Q: Consider the following endothermic reaction at 345.0 °C HBr (g) = > H2 (g) + Bi2 (g) Kp=4.18×10^-9 A...
A: Given endothermic reaction is : 2HBr (g) <---------> H2 (g) + Br2 (g) Pressure equilibrium c...
Q: 18. Consider the following reaction which has a has Ke = 0.054 at a certain temperature: PCISG) = PC...
A: Given, Value of concentration equilibrium constant = Kc = 0.054 Initial moles of PCl5 = 0.500 mole...
Q: bogut complete problems ing the colligative proper hes encircle of ancwer A. So lve your pand is dis...
A:
Q: Calculate for the theoretical and percent yield. Please show detailed calculations
A: To Calculate for the theoretical and percent yield.,
Q: Which of the following glycosidic linkage is found in maltose? * A. Glucose (a1-2B) Fructose B. Gl...
A: Glycosidic linkage is the linkage between two monosaccharide units through oxygen atoms with the los...
Q: Determine the major product for the following reaction. Meo-P MeO H.
A:
Q: When silver metal, Ag, is exposed to hydrogen sulfide gas, H2S, it tarnishes. Is the reaction of Ag ...
A: Oxidation means increase in oxidation no. whereas reduction means decrease in oxidation no. RA = re...
Q: ne product th.
A:
Q: Be sure to answer all parts. The reaction of peroxydisulfate ion (S20g²-) with iodide ion (I ) is S,...
A: We can use initial rate to calculate rate law.
Q: d) A(n) reaction is one where the products have lower energy than the reactants. is a device used to...
A: (d) --> An exothermic reaction is one where the products have lower energy than the reactants. (e...
Q: Draw the major intermediate and product of the reaction between (2E)-4-methylhex-2-ene and Br, in th...
A:
Q: burned in pure 02 and the combustion gases collected in absorbent tubes. The tube used to trap CO2 i...
A: Ans. The conservation of mass requires that all the carbon in the organic compound must be in the CO...
Q: Precipitates used in the gravimetric determination of uranium include NazU2O7 (MM = 634.0 g/mol), (U...
A: Calculate : which weighing forms having the greatest mass of precipitate from a given quantity of ur...
Q: Identify whether there will be an increase or a decrease in entropy for the system. Nitrogen gas rea...
A:
Q: *. In the temperature, concentration oc surfaco area were increased in the following scenario, hypot...
A: We know that according to le chatlier principle when we change anything at equilibrium in that case ...
Q: In a tabular format, enumerate 5 molecules where the following atoms are found in: O (sp3-hybridize...
A: sp3 = 4 sigma bonds + 0 pi bond sp2 = 3 sigma bonds + 1 pi bond
Q: Wavenumber (ν) is another way to describe light. Basically it tells us how many wavelengths are requ...
A: The relation between wavelength and frequency is given by, ν=cλν=frequency of radiationλ=wavelength ...
Q: expleain Humidification and dehumidification mass transfer operations with suitable example and indu...
A: Answer - Humidification mass transfer - The transfer of material between a pure liquid phase and a f...
Q: How many grams of lodine should be used in preparing 5000 mL of 1:20 solution?
A: 1:20 means 1 g of Iodine is dissolved in 20 ml. So we have, 20 ml dissolves 1 g Therefore, 1 ml dis...
Q: How many mL of resorcinol monoacetate should be used to prepare 1 pint of 15% (v/v) lotion?
A: Given, The volume of resorcinol monoacetate should be used to prepare 1 pint of 15% (v/v) lotion is...
Q: 15. The reaction N2O49) = 2NO29) is allowed to reach equilibrium in chloroform solution at 25.0°C. T...
A: Answer: Given decomposition reaction of N2O4 is shown below: N2O4(g)→2NO2(g) It means, 1 mole of N2O...
Q: Enter your answer in the provided box. A sheet of gold weighing 10.0 g and at a temperature of 16.4°...
A:
Q: One gallon of certain lotion contains 946 mL of benzyl benzoate. Calculate the percentage (v/v) of b...
A: Solution - According to the question - Given - One gallon = 3.8 liter 3.8 liter contains 946 mL of b...
Q: The average concentration of sodium ion and sulfate ion in sea water are 1.15ppm and 250ppm respecti...
A:
Q: 7. The separate samples of nitric and acetic acids are both titrated with a 0.100 M solution of ...
A:
Q: 2.08g of sodium hypochlorite is dissolved to make 140ml of solution. what is the pH?
