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

41,763 results

Chemistry
What would the coefficient be for the produced salt in a balanced chemical equation of this acid and base? HNO3 + Ca(OH)2 -->Ca(NO3)2 + H2O What would the coefficient be for the produced salt in a balanced chemical equation of this acid and base? H2SO4 + KOH -->K2SO4 + H2O

chemistry
In terms of chemical bonds and electrons, what kinds of changes occur between atoms when substances undego chemical reactions?

Chemistry ....Please help
If 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured together, what is the maximum mass of bismuth sulphide, an insoluble compound, that could precipitate? What reactant was the limiting reactant? Na2S + Bi...

chemistry
2Na3PO4(aq)+3 Ba(NO3)2(aq)---->Ba3(PO4)2(s)+6NaNO3(aq) a solution containing 3.50g of Na3PO4 is mixed with a solution containing 6.40g of Ba(NO3)2 how many grams of product can be formed? and if the above reaction resulted in 3.659 g of white powder, what is the percent ...

Chemistry
a 2.16g sample of Pb(NO3)2 is heated in an evacuated cylinder with a volume of 1.18L. the salt decomposes when heated: 2Pb(NO3)2 (s)_> 2PbO (s) +4NO2 (g) +O2 (g) Assuming complete decomposition, what is the pressure in the cylinder after decomposition and cooling to a final...

college chemistry
4{C3H5(NO3)2}(l)--->6N2(g)+O2(g)+12CO2(g)+10H2O(g) If a dynamite of 100mL needs 3.5atm to explode, what minimum mass of C3H5(NO3)2 do I need to put in at 25 degree celcius? I tried to do this by finding the number of moles by the formula PV=nRT and then convert that into ...

physics
two electric charges +10 microC and -20microC are located .35 m apart how much work is required to double the distance between them?

physics
two electric charges +10 microC and -20microC are located .35 m apart how much work is required to double the distance between them?

Chemistry
Ca(OCl)2 + 2NaCl + 2H2SO4 <=> 2Cl2 + CaSO4 + NaSO4 + 2H2O [We have to prepare 12 ml of 0.050 M Cl2 (Chlorine water) ] [We are given "solid Ca(OCl)2" , "0.20 M NaCl" and "0.50 M H2SO4" and "D-I water"] What is the required quantity of Ca(OCl)2, NaCl and H2SO4 and volume ...

chemistry
In quality control of raw materials for pharmaceutical production often used foul reactions to prove that raw materials in salt form containing the appropriate salt. Hydrochloride (eg. Amitriptyline hydrochloride) can be detected for example by precipitating the chloride ions ...

Biology III
I'm having wayyy tooo much trouble with this simple assignment. Is there a lab that proves that the light reactions must occur prior to the dark reactions in photosynthesis? So far, I thought of the experiment in which one plant is placed in direct sunlight and the other is ...

genetics
5. A female of the genotype a b c / + + + (i.e. heterozygous for three genes on the same chromosome) produces 100 meiotic tetrads (100 cells undergoing meiosis, where recombination can occur). Of these 100 tetrads, 68 show no crossover events. Of the remaining 32, 20 show a ...

Chem please help
Which of the following correctly describes the net energy change during a reaction? A. The net change in energy is negative for endothermic reactions where energy is required. B. The net change in energy is positive for endothermic reactions where energy is required. C. The ...

chemistry
A 40 mL sample of 0.25 M NaCHOO is titrated with 0.2 M HCl. What is the pH of the solution after 140 mL of HCl has been added?

Chemistry
How would you make 500 mL (0.500L) of a 0.200 M HCl solution from stock concentrate of 12 M HCl?

Chemistry
How would you make 500 mL (0.500L) of a 0.200 M HCl solution from stock concentrate of 12 M HCl?

Chemistry
How would you make 500 mL (0.500L) of a 0.200 M HCl solution from stock concentrate of 12 M HCl?

Biochemisty
If I take 5mL of a TRIS/HCL buffer with a pH of 7.4 and add 1mL of 1M HCL, how do I determine the new pH?

Chemistry
Potency of HCl(l) is 35% (w/w) and density 1.19 g/cm3. Calculate the molarity of the Acid? [Molecular Weight of HCl is 36.5].

Science: Chem
How many milliliters of 0.10 M HCl must be added to 52.0 mL of 0.40 M HCl to give a final solution that has a molarity of 0.25 M?

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

chemistry
What is the molarity of a solution that contains 31.0 HCl in 5.00kg water? (molar mass of HCl=36.46 g/mol)

Chemistry
How many grams of a 12.5% (w/w) aqueous solution of HCl do you have to measure out if yo need 32g Of HCl?

chemistry
How would a chemist make up 100g of 10% aqueous solution of HCl (using 12M HCl)

Chemistry
How many milliliters of 1.5 M HCl must be transferred from a reagent bottle to provide 25g HCl for a reaction?

