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October 26, 2014

Search: zn+2hcl=zncl2+h2

Number of results: 402

Chemistry
Equal volumes of 0.240 M AgNO3 and 0.140 M ZnCl2 solution are mixed. Calculate the quilibrium concentrations of Ag+, and Zn2+.
April 8, 2011 by jina

Chemistry
In the classroom, we reacted Mg(s) + 2HCl -> MgCl2(aq) + H2 (g) (0.31 g of Mg(s), and 99.46 g of HCl) Initial temp. = 22.5 celsius, max. temp. 36.0 celsius and MgO(s) + 2HCl -> MgCl2(aq) + H2(g) (1.00 g of MgO(s) and 97.71 g of HCl) Initial temp. 22.0 celsius, max. temp...
March 27, 2011 by Kara

chemistry
How many moles of H2 are in a beaker of 60ml of 2HCL?
November 21, 2010 by Anonymous

chemistry
difference between 2hcl and hcl
July 29, 2012 by Anonymous

chemistry
how can i Specify what ions are present in solution upon dissolving each of the following substances in water: ZnCl2, HNO3, (NH4)2SO4,Ca(OH)2
October 4, 2009 by nina

General Chemistry
A 0.1358g zinc metal reacts completely with Dil HCL to produce 52.20ml of H2(g) at 22.0 degrees Celsius. The hydrogen gas is collected over water at 22.0 degree Celsius and a barometric pressure of 755 mm Hg. The water vapor pressure at 22.0 degrees Celsius is 19.8 mm Hg and ...
September 5, 2011 by Kathy

Physical Science
5. What reactions occurs when a solution of hydrochloric acid, HCl, is mixed with a solution of calcium hydroxide, Ca(OH)2? (A) Cl + Ca(OH) --> HCa + Cl(OH)2 (B) HCl + Ca(OH)2 --> H(OH)2 + CaCl (C) 2HCl + Ca(OH)2 --> 2H2O + CaCl2 (D) 2HCl + Ca(OH)2 --> H2Ca + 2ClOH...
October 16, 2013 by CJ

chemistry
What is the molarity of ZnCl2 that forms when 19.0 g of zinc completely reacts with CuCl2 according to the following reaction? (Assume a final volume of 195 .)
February 27, 2012 by jiy

chemistry
The equation Mg(s) 2HCl(aq)---MgCl2 (aq) H2(g) is an example of which type of reaction?
July 29, 2008 by natasha

CHEMISTRY HELP !!!!
NH4CL , ZNCL2 , KAL(SO4)2 FIND THE FOLLOWING NET IONIC EQUATION FOR HYDROLYSIS EXPRESSION FOR EQUILIBRIUM CONSTANT (KA OR KB) VALUE THANK YOU SO MUCH!!!
April 10, 2014 by TANYA

Chemistry
Zn + HCl --> ZnCl2 + H2 If 18 grams of Zn are used in the following reaction, how many grams of H2 will be produced?
April 15, 2011 by Barbara

Chemistry
COMPLETION AND BALANCING OF EQUATIONS Complete and balance the following equations: 1. ZnCl2 + AgNO3
March 7, 2007 by Muhammad Ahsan KHan

Chemistry
COMPLETION AND BALANCING OF EQUATIONS Complete and balance the following equations: 1. ZnCl2 + AgNO3
March 7, 2007 by Muhammad Ahsan KHan

chemistry
I need help Calculating the mass of HCL neede to react with 20.0 grams Zn. Zn+HCL -> ZnCl2+H2
February 9, 2009 by Natalie

physical science
what are the uses of CaCo3+2HCl=CaCl2+CO2+H2O?
February 18, 2008 by Amanda Emler

chemistry
Mg(OH)2 + 2HCl = MgCl2 + 2H2O if 33.5g of Mg(OH)2 react, what mass of H2O could be produced
March 20, 2012 by kae

science
Calculate the molarity of a solution that contains 0.175 mol ZnCl2 in exactly 136 mL of solution.
May 2, 2012 by mollye