A:
Q: Consider this overall reaction and its proposed mechanism. Write a valid rate law expression for the...
A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical reacti...
Q: needs to synthesize 2-pentanone from 1-butyne. help her by suggesting a synthetic scheme she has to ...
A:
Q: Br
A: -->Functional group is ketone.
Q: b1assign oxidation numbers to each of the atoms in the equation and determine if the reaction is red...
A:
Q: 1ΔΙΝΟ] A[02] _ 1A[NO2] rate = Δt Δt 2 At
A: We have given the rate equation. Negative sign represents the rate of disappearance of reactants and...
Q: Draw an enthalpy diagram to represent the following equation: Pb(s) + PbO2(s) + 2H2SO4(aq) → 2PbSO...
A: Pb(s) + PbO2(s) +2H2SO4(aq) --> 2PbSO4(s) + 2H2O(l) ∆H = -509 KJ
Q: The molarity of a barium hydroxide solution can be determined by titrating a known volume of the sol...
A:
Q: Esterase hydrolyzes ester bonds. For simplicity, only the amino acids whose side-chains interact wit...
A: Introduction : Hydrolysis can be defined as a double decomposition reaction with water as one of th...
Q: Q2 : At 25°C, K = 3.40 x 10-3 S m-1 for 0.00100 M NH4OH. Values of Lo are: NH4C1 = 0.01497, NaOH 0.0...
A:
Q: he equilibrium expression fo
A:
Q: 13. In order to form 10 moles of CaC2(s) how many moles of CaO are required according to the equatio...
A:
Q: w long (in
A:
Q: Practice assignment: Stoichionmetry On a separate sheet of paper, show the setup and answer for each...
A:
Q: An iron ore was analyzed by dissolving a 2.9912-g sample in concentrated HCl. The resulting solution...
A: The mass of the pure Fe2O3 is given as 159.69 g/mol The atomic mass of Iron is 55.847 g/mol The perc...
Q: 3. Predict which one is more stable (i.e., has the larger dissociation energy) and explain your answ...
A: A. F2+ b. NO+ c. CO d. Li2
Q: Consider the synthesis of urea: 2 NH₃(l) + CO₂(g) → CO(NH₂)₂(s) + H₂O(l). If 47.7 g of urea is forme...
A: Given: Actual yield of urea = 47.7 g Molar mass of urea = 60.06 g/mol
Q: CI A D F G H
A:
Q: 1) A sample of iron with a mass of 10.0 g changed its temp. from 50.4°C to 25.0°C with the release o...
A:
Q: how do I calculate the unknown concentration of X when the volume of X is 30 mL the volume of B is ...
A: In case of titration of monoprotic acid and monobasic base, the equation used is Number of moles of...
Q: Given the same reactant concentrations, the reaction Cog) + Cl,(g) → COCI,(g) at 241°C is 79.3 times...
A:
Q: What is the rate constant of a first-order reaction if the half-life is 6.62 min
A:
Step by step
Solved in 2 steps
- In the standardization of HCl using pure anhydrous sodium carbonate as the primarystandard for methyl orange as an indicator, 1.0 mL HCl was found to be equivalent to 0.05gof sodium carbonate (MW =106). The normality of HCl is:-NEUTRALIZATION REACTIONS Can you help me with this one? The given problem is in the image that I've attached 1. Based on the given problem, What is the molecular weight of potassium biphthalate (C8H5KO4)? 2.Based from the given problem, what is the mEq of potassium biphthalate? 3.Based from the given problem, what is the Normality of the sodium hydroxide solution? Would you please provide a separate solution to each question, thankyou! Here are the instructions on how will you write the answers: 1. All answers to be entered via short answer are in the NUMERICAL FORMAT and presented up to the 3rd decimal place. ADD TRAILING ZEROS if necessary, to complete your answer. NO NEED TO INCLUDE THE UNIT for now.For uniformity of answers, please be guided by the following examples:- If your answer is 5.627594, enter 5.628- If your answer is 3.129934, enter 3.130- If your answer is 8.38, enter 8.380- If your answer is 1.2, enter 1.200- If your answer is 25, enter 25.000- If your answer is…100.0 mL of 0.60 M aqueous Pb(NO3)2 is mixed with excess aqueous KI. What mass of precipitate is formed?
