ANSWER ACCO DINGLY. Explain brieriv in 2 sentences and in your OwN words the 1. 2. 3. To reduce volume of a solution ( Proper way of heating a solution in a micro test tube NH.CNS Used in the test for cobalt must be alcoholic Why
Q: Upon oznolysis (reductive-work up), predict the products of the following reagents:
A: A question based on alkene that is to be accomplished.
Q: Complete the table of neutral ionic compunds with formulas and names for each cation-anion pair. Ans...
A: Ionic compound Ionic compound composed of cation which is positively charged (+charge) and an anion...
Q: Draw a chemical structure of the following compounds and name the major product when each of the fol...
A: Given compounds are : i). 2-methyl-2-pentanol ii). 2-butanol Draw the structure of the following ...
Q: A monatomic ion has a charge of +2. The nucleus of the ion has a mass number of 62. The number of ne...
A:
Q: Answer is provided, I just need a solution. Express the concentration of 15% m/m aqueous nitric aci...
A:
Q: 11% O Mon File Edit View History Bookmarks Profiles Tab Window Help Chrome O S550 Mustan (6 unread) ...
A: Given, Gaseous ammonia react with oxygen gas to produce nitrogen monoxide and water vapor, the moles...
Q: 3. If 50.00 mL of 1.00 M HC,H,O, (K, = 1.8 x 105) is titrated with 1.00 M NaOH. What is the pH of th...
A:
Q: how does a basic anion interact with water? provide a net ionic equation for a basic anion
A: Answer: Basic anions are the conjugate base of weak acids. For example: CH3COO-, HCOO-, F- etc.
Q: If 2.40 moles of H₂ and 1.55 moles of O₂ react how many moles of H₂O can be produced in the reaction...
A:
Q: An ionic bond is formed by the combination of positive and negative ions. (b) An ionic bond between...
A: Note: As per our guidelines, we are supposed to answer only the first question (i.e. part (a) to (i)...
Q: Calculate the percent by mass of the solute in the following aqueous solution. 31.0 g of KCl in 147 ...
A: Given Mass of KCl = 31 gram Mass of water = 147 gram Percent by mass of solute = ?
Q: Haw do electric frells Madife biochemiel dteacton Ya tes ?
A: Electric field generally does not modify the biochemical reaction . Generally it fasts up the bioche...
Q: By using an illustration, show the general steps on the proper use of IR spectrophotometer
A: In the given problem we have to write the general steps which we follow during use of IR spectrophot...
Q: The reaction below reaches equilibrium in a closed reaction vessel. What is the effect of adding an ...
A: Given, 2NaHCO3 ⇌ Na2CO3(s) + CO2(g) + H2O(g)
Q: a. Calculate the quantity of moles of NH3 gas that form when 4.20 mol of N2H4 liquid completely reac...
A:
Q: IPO Directions: 1. Read the following substances commonly found in your homes, know its uses and its...
A:
Q: If 100.0 g of butane is combusted with the aid of 200.0 g Oxygen gas? C4H10 + 02 →CO2 + H2O , which ...
A: In order to determine the limiting reagent we have to see the amount of reactant present in lesser m...
Q: The gas phase decomposition of dinitrogen pentoxide at 335 K N205(g)2 NO2(g) + 2 02(g) is first orde...
A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical reacti...
Q: A. O3 ' H/ CHHZ CHg H2O2 В. HzOz
A:
Q: The vapor pressure of benzene is 100.0 mmHg at 26.1°C. Calculate the vapor pressure of a solution co...
A:
Q: [H30*] (M) [ОН] (М) pOH pH Acidic or Basic а. 0.0059 b. 12.00
A:
Q: ' (d) (1 mol) 1. MgBr 1. o-tol-MgBr - abbreviation 2. HаО 2. H,о Ortho-tolyl magnesium bromide follo...
A: The RMgX is a Grignard reagent where X is halogens i.e. Cl, Br I. Grignard reagent reacts with carbo...
Q: Brap-Br Br OH
A: The product of this reaction is bromoalkane. The reaction proceeds via inversion in stereochemistry....
Q: What is the difference between the excitation and emission spectrum?
A: The excitation spectrum look similar if not identical to the absorption spectrum obtained in UV/VIS ...
Q: Benzene and toluene form an ideal solutions. At 900 C, the vapor pressure of pure benzene is 1.326 a...
A:
Q: From the following formula, calculate the quantity of each ingredient required to make 3 lb (AV) of ...
A:
Q: Enter your answer in the provided box. Calculate the molarity of 6.48 g of LINO3 in 505 mL of soluti...
A: Molarity can be defined as number of moles of solute dissolved per litre of solution. It is a concen...
Q: Morphine has a very long half-life due to its active metabolite that undergoes what process?
A: Morphine has a very long half-life due to its active metabolite.