Chemistry
What volume of concentrated hydrochloric acid (12.0 M HCl) is required to make 2.0 liters of a 3.0 M HCl solution?

chemistry
A bottle of HCL is 14.0M and has a density of 1.08 grams/mL. What is the molality of the HCL?

Chemistry
How will you prepare 10mL of .050 M HCl from a .10 M solution of HCl?

Chemistry
Which bond is polar covalent? a) H2 b) Cl2 c) HCl d) O2 is it HCL ?

Chemistry
How many moles of HCl are present in a 50mL 3M solution of HCl?

Chemistry
How many moles of HCl are present in a 50mL 3M solution of HCl?

science
50 mL 3.0 M HCl(aq) that means hw much HCl i have to add

chemistry
How would you prepare a standard solution of 1m HCL(5.6 of HCL is 1.18)?

Chemistry
what is the concentration of hcl when 55 ml of this hcl solution neutralize 15ml of .9m ca(oh)2

Science
5.00 ml of 1.90M HCl is diluted to 0.400l. calculate the pH of the HCl?

Chemisttry
How would you make 0.1 N HCL using 12M HCL?

Chemistry
How many milliliters of 11.5 M HCl(aq) are needed to prepare 310.0 mL of 1.00 M HCl(aq)?

Chemistry
What volume of 12.1 HCL (aq) is needed to prepare 250.0 mL of 1.00 M HCL (aq).

science
50 ml of ZnSO4 solution was transferred to a mercury cathode and enough solid potassium nitrate is added to make the solution 0.1 M in KNO3. The electrolysis of Zn2+ is carried to completion of -1.3 V vs. SCE with the passage of 241 C of electricity. calculate the initial ...

science
50 ml of ZnSO4 solution was transferred to a mercury cathode and enough solid potassium nitrate is added to make the solution 0.1 M in KNO3. The electrolysis of Zn2+ is carried to completion of -1.3 V vs. SCE with the passage of 241 C of electricity. calculate the initial ...

Chemistry
If 1.22 grams of magnesium reacts with 100 ml of 6.02 M HCl solution. How much heat is evolved? Density of the HCl solution is 1.10 g/ml. Assume the specific heat of water 4.184 J/gC is the specific heat of the solution. Mg  +  2 HCl   à  MgCl2  +  H2  

Chemistry
What is the freezing point (°C) of a solution prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water? The molal freezing point depression constant for water is 1.86°C/m. (Note that when Ca(NO3)2 dissolves in water Ca2+ and NO32- ions are produced).

Fundamental Chemistry
Given the balanced reaction below; write out the balanced ionic equation and the balanced net ionic equation. Include phase labels and charges where appropriate. Cu(s) + Zn(NO3)2 (aq) → Cu(NO3)2 (aq) + Zn(s)

Chemistry
Suppose we have a solution of lead nitrate, Pb(NO3). A solution of NaCl(aq) is added slowly until no further precipitation occurs. The precipitate is collected by filtration, dried and weighed. A total of 10.27g of PbCl2(s) is obtained from 200.0mL of the original solution. ...

Ap Chemistry
Sulfuric acid is prepared commercially from elemental sulfur using the contact process. In a typical sequence of reactions, the sulfur is first burned: S + O2 yields SO2, then it is converted to SO3 using a catalyst: 2SO3 + O2 yields 2SO3. The resulting SO3 is reacted with ...

Chemistry
In the formation of acid rain, sulfur dioxide reacts with oxygen and water in the air to form sulfuric acid. Write the balanced chemical equation for the reaction. 2 SO2 + 1 O2 + 2 H2O --> 2 H2SO4 If 5.45 g SO2 react with excess oxygen and water, how many grams of H2SO4 are...

Dr.Bob222
this is all my work so far on the limiting reagent problem I asked about yesterday about Calcium nitrate and ammonium fluoride.... 28.42g/164.1= .17318 mol Ca(NO3)2 29.6g/37.042=.79909 mol (NH4)F (1mol Ca(NO3)2 /.17318) x (2mol (NH4)F/x)=.34636 (2 mol (NH4)F/.79909)x(1 mol Ca(...

chemisrty
what is the strongest acid here? H2SO3 H2SO4 H2SeO3 H2SeO4 For oxyacids, the acidity increases with increasing number of oxygen atoms; therefore, H2SO3 and H2SeO3 will be weaker than either H2SO4 or H2SeO4. We have a problem determining which is the stronger of H2SO4 or H2SeO4...

