Kb = 1.8 × 10–5). What is the ...
April 24, 2011 by richard

Science
What is the molar mass of anhydrous salt in CuSo4 5H2O
December 10, 2007 by Jeanie

Chemistry
How many moles of electrons are required to produce 23.8 g Cu from a CuSO4 solution?
May 2, 2010 by Angel

college chemistry
what is the theoretical percent of water in CuSO4 x's 5H2O?
October 1, 2010 by sam

Chemistry
Will CuCI2+Na2SO4->CuSO4=NaCI2 precipitate and how can you determine this?
May 12, 2011 by Tiana

Chemistry
how many grams of aluminum sulfate are produced if 23.33 g Al reacts with 74.44 G CuSO4
May 21, 2012 by Jordan

Chemistry
Need type of reaction and balance of (NH4)2S+CuSO4=
April 22, 2013 by judy

Chemistry
What is molecular mass of CuSO4(NH4)SO4.H2O
January 19, 2014 by Collins

chemistry
What is the molarity of a solution with a volume of 974 mL containing 17 g of CuSO4?
February 18, 2014 by Elizabeth

Chemistry
What precipitates form when CuSO4 and H3PO4 added together?
December 6, 2014 by Manali

chemistry
how many grams of CuSO4.5H2O is needed to prepare 0.01 M solution?
March 4, 2015 by Anonymous

Chemistry
If the temp of a quanity of gas changes from 100C to 200C will the volume of the gas double if the pressure remains constant? I know that the volume will increase but i am not sure if it will double or not?
November 9, 2009 by Amy

chemistry
Please help!... Lakes that have been acidified by acid rain (HNO3 and H2SO4) can be neutralized by a process called liming, in which limestone (CaCO3) is added to the acidified water. Write ionic and net ionic equations to show how limestone reacts with HNO3 and H2SO4 to ...
October 12, 2010 by Anonymous

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