Q: 4. What one main factor was demonstrated in your experiment regarding solvent extraction?
A: One main factor demonstrated regarding solvent extraction is based on their relative solubilities in...
Q: provicde three alkyl halide and discuss its structure
A: Alkyl halide are those in which carbon is attached to halogen atom.
Q: Analysis of a mixture consisting of NaOH + NażCO3 + inert matter gives the following data: Sample po...
A: Mass of original sample = 10.00 g Volume of actual solution made with original sample = 250.0 mL Vol...
Q: 26. Calculate AG for the following reaction at 150 °C (attach your solution) C2H4(g) + 3 O2(g) 2 CO2...
A:
Q: What is the concentration of formate ion (CHO2-) in solution at equilibrium, if a 0.250M formic acid...
A: We knew that if HA --->H+ +A- Percentage of ionization = {[H+]/[HA]}×100
Q: A 3.750 g sample of the compound responsible for the odor of cloves (containing only C, H, and O is ...
A:
Q: The compound Cal, is an ionic compound. What are the ions of which it is composed? Cation formula An...
A:
Q: A fermenter was filled with 10L of 0.6 mol/L sodium sulfite solution containing 0.003M Cu2+ ion and ...
A: A numerical problem based on mole concept that is to be accomplished.
Q: Calculate %Na2CO3 in the sample.
A: Na2CO3 reacts with 2 mol of HCl to generate 2 mol of NaCl along with CO2 and H2O. So, 1 mol Na2CO3 :...
Q: Be sure to answer all parts.The density of an aqueous solution containing 10.0 percent ethanol (C,H;...
A: Given: The density of the solution = 0.974 g/mL Percentage mass by mass = 10% Standard data: The...
Q: Some NOCI(g), intially at 1.000 atm, is placed in an empty reaction vessel. At equilibrium, the tota...
A:
Q: Refer to the two formulas for xylose. Formula A: C55H1010O55 Formula B: CH22O What is...
A: We are given two formuals for xylose and we will determine whether the formula are molecular formula...
Q: Sodium metal requires a photon with a minimum energy of 4.41 x10-19 J to emit electrons. a. What is ...
A: Given that - Minimum energy of emitted electron from sodium metal = 4.41×10-19 J. Then, Frequenc...
Q: Question #1 Determine the requested quantities for the following questions. Report your answer t 3 d...
A: The given speciation diagram is:
Q: Assuming the Debye Huckel Limiting Law applies, At 25°C, estimate the mean activity coeficient, of 2...
A:
Q: Why is the boiling point of 2-bromobutane lower than that of 1-bromobutane. Your answer should go be...
A: Boiling point can be defined as the temperature required for conversion of solid substance into liqu...
Q: If the initial concentration of N,05 is 0.60 M, what is the concentration of N2O5] after 2.0 hours? ...
A: Given, Initial Concentration of N2O5, [A]0 = 0.60 M Rate constant, k = 6.2x10-4 s-1 Time, t = 2 h...
Q: 1. A 0.2700 g sample of impure Na,CO3 required 24.12 mL of 0.1684 M HCI and a back- titration with 2...
A: Solution -
Q: The compound NIF2 is an ionic compound. What are the ions of which it is composed? Cation formula An...
A:
Q: Enter your answer in the provided box. Calculate the molality of a solution containing 190.6 g of gl...
A: Molality is defined as no of moles of solute per kg of solvent molality=no of molesmass of solvent (...
Q: From your results, which component had the highest Rf value and which had the lowest? Based on your ...
A: The answer is as follows....
Q: Calculate the pH of each solution given the [OH ] = 55×10-? M following [H,O] or (OH ] values. Expre...
A: Given :- Concentration of [OH-] = 5.5 × 10-2 M We have to find out the pH of solution.