English
Double Negative You must not speak to (anyone, no one) about our surprise party plans. the double negetive is no one

Chemistry
Hi, I posted yesterday with this lab question. "Calculate the molar amounts of NaOH used in the reaction with the HCl solution and with the HC2H3O2. I think I got the answer to that with the help that I received. I had 5 mL of HCl, and I was using .100 M NaOH, so I got 5x10-4 ...

chemistry
a. Cl2 + 2NaI → 2NaCl + I2 This is a single replacement reaction. b. 2K + 2HCl → 2KCl + H2 This is a single replacement reaction. c. N2 + 3H2 → 2NH3 This is a synthesis reaction. d. 2KClO3 → 2KCl + 3O2 This is a decompisition reaction

Chemistry
Suppose that 50.0 mL of a 0.250 M HCl solution is mixed with 50.0 mL of a 0.100 M Ba(OH)2 solution in a coffee-cup calorimeter. The temperature of the resulting solution increases by 1.76 oC . Calculate DH for the reaction between HCl (aq) and Ba(OH)2 (aq) in kJ per mole of Ba...

chemistry
how many mL of 5% BaCl2 X(multiplied) 2H2O are needed for 0.3500g pure sodium sulfate?

chemistry
From what acid and what base are the following salts made: KBr, NH4NO3, and BaCl2?

chemistry
if the molar mass of BaCl2 is 208.3 g/mol, how many grams are present in 0.25 moles?

chemistry
for this question How many liters of H2 gas at STP are produced when Zn reacts with 125 mL of 6.00 M HCl? my book answers it this way: 0.125 L x 6.00 mole HCl x 1 mole H2 x 22.4 L 1 L 2 mole HCl 1 mole = 8.40 L of H2 gas where did the 22.4L come from?

Chemistry
How many grams of calcium carbonate, CaCO3, do you need in an antacid tablet to neutralize 20 mL of stomach acid? (stomach acid is 0.1 M HCl. There are 3.65g of HCl in 1L of stomach acid or 1g of HCl in 274g of stomach acid).

Chemistry(steps check)
I figured out the NO3- which is 0.13, I'm stuck on the Cl- I have 0.24*2-0.0416= 0.4384 but I'm being told that's wrong What mass of silver chloride can be prepared by the reaction of 160.0 mL of 0.26 M silver nitrate with 150.0 mL of 0.24 M calcium chloride? Cl ‾ NO3&#...

Chemistry
In the process of separating pb2+ ions from cu+2 ions as sparingly soluble iodates, what is Pb2+ concentration when Cu+2 begins to precipitate as sodium iodate is added to a solution that is initially 0.0010M Pb(NO3)2 (aq) and 0.0010M Cu(NO3)2 (aq)? I know the answer is 1.8*10...

chemistry
How many milliliters of 3.6 M HCl must be transfered from a reagent bottle to provide 20 g HCl for a reaction? Answer in units of mL

math,chemistry
How much water should be added to 1 liter of 0.12N HCl to prepare exactly 0.1N HCl?

Chemistry
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely?

Chemistry
By titration it is found that 68.9 mL of 0.122 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.

chemistry
How much water would you add to 12 M HCl to make 650 mL of 1.5 M HCl? Hint: This is a dilution problem

chemistry
A 25 mL solution of .5M NaOH is titrated until neutralization into a 50mL sample of HCl. What was the concentration of HCl?

chemistry
How many milliliters of 1.4 M HCl must be transfered from a reagent bottle to provide 23 g HCl for a reaction? Answer in units of mL

Chem
How many milliliters of 1.5 M HCl must be transfered from a reagent bottle to provide 25 g HCl for a reaction? Answer in units of mL.

Chemistry
How many milliliters of 5.2 M HCl must be transfered from a reagent bottle to provide 22 g HCl for a reaction? Answer in units of mL

chemistry
Calculate the mass of HCl required to prepare 2.5 liters of a 0.08 molar solution of HCl. H 1.01 Hydrogen 17 Cl 35.45 Chlorine

chemistry
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely?

chemistry
if 50.0 mLs of HCl of unknown concentration is titrated to neutrality with 90.0 mL of .650 M NaOH. calculate the molarity of the HCl

chemistry
if 50.0 mLs of HCl of unknown concentration is titrated to neutrality with 90.0 mL of .650 M NaOH. calculate the molarity of the HCl

chemistry
indicate the concentration of each ion presentin the solution formed by mixing 20mL of .1M HCL and 10mL of .22 M HCL

chem
How many liters of 1.00 M HCl must be added to 50.0 ml of 0.500 M HCl to give a solution whose concentration is 0.750 M?

chemistry
By titration it is found that 66.1 mL of 0.125 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.

science
How many milliliters of 4.6 M HCl must be transfered from a reagent bottle to provide 16 g HCl for a reaction? Answer in units of mL

chemistry
How many milliliters of 5.5 M HCl must be transfered from a reagent bottle to provide 23 g HCl for a reaction? Answer in units of mL

chemistry
How many milliliters of 5.5 M HCl must be transfered from a reagent bottle to provide 23 g HCl for a reaction? Answer in units of mL

Chemistry
By titration it is found that 69.9 mL of 0.151 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.