CHEMISTRY
HOW MANY MOLES OF HCL ARE REQUIRED TO PRODUCE 4.50 MOLES OF ZnCL2?
January 28, 2011 by VERONICA

chemistry help~Please!!!
What are the Ka and/or Kb value for 1M ZnCl2 Show work please!!!
April 11, 2014 by Eric

Chemistry
Order the following solids according to increasing lattice energy. HgI2, CdCl2, ZnCl2 Now I get how to sort of do it, but I do not get how to do it if I'm looking at its radius if they do not provide it in the question.
February 21, 2010 by Josh

Chemistry
Question 9 Marks: 2 In the reaction: Zn + 2 HCl ZnCl2 + H2 An excess of Zn is reacted with 300.0 g of HCl. How many grams of H2 will be produced?
March 18, 2013 by Lindt

chem
write the ionic equation and the net ionic equations. 1.AgNO3 and K2S 2.ZnCl2 and Na2SO4 3.CuCl2 and Li3PO4
April 11, 2011 by yesi

Chem
Find pH. A) 0.10M Zn(OH)4^-2 F) Zn(OH)2 in 0.010M ZnCl2 Q) 0.010 M Zn(NH3)4^+2 hint: fined [NH3] then kb for OH^- Im having trouble with these can someone help me.
March 25, 2012 by Alison

Chemistry
Identify the species oxidized and the species reduced in each of these redox equations A. 3Br2 + 2Ga -> 2GaBr3 B. HCL + Zn -> ZnCl2 + H2 C. Mg + N2 -> Mg3N2
April 6, 2010 by Anonymous

10th grade
what chemicals are being added together in the chemical equation of 2HCL + Ca -> CaCl2 + H2
March 11, 2010 by maddi

chemistry
What is Delta H rxn for the following chemical reaction? H2O(l) + CCl4(l)-> COCl2(g) + 2HCl(g)
September 4, 2011 by Rachel

chemistry
from Balanced CaCO3+2HCL-CaCL2+H2O+CO2 and 7.2*10^-3 L Calculate moles titrated
February 9, 2012 by Everett

chemistry
in the equation mg+2hcl-->mgcl2+h2, what mass of the hcl is consumed by the reaction of 2.50 mol of magnesium
February 23, 2012 by Esla

Chemistry
Which one of the following combinations of reagents will result in a spontaneous reaction? A) Al(s) + CuCl2(aq) B) Al(s) + CaCl2(aq) C) Zn(s) + CaCl2(aq) D) Cu(s) + ZnCl2(aq) I know the answer is A, but what I don't know is why, or how to figure this out. Thanks!
April 6, 2010 by Trixie

chemistry please help!!!!!!!!!!!!!!!!!!!!!!
How many molecules of hydrogen are produced if 13.05 g of Zn reacts with excess hydrochloric acid equation Zn plus HCL equals ZnCl2 plus H2?
May 31, 2010 by lulu

chemistry please help!
How many molecules of hydrogen are produced if 13.05 g of Zn reacts with excess hydrochloric acid equation Zn plus HCL equals ZnCl2 plus H2?
June 1, 2010 by Anonymous

chemistry 1
if 20.2g of zn react with and equal amount of magnesium chloride to form magnesium and zinc chloride[zn+mgcl2> mg+zncl2] a.what is the limiting reactant? b. how much magnesium will be produced? Here is the way to solve most of these stoichiometry problems. Step 1. Write the...
May 11, 2007 by sam

Chemistry
Given: Mg + 2HCl --> H2 + MgCl2 0.250 g of magnesium reacts with 10.00 mL of 1.5 M HCl. What volume (in mL) of H2 gas is produced?
March 11, 2009 by Jake

chemistry.
What amount of H2(g) is produced when 12g of magnesium reacts completely with dilute HCl(aq) Mg(s) + 2HCl(aq)________MgCl2(aq) + H2(G)
September 28, 2009 by Ochaya

