Q: Pls give me the answer to this one so I can study
A:
Q: The age of wine can be determined by measuring the trace amount of radioactive tritium, 3H, present…
A: The half-life of a reaction is the time taken for the reactant to reduce to half its initial value…
Q: write the balnced chemical reaction vie fischer esterification
A: Introduction: Fischer esterification reaction is the synthesis of ester from the carboxylic acid…
Q: If the pKa of the indicator is approximately 6, to which of the following equivalence point will it…
A: A suitable indicator should have pH of color transition is given by the equation of pH.…
Q: Which of the following is NOT true about constant weighing in the experiment? Constant…
A: Answer - The Not true about constant weighing in the experiment - Option (1) Explanation -…
Q: 5. A student performs a acid-base titration reaction and finds that it takes 16.5 ml of a 2.50M…
A: Given that - Molarity of M(OH)2 , M1 = 2.50 M Volume of M(OH)2 ,V1 = 16.5 mL Molarity of H3X , M2…
Q: Explain about degradation of azo dyes in wastewater using micro-nano bubble treatment.
A:
Q: Consider the following equilibrium system: 302 (g) 5 20 3 (g) At a particular time, the rate of O…
A:
Q: Question 21 An unknown sample of Cu2* gave an absorbance of 0.262 in an atomic absorption analysis.…
A: Beer's law states that the absorbance is directly proportional to the concentration of the absorbing…
Q: Examine the following reaction. 3 CO 2 (g)+2 Fe(s) s Fe 203(s)+3 CO(g) What is the equilibrium…
A: Active mass of solid components is equal to one
Q: An unknown substance in a container is a single phase and the components were not separated using an…
A: Solution is a homogeneous mixture of two or more than two components, whose composition vary to the…
Q: A voltaic cell based on different concentrations of ions, such as seen in the diagram below with…
A:
Q: 500g of AbSa is dissolved in H20 to make 15L of solution. What is its normality? (MW: Al-27g/mol,…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: A lecture hall contains 12 rows of seats. If the professor releases laughing gas (N2O) from the…
A:
Q: Why one should swirl vigorously during the process of titration?
A: If you tirate a base into an acid with phenolphtaleine as an indicator, the indicator will go from…
Q: a radionuclide (which has no parent) has a half- life of 8.0 days, how much of the original…
A:
Q: How many gallons of octane, C8H18, having a density of 0.703 g/cm³, would have to be burned to…
A:
Q: Estimate the mass of KHP (KHC8H4O4) that will require 20mL of 0.10M to reach the equivalence point…
A:
Q: When [Hg2+] = 1.31 M, the observed cell potential at 298 K for an electrochemical cell with the…
A:
Q: Which of the following substances have a solvatochromic property? a.potassium hydrogen phthalate…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: he pKa of the indicator is approximately 6, to which of the following equivalence point will it be…
A:
Q: Titration curved Calculate the pH of the solution for every 0.1 ml of the titrant (from 0 mL to 30…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: In test tube B, with 5 grams of sugar. After stirring, heating and filtering. A small amount of…
A: Given: In test-tube B, with 5 grams of sugar. After stirring, heating and filtering. A small amount…
Q: Will ethanol react with Ferric Chloride? How about Butanol? Why so?
A: Answer - The ferric chloride test is used to test for the presence of aromatic compounds. Ethanol…
Q: At 1000°C, the reaction NO2(g) + SO2(g) NO(g) + SO3(g) has K. = 4.76. Suppose 0.215 mol of NO2 and…
A:
Q: Adding as little as 0.1 mL of concentrated HCl to a liter of H2O shifts the pH from 7.0 to 3.0.…
A: Given: Adding as little as 0.1 mL of concentrated HCl to a litre of H2O shifts the pH from 7.0 to…
Q: Give the pH of 0.005 M C6H5O- (aq) at 298 K of the Ka for C6H5OH at the given T is 1.0 x 10-10
A: Given data : 1.Concentration of C6H5O- = C = 0.005M 2. Ka = 1.0 × 10-10
Q: A solution contains 3.86g of magnesium chloride and 250g of water. Compute for the freezing point…
A: Freezing point of solvent is greater than freezing point of solutions
Q: The reaction N204(g) * 2NO2(3) has a K, = 0.140 at 25 °C. In a reaction vessel containing the gases…
A:
Q: properties compared to trans-but-2-ene. The melting points of these two compounds is influenced…
A: The melting point of substance is influenced by symmetry of molecules. A packed and system Geometry…
Q: How to use PV= nRT to determine the moles of gas in our bubble that is not water? It's not a graded…
A: A question based on ideal gas or real gas that is to be accomplished.