- Hydrogen H2{"version":"1.1","math":"<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi mathvariant="normal">H</mi><mn>2</mn></msub></math>"} is ___________________________ in water. Question options: insoluble soluble and a nonelectrolyte soluble and an electrolyteI need help calculating the solubility. thank you C. Calcium Fluoride, CaF2 (aka, Fluorite), in a solution containing 19 mg/L of LiF (aka, Griceite),with all of the LiF being dissolved into solution. Please assume that LiF dissolves such that [Li] =[F] = 7.33 x 10-4 m. After adding CaF2 to the solution and allowing it to dissolve, what are finalvalues of [Ca], [Li] and [F]?Note: you are given the concentrations of [Li] and [F] that result from dissolving LiF. Nosolubility calculation is required for dissolving LiF; just use the concentration given above.Steps:- First, write the stoichiometric equation for dissolution of CaF2 , with the solidon the left and the two ions in solution on the right, separated by a "two-way" arrow. Hint: whenCaF2 dissolves, you get 2 moles of F for every 1 mole of Ca.- Second, set up a law of mass action equation for dissolution of CaF2. There is a common ioneffect for F, so if [Ca] = x, then [F]= 2x + [FLiF], where [FLiF] is from dissolution of the…When 4.75 g of sodium hydroxide (NaOH) was dissolved in 50.00 g of water a value of 11.00oC was obtained for ΔT.Calculate the molarity of the sodium hydroxide solution.
- The solutbility constant for Ce(IO3)3 is 3.2x10^-10. What is the Ce3+ concentration in a solution prepared by mixing 50 mL of 0.0450 M Ce3+ with 50 mL of: A.) 0.0450 M IO3- ? B.) 0.0500 M IO3- ?MnSO4•H2O is soluble in water at 25°C, with a solubility of 70.0 g per 1000 g of solution. A saturated solution of MnSO4•H2O has a density of 1.02 g mL-1. When MnSO4•H2O dissolves in water, it absorbs roughly 3.05 kJ/mol of energy. MnSO4•H2O = 169.03 g/mol; H2O = 18.02 g/mol; MW: MnSO4•H2O = 169.03 g/mol. Which of the following is TRUE about a 0.32 M solution of MnSO4•H2O in water? a. A 0.32 M solution contains 70.0 g MnSO4•H2O b. A 0.32 M solution of MnSO4•H2O is unsaturated c. A 0.32 M solution of MnSO4•H2O is supersaturated d. A 0.32 M solution of MnSO4•H2O is saturatedMnSO4•H2O is soluble in water at 25°C, with a solubility of 70.0 g per 1000 g of solution. A saturated solution of MnSO4•H2O has a density of 1.02 g mL-1. When MnSO4•H2O dissolves in water, it absorbs roughly 3.05 kJ/mol of energy. MnSO4•H2O = 169.03 g/mol; H2O = 18.02 g/mol; MW: MnSO4•H2O = 169.03 g/mol. What is the mole fraction of MnSO4•H2O in its saturated solution?
- I need help calculating solubility for this question. thank you C. Calcium Fluoride, CaF2 (aka, Fluorite), in a solution containing 19 mg/L of LiF (aka, Griceite), with all of the LiF being dissolved into solution. Please assume that LiF dissolves such that [Li] = [F] = 7.33 x 10-4 m. After adding CaF2 to the solution and allowing it to dissolve, what are final values of [Ca], [Li] and [F]? Note: you are given the concentrations of [Li] and [F] that result from dissolving LiF. No solubility calculation is required for dissolving LiF; just use the concentration given above. Steps: - First, write the stoichiometric equation for dissolution of CaF2, with the solid on the left and the two ions in solution on the right, separated by a "two-way" arrow. Hint: when CaF2 dissolves, you get 2 moles of F for every 1 mole of Ca. - Second, set up a law of mass action equation for dissolution of CaF2. There is a common ion effect for F, so if [Ca] = x, then [F]= 2x + [FLiF], where [FLiF] is from…Compute for the molarity of nitrates, NO3-, in a mixture prepared by mixing 39 ml of 0.075 M potassium nitrate, KNO3 (MW = 101.10 g/mol), with 61 ml of 0.050 M sodium nitrate, NaNO3 (MW = 85.0 g/mol)?suppose you have a solution that might contain any or all of the following cations: Cu2+, Ag+, Ba2+, and Mn2+. The addition of HBr cuases a precipitate to from. After the precipitate is separated by filtration, H2SO4 is added to the supernatant liquid, and another precipitate forms. Thsi precipitate is separated bu filtration and a solution of NaOH is added to the supernatant liquid until it si strongly alkaline. No precipitate is fromed.Which ions are present in each of the precipitates? Which cations are not present in the original solution?