Chemistry
What is the minimum amount of 1.75 m of HCL necessary to produce 28.5 L of H2 at stp? EQUATION IS AS FOLLOWS: Mg+2HCL->>MgCl2+H2
November 17, 2010 by Ricardo

chemistry
Using the balanced equation, Mg + 2HCl= H2 + MgCl2, calculate the amount of MG need to react with 25 mL of 6 M HCl.
October 18, 2011 by Jamey

Chemistry
Mg +2HCL = MgCl2 +H2 what mass of hydrogen is obtained by adding excess hydrochloric acid to 6g of magnesium
September 25, 2012 by Connor

Chemistry
How many grams of dichloromethane result from reaction of 2.62 kg of methane if the yield is 43.5 %? CH4+2Cl -> CH2Cl2+2HCl
November 5, 2012 by Melia

Chemisty
Calculate the standard enthalpy change for the following reaction at 25 C. MgCl2(s)+H2O(l)-->MgO(s)+2HCl
April 1, 2013 by Orton

Chemistry
Calculate the standard enthalpy change for the following reaction at 25 C. MgCl2(s) + H2o(l) ---> MgO(s) + 2HCl(g)
June 19, 2013 by Matt

chemistry!!! /10th grade
How many molecules of hydrogen are produced if 13.05 g of Zn reacts with excess hydrochloric acid equation Zn plus HCL equals ZnCl2 plus H2?
May 31, 2010 by meme

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
Current is applied to a molten mixture of CuF, ZnCl2, and AlBr3. What is produced at the cathode? a)F2 b)Al c)Cu d)Zn e)Cl2 f)Br2 What is produced at the anode? Same options as above.
May 29, 2012 by George

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
consider the following reaction: Mg(s)+ 2HCl(aq) --> MgCl2 (aq)+H2 (g) What minimum amount of 1.75 M HCl is necessary to produce 27.5 L of H2 at STP?
April 26, 2010 by Zoe

CHEMISTRYYY
consider the following reaction: Mg(s)+ 2HCl(aq) --> MgCl2 (aq)+H2 (g) What minimum amount of 1.75 M HCl is necessary to produce 27.5 L of H2 at STP?
April 26, 2010 by Justin

Chemistry
Determine how many milliliters of 0.448 M HClO4 will be required to neutralize 38.30 g Ca(OH)2 according to the reaction: 2HCl+Ca(ClO4)2+2H20
December 15, 2010 by Anonymous

Chemistry
given the equation Mg +2HCL --> MgCL2+H2, how many moles of hydrochloric acid are needed to react with O.50 mol of magnesium ? (1)0.5 (2)1.0 (3)2.0 (4)4.0 is it 3 ?
January 2, 2011 by nina

Chemistry
Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) If 1.0g of Mg is reacted with 10.0mL of 6.0M HCl, what volume of hydrogen gas will be produced at 298K & 1atm?
April 15, 2011 by Christina

chemistry
How many grams of HCl must be used to produce 10.0L of chlorine gas at STP? Reaction: 2HCl (g)--->H2 (g)+Cl2 (g)
June 14, 2011 by Cliff

chemistry
What Volume of 0.575M HCl will neutralize 4.22g of Mg(OH)2? I got the BRE of 2HCl + 1Mg(OH)2 ---> 1MgCl2 + H2O, what do i do from there?
June 5, 2012 by Josh

chemistry
In the reaction Mg(s) + 2HCl(aq) d H(g) + MgCl(aq), how many moles of hydrogen gas will be produced from 250.0 milliliters of a 3.0 M HCl in an excess of Mg?
February 21, 2013 by Payton

chemistry
In the reaction Mg (s) + 2HCl (aq) H2 (g) + MgCl2 (aq), how many liters of hydrogen gas will be produced from 75.0 milliliters of a 3.0 M HCl in an excess of Mg at STP?
June 13, 2013 by mindy

college chemistry
How many gram of Zn would be necessary to produce 534 grams of Fe by the sequence of reactions shown below? Step 1 Zn + HCl ==> ZnCl2 + H2 Step 2 Fe2O3 + H2 ==> Fe + H2O
October 23, 2012 by ursula