Q: The age of wine can be determined by measuring the trace amount of radioactive tritium, 3H, present…
A:
Q: 0.5000 g sample containing NaCl (58.44 g/mol), BaCl2 (208.23 g/mol), and 11.56% by mass of…
A:
Q: The reaction will produce which of the following results? A. Decolorization of a brown solution B.…
A: Here the oxidation of the alkene takes place in presence of the MnO4- solution. During this…
Q: Show your complete and detailed solution. What is the molecular diameter of N2(g) having a mean…
A:
Q: What is the chemical reaction for the combustion of PVC? Which, if any, are environmental…
A:
Q: What is the functional group in an aldehyde? a amine b hydroxyl c formyl d carboxyl
A: A functional group can be defined as an atom or group of atoms within a molecule that exhibit…
Q: At a certain temperature, the reaction 2HF(g) H2(g) + F2(g) has K 1.2 x 10 13. Does this reaction…
A: Reaction: 2HF(g) <=> H2(g) + F2(g) Kc = 1.2 × 10-13 Moles of HF = 0.013 mol Volume of…
Q: lodine-131 is used to treat Graves disease, a disease of the thyroid gland. The amount of 1 used…
A: As per our guidelines, we are supposed to answer only one question as multiple questions have been…
Q: Find out the first row transition metals (M) for the following compounds (all of them obey 18e rule)…
A:
Q: Particle size may be less important than the surface characteristics of the nanomaterial. (A) True…
A:
Q: Ses an isotope produced from atmospherc testing of maclear bombs. lf nucler testing was stopped in…
A: Given: Half-life of isotope = 28.5 years. The testing was stopped in 1960. And the analysis is being…
Q: 79. Identify the SYSTEMATIC name of the molecule shown in this item. A. 1-iodo-4-ethylaniline B.…
A: Write IUPAC name of the given structure---
Q: 73. Identify the SYSTEMATIC name of the molecule shown below. H. H-C-H H H C-H H. O A.…
A:
Q: What is the hybridization of atom A (blue, on the left) in this compound? Ä=Ä
A:
Q: A. Calculating Average Atomic Mass 1. Lead has four naturally occurring isotopes: Three isotopes of…
A:
Q: Provide the answer. Urgent
A:
Q: A 9.0 g sample of iron (specific heat= 0.44 J/g °C) heated to 60°C eventually cools to 30°C. What…
A: The mass of metal is = 9.0 g The decrease in the temperature of the metal is = (60-30)oC = 30oC The…
Q: c-OH H,C N-CH CH,-c -CH H,C-N: он CH, HO-Ç 0=
A:
Q: lodine-131 is used to treat Graves disease, a disease of the thyroid gland. The amount of 131 used…
A: As per statement, 86 microcuries required per gram of thyroid gland, so for 23g of thyroid gland =…
Step by step
Solved in 2 steps with 2 images
- Q-nirali The chemical reaction of Octane combustion is shown below: CgH18 + 20(O₂ + 3.76N₂) Find value of z?Why did you times the trmp by Avogadro's?2ClF+O2>>>Cl2O+F2O delta H=167.4kJ/mol 2ClF3+2O2>>>Cl2O+3F2O deltaH=341.4kJ/mol 2F2+O2>>>2F2O Delta H= -43.4kJ/mol Calculate delta H for the reaction ClF3>>>ClF+F2
- Calculate Delta Hof for PbO (s) using the data below. PbO (s) + CO (g) ® Pb (s) + CO2 (g) DH° = –131.4 kJ DHf°: CO2(g) = –393.5 kJ/mol; CO(g) = –110.5 kJ/mol –151.6 kJ/mol –283.0 kJ/mol +283.0 kJ/mol –372.6 kJ/mol +252.1 kJ/molCompound ΔHf (kj/mol) C2H5OH(i) -277.6 H2O(i) -285.8 H2O(g) -241.8 CO2(g) -393.5 CO(g) -110.5 H2O2(i) -187.6 C3H8(g) -103.8 What is the ΔH for the following reaction? C2H5OH(i) + 3O2 (g) --> 2CO2(g) + 3H2O(i)Hw.75. Please help the answer I have so far will not be accepted i'm not sure what is wrong
- Calculate ΔH°rxn using the following information: SO2I2(g) + 2 H2O(l) → 2 HI(g) + H2SO4(l) ΔH°rxn = ? ΔH°f (kJ/mol) SO2I2(g) -264 H2O(l) -286 HI(g) -12 H2SO4(l) -814Complete the equation, using appropiate notations and fromulas: 410Be=?+510BWhat is the expression for Ka2? Ka2=([H 3 O^ + ][HPO 4 ^ 2- ])/([H 2 PO 4 ^ - ]); Ka2=([H 3 O^ + ]+[HPO 4 ^ 2- ])/([H 2 PO 4 ^ - ]); Ka2=([H 2 PO 4 ^ - ])/([H 3 O^ + ][HPO 4 ^ 2- ]); Ka2=([H 3 O^ + ][HPO 4 ^ 2- ])/([H 2 PO 4 ^ - ][H 2 O])