Step by step
Solved in 2 steps with 1 images
- It is known that acid content has a major effect on theflavor of vinegars, but most cheaper vinegars are diluted similarly to 5% acidity Wt./vol. % is equivalent to gsolute per 100mL solution (so 5% is equivalent to 5 g acid/100 mL solution). a.) First, calculate the approximate molar concentration of acetic acid in the 5% wt./vol vinegar. b.) Next, calculate the expected molarity of acetic acid in the solution upon dilution by a factor of 5. Thank you!A sodium thiosulfate solution can be standardized by using it to titrate the iodine liberated by the action of excess KI on a known weight of primary standard K2Cr2O7: Cr2O72- + 6I- + 14H+ → 2 Cr3+ + 3I2 + 7H2O I2 + 2S2O32- → 2I- + S4O62- Calculate the molar concentration of the sodium thiosulfate solution if 31.47 mL of this solution were required to titrate a sample prepared using 0.2177 g pure K2Cr2O7.For problem 5, the density of the sample is 0.9977 g/mL and the molar mass of calcium carbonate is 100.0 g/mol. 5. As described in Topic 2, the hardness of water is expressed in terms of amount of calcium carbonate according to the ppm expression. a. Calculate the mass of calcium carbonate present in a 50.00 mL sample of an aqueous calcium carbonate standard, assuming the standard is known to have a hardness of 75.0 ppm (hardness du to CaCO3). b.Calculate the number of moles of calcium ions present in this 50.00 mL sample of aqueous calcium carbonate standard. c. The 50.00 mL sample (at pH 10) was titrated with a 0.00500 M EDTA solution, i. Write the balance net ionic equation for the reaction of EDTA4- with a calcium ion. ii. Calculate the number of moles of EDTA4- needed to completely react with calcium ions in the sample. iii.What volume (in milliliters) of EDTA solution would be needed to reach the equivalence point? This problem was partly answered but I am wondering what…
- A stock salt solution is prepared by dissolving 5.69 g of table salt in water and diluting the mixture to 150 mL with water. A 15 mL of the stock salt solution is then taken and diluted to 150 mL with water. The concentration of second solution is ___ the strength of the stock salt solution.What is the molar mass of a solution if 2.00g of the solute is dissolved onto 9.00g of solvent? The Kf is 4.5° C and the temp drops from 70.00° C ( pure solvent) to 65 00° C (solution). You Must show all work and include unit and you Must get answer to correct sig figs.A 25.0 mL solution containing acidified Na2C2O4 requires 15.0 mL of 0.0500 M KMnO4 solution to reach endpoint. 5 C2O42- + 2 MnO4- + 16 H+ → 10 CO2 + 2 Mn2+ + 8 H2O Given the balanced chemical reaction above, what is the concentration (in molarity) of the Na2C2O4 solution? Answer: _____ M
- Calculate the mass percent of the ascorbic acid in the same show full solution Situation: The pounded Vitamin C tablet was half into two below are the calculated data in the experiment. Each of the half are transfered in a 250ml erlen meyer flask and added 75ml of deionized water for the vitamin C to dissolve. Then it was prepared for titration where the burette was filled with 0.09794M standardize NaOH solution then a total of with 3 drops 2% phenolphthalein indicator was added to each erlen meyer flask l, swrill it and begin the titration. below are the following data gathered: Vitamins used: Nature Made vitamin C 500mg tablet Trial 1 Mass: 0.3108g of Vitamin C tablet Initial volume: 1.6mL Final volume: 15.4mL Trial 2 Mass: 0.3349g Initial volume: 15.4 mL Final volume: 30.2 mLWhat is the concentration of ions in the soil solution after fertilizer application? Suppose that 122 pounds of K+ were applied per acre, then a gentle rain soaked the top 10 inches of soil to field capacity, which for the given soil was about 16% water by volume. If the K+ was applied as KCl, it is plausible that it all dissolved and distributed relatively uniformly with the infiltrating water. If so, then what was the K+ concentration in the soil solution in mol K+/L solution? Note that the volume can be computed like we do for an acre-furrow-slice (AFS), as area times depth. This is going to be a relatively small number, so please report your answer in mol K+/L solution to at least 5 decimal places.How would the following errors change the calculated value of the percent oxalic acid in the radiator cleaner, that is would the calculated value of the percentage be high, low, or unchanged? Give a brief explanation of your reasoning. a. The experimenter consistently overshot the endpoint (i.e. added too much NaOH solution), of the titrations used to standardize the sodium hydroxide solution. b. The KHP used to standardize the NaOH was not pure, but contained approximately 10% by mass of the inert ionic compound potassium chloride, KCl. 3) Oxalic acid exists in the solid state as the monohydrate, H2C2O4•H2O. What would you use to calculate the percent oxalic acid monohydrate in the cleaner?
- The thiourea in a 1.455 g sample of organic material was extracted into a dilute sulfuric acid solution and titrated with 37.31 mL of 0.009372 M Hg2+ via reaction: 4(NH2)2CS + Hg2+ →[(NH2)2CS]4 Hg2+ P.S. Answer only the last two letters of the following questions. (Only C and D) a. Is this an example of total analysis technique or concentration technique? Explain. b. Calculate the percent (NH2)2CS ( 76.12 g/mol) in the sample. c. What is classification of the analysis based on the amount of sample and amount of analytes present? Explain. d. If the true value is 10.00%, calculate the absolute and relative error.Hello, Suppose the oxalic acid sample used to standardize your NaOH solution was contaminated with NaCl. Would your calculated value for the NaOH normality be too high, low or unaffected? Expain. Thank you in-advance, :-)An alum is a double salt consisting of a monovalent cation, a trivalent cation, and two sulfate ions with 12 waters of hydration (waters of crystallization) as part of the crystalline structure. Are the 12 waters of hydration used to calculate the theoretical yield of the alum?