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

Ap chem question 2 related to the first question
Calculate the volume of gas you would expect to be evolved in X mol of magnesium were reacted with an excess of HCl at standard conditions. I'm going to tell you what my father told me...LOOK IT UP thanks for the unnecessary comment! Mg + 2HCl ==> MgCl2 + H2 1 mol Mg will ...
October 22, 2006 by Justyna

chemistry
Element Symbol Atomic Mass --------------------------------------- Bromine Br 79.904 Calcium Ca 40.078 Carbon C 12.011 Chlorine Cl 35.4527 Cobalt Co 58.93320 Copper Cu 63.546 Flourine F 18.9984032 Hydrogen H 1.00794 Iodine I 126.904 Iron Fe 55.847 Lead Pb 207.2 Magnesium Mg 24...
April 15, 2008 by Chris

Chemistry
Please help me answer the question: What does it mean Write a net ionic equation for the reaction 2HCl + Ca(OH)2 -> CaCl2 + 2H20
November 18, 2009 by Brittany

Chemistry
If I begin with 2.5g of Mg and excess HCL. How many liters of H2 gas will I produce at 25C and 1 atm? 2HCL + Mg ----> MgCl2 + h2 ?? using pv=nRT
July 4, 2012 by Yvonne

Organic Chemistry
how many grams of ZnCl2 are needed to prepare 250 ml of an aqueous solution with an osmolarity equal to 0.300 osmol? I posted this question a few minutes ago, but forgot to add the last part of the sentence. Thanks!
March 6, 2012 by Jules

DR.BOB HELP CHEMISTRY!
How many milliliters of a 0.3 molar HCl solution are needed to react completely with 8 grams of zinc according to the following equation? ? HCl + ? Zn → ? ZnCl2 + ? H2 Answer in units of mL
October 4, 2011 by Rara

Chem
A mixture of chromium and zinc weighing .362 g was reacted with an excess of hydrochloric acid. After all the metals in the mixture reacted 225 mL of dry hydrogen gas was collected at 27 C and 750 torr. Determine the mass percent Zn in the metal sample. [Zinc reacts with ...
February 25, 2007 by Jim

chemistry
Calculate the volume of H2 produced at 300 K and 98.65 kPa when 48 g of Mg reacts with excess HCl according to the following equation: Mg(s) 2HCl(aq) MgCl(aq) H2(g)
May 19, 2010 by maria

chemistry
How many grams of ZnCl2 will be produced from 48 grams of zinc and 30 grams of HCL
March 26, 2013 by walter

chemistry
how many mililiters of a 0.27 M HCl solution are needed to react completely with 2.7 g of zinc to form zinc (II) chloride?" equation. 2 HCl + 1 Zn -----> 1 ZnCl2 + 1 H2
July 12, 2010 by Nicole

Chemistry
What is the molarity of CuCl2 solution that completely reacts with 10.0g of zinc , if the volume of the solution is 360mls? Zn(s) + CuCl2(aq) ZnCl2(aq) + Cu(s) A. 0.42 B. 0.00021 C. 0.21 D. none of these
March 5, 2011 by Tim

Easy Chemistry
What is the oxidation half-reaction for Mg(s) + ZnCl2(aq) MgCl2(aq) + Zn(s)? A. Zn(s) Zn2+ + 2e- B. Zn2+ + 2e- Zn(s) C. Mg(s) Mg2+ + 2e- D. Mg2+ + 2e- Mg(s)
October 20, 2014 by Morgan

Science
how many mililiters of a 0.4 molar HCl solution are needed to react completely with 13 grams of zinc according to the following equation? Equation. 2 HCl + 1 Zn -----> 1 ZnCl2 + 1 H2
July 13, 2010 by Nicole