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?

science
a bottel contains 500 ml of 2.4 M HCL. How much water should be added to dilute it to 1.6 M HCL. Solution

CHEMISTRY
Calculate the volume in liters required to prepare a 5.00M solution of HCL using 15.4gof HCL.

chemistry
By titration it is found that 20.5 mL of 0.168 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution

chemistry
By titration it is found that 20.5 mL of 0.168 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution

Chemistry
If you have 0.150 M HCl solution available, calculate the volume of HCl(aq) necessary for this reaction. _______ml

Chemistry
What is molarity of an HCl sloution if 45.0mL of 0.250 mol/L KOH are needed to neutalize 12.3mL of HCl?

chemistry
Mg+2Hcl---mgcl2+h2 volume of h2=40ml Hcl is 6M what mass os h is obtained by addin excess hcl to 6m of magnesium

Chemisty
By titration it is found that 12.1 mL of 0.130 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.

chemistry........help!! =)
MaVa = MbVb can be used for the reaction between HCl and NaOH. Can it be used for the reaction between NaOH and H2C2O4 (oxalic acid, which can be found in rhubarb leaves, contains 2 acidic protons)? Explain your answer showing the balanced equation

Organic Chemistry Lab
How does the allylic halide behave under SN2 and SN1 conditions? Briefly explain why the allylic halide should be able to undergo both SN2 and SN1 mechanisms. If this is any relevant to the question, we did an experiment on the SN1/SN2 reactivity of alkyl halides, using NaI in...

Chemistry!
10.2 g of Pb(NO3)2 are dissolved in 100 mL of water, and added to 250.0 mL of a 0.250 M solution of KI. Determine the mass in grams of Pbl2 produced, and find the number of moles of the excess reagent. PLZ explain chemistry - DrBob222, Monday, December 13, 2010 at 4:30pm...

chemistry
Enthalpy and Entropy in Reactions and Solutions Introduction In the course of most physical processes and chemical reactions there is a change in energy. In chemistry what is normally measured is H (enthalpy change), the change in heat at constant pressure and ignoring any ...

Double facts - 2nd Grade
Choose all the double facts you can use to find the sum of 2+3? 1. 2+2 2. 5+5 3. 3+3 4. 1+1

Chemistry
(NH4)2S+CuSO4=

chemistry
What is the concentration of NaOH? using this solution (0.04756 M (i think its stand for Molarity) H2SO4) what is the concentration of NaOH in 10.00 ml of a solution, titrate to an end point using 24.22 ml of acid? formula that was given is (H2SO4 + 2NaOH --> Na2SO4 (aq) + ...

Chemistry - Density
Automobile batteries contain sulfuric acid. Calculate the number of grams of sulfuric acid in 0.500L of battery acid if the solution has a density of 1.28g/mL and is 38% H2SO4 (small numbers) by mass? Can you please answer this for me? density = 1.28 g/mL mass of 1 L is 1.28 g...

chemistry
A 27.00mL sample of an H2SO4 solution of unknown concentration is titrated with a 0.1422M KOH solution. A volume of 40.22mL of KOH was required to reach the equivalence point. What is the concentration of the unknown H2SO4 solution? Any help would be greatly appreciated. (:

mastering chemistry
A solution of volume 80.0 mL contains 16.0 mmol HCHO2 and 9.00 mmol NaCHO2. If 1.00 ml of 12 M HCl is added to this, what will be the resulting pH? (the only problem im having for this question is how to approach it, i know that by adding HCl the concentration of the CB would ...

Chemistry - urgent
The following is part of a procedure for a limit test for sulphates in an NaOH sample:- Dissolve 3.0g of NaOH in 6ml of deionized water, adjust to pH 7 with HCl (approx.7.5ml) and dilute to 15ml with deionized water. Please explain how to perform this procedure. Conc HCl or 1M...

English, grammar
I need some help with this question for one of my units in world englishes please help!? Q. Argue for or against the status of 'double negation' as a 'mistake' on spoken English. I am arguing for so I agree with this status. I believe double negation in spoken English can ...

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