Chemistry
how many mililiters of a 0.4 molar HCl solution are needed to react completely with 13 grams of zinc according to the following equation? Equation. 2 HCl + 1 Zn -----> 1 ZnCl2 + 1 H2
July 13, 2010 by Nicole

Chemistry
How many milliters of 1.80M HCl are required to react with 30.0 grams of calcium hydroxide according to the given equation: CA(OH)2(s) + 2HCl(aq)> CaCl2(aq) + 2H2O(l)
April 3, 2011 by Elaine

chemistry
How many grams of Na2CO3 are required to completely react with 35.6mL of a 0.315M HCl solution? Na2O3(s) + 2HCl(aq) --> 2NaCl(aq( + CO2(g) + H2O(I)
July 2, 2011 by ashley

chemistry
How many grams of Na2CO3 are required to completely react with 35.6mL of a 0.315M HCl solution? Na2O3(s) + 2HCl(aq) --> 2NaCl(aq( + CO2(g) + H2O(I)
July 2, 2011 by ashley

chemistry
i do not know how to put those in words, can some one help me, please. CoCL2(s) + 2HF(g)= CoF2(s)+ 2HCL(g) and P6( NO3)2(aq) + 2KL(aq) = PbL2(s) +2KNO3(aq)
October 21, 2011 by maria

chemistry
i do not know how to put those in words, can some one help me, please. CoCL2(s) + 2HF(g)= CoF2(s)+ 2HCL(g) and P6( NO3)2(aq) + 2KL(aq) = PbL2(s) +2KNO3(aq)
October 21, 2011 by maria

chemistry
Consider the reaction Mg +2HCl ------>MgCl2 + H2 What is the minimum amount of 1.85M HCl is necessary to produce 28.5L of H2 at STP Please help me work this problem
November 6, 2011 by swtnblk

chemistry
How many grams of Mg(OH)2 are needed to neutralize 55 ml of 0.25 M HCl . according to the following reaction. (show all calculations for credit) Mg(OH)2 (aq) + 2HCl(aq) --- MgCl2 (aq) + 2H2O(l)
March 20, 2013 by Cory

Chemistry 104
What mass (in grams) of calcium carbonate is needed to react completely with 73 mL of 0.10 M HCl according to 2HCl + CaCO3 --> CaCl2 + H20 + CO2?
November 11, 2010 by Brenna

chemistry
Balanced equation: 2HCL+CaCO2>CaCl2+CO2+H2O what volume of 6.00 M HCL is needed to completely react with .750 moles of CaCO3
March 28, 2011 by patti

chemistry
Balanced equation: 2HCL+CaCO2>CaCl2+CO2+H2O what volume of 6.00 M HCL is needed to completely react with .750 moles of CaCO3
March 28, 2011 by patti

Chemistry
5.2 grams of magnesium metal are place in 400.0 mL of 1.0 M hydrochloric acid. The balanced equation for the reaction is: Mg + 2HCl = MgCl2 + H2. How many moles of H2 gas were produced?
June 9, 2014 by Heidi

chemistry
How many mL of 0.416 M of HCl are needed to dissolve 8.68 g of BaCO3? 2HCl(aq)+BaCO3(s)=BaCl2(aq)+H2O(l)+CO2(g)
September 29, 2013 by christa

Chemistry
Calculate how many grams of the product(s) would be produced by complete reaction of 0.125 mole of the first reactant. CaCO3 + 2HCl --> CaCl2 + CO2 + H2O
April 22, 2012 by Lindsey

chemistry
the reaction is......CaCO3+2HCl---->CO2+H2O+CaCl2. what mass of HCl will be neutralized by 0.50g ofCaCO3? How do i figure this out in a non-complicated way??
July 16, 2013 by mimmi

chemistry
How many milliliters of 0.237 M HCl are needed to react with 52.2g of CaCO3? 2HCl(aq) + CaCO3(s) --> CaCl2(aq) + CO2(g) + H2O(l)
July 6, 2012 by Jason

chem
how many gramss of HCl to dassolve 2,5 g Fe in a lock and how much H_2 would be produced Fe(s)+2HCl(aq)-FeCl_2(aq)+H_2(g)
November 5, 2012 by mike

port charlotte high
2Nacl +2HCL = 2NaCl + H2 what mass of sodium is required to react with 8.45g of HCl
February 25, 2013 by john

Chemistry
If the hydrochloric acid is warm, is the following equation correct? 2HCl(aq) + Na2SO3 --> 2NaCl(aq) + SO2(g) + H2O(l) yes, correct.
May 20, 2007 by Fiona

Chemistry for Engineers
How many mL of .2475M Sr(OH)_2 solution are needed to neutralize 25 mL of 0.1542M HCL solution in the reaction 2HCl + Sr(OH)_2 -> SrCl_2 + 2H_2_O
October 11, 2011 by Austin

science
If 20g of Ca(0H)2 took part in the following reaction, how much CaCl2 would be formed. Ca(0H)2 + 2HCl to CaCl2 +2H20
January 2, 2012 by tracey

chemistry
H2(g)+Cl2(g)<--->2HCl(g)+184kj addition of Cl2
April 27, 2010 by nikaury

Chemistry
how many moles of hydrogen chloride would be needed to react completely with 15g of barium carbonate equation is given: BaCO3 + 2HCl to BaCl2 + H2O + CO2
March 21, 2010 by Johnny

Chemistry!
a)consider the following reaction: Mg(s)+ 2HCl(aq) --> MgCl2 (aq)+H2 (g) What minimum amount of 1.75 M HCl is necessary to produce 27.5 L of H2 at STP? b) What is the freezing point of an aqueous solution that boils at 102.1 C?
April 26, 2010 by Justin

chemistry
A 5 mL dose of Milk of Magnesia contains 400 mg of magnesium hydroxide. What mass in grams of HCl can it neutralize? Balanced equation= Mg(OH)sub2 + 2HCl---> MgClsub2(aq) + 2Hsub2O
February 14, 2011 by Janette

chemistry
what volume of 0.1 moldm-3 HCL acid would be required to dissolve 2.3 grams of calcium carbonate equation CaCO3+2HCL----------=CaCl2+CO2+H20 (WATER)
September 25, 2011 by aisha

chemistry
What happens to the concentration of HI(g) when the total pressure on the equilibrium reaction 2HCl(g) + I2(s) <--> 2HI(g) + Cl2(g) is increased (by compression)? 1. increases 2. Unable to determine 3. decreases 4. remains the same
March 28, 2012 by please help

Chemistry
Hello! I am having a little difficulty answering these two questions on my homework, I was wondering if anyone could please help me out! Thank you! 1) Consider the following balanced chemical equation for the neutralization reaction of calcium hydroxide with hydrochloric acid ...
November 30, 2013 by T.C.

Chemistry
Is this equation balanced? 2HCl(aq) + Ca(OH)2(aq) -------> 2H2O + CaCl2 yes. It helps in these to write water as HOH, in this you would have had 2 HOH
February 4, 2007 by Lisa

chem-Am I Right????
For 0.10 M ZnCl2 and 0.10 M KAl(SO4)2, find:? a) spectator ions (if any) b) ions expected to hydrolyze (if any) c) net ionic equation for hydrolysis d) expression for equilibrium constant (Ka or Kb) e) value of Ka or Kb My answers are: a) Cl- ; K+ ; SO4^2- b) Zn+ ; Al3+ please...
October 19, 2010 by Isabella

Chemistry
Zn+HCl---->ZnCl2+H2 If you measure the total volume of collected gas over water at 65*C to be 728 mL at a total pressure of 845 torr, how many milliliters of 2.6 HCl would be required to produce the correct amount of hydrogen?
May 5, 2014 by Brandie

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