How many grams of Ag2CrO4 will precipitate if excess K2CrO4 (aq) is added to a 41.5 mL of 0.816M AgNO3 solution? Group of answer choices 7.85 g 5.62 g 2.81 g 11.24 5.56 g

Q: When AgCl(s) is dissolved in a solution of NH3, the complex ion Ag(NH3)2+ forms as shown in the…

A: we need to calculate Kf for Ag(NH3)2+

Q: 1. The polymer below resulted from 1,4-polymerization. Provide an unambiguous structural formula for…

A: ★ Answer : The polymer polyisoprene given below resulted from the 1,4 polymerization of…

Q: give full and condensed electron configurations, partial orbital diagrams showing valence electrons…

A: Atomic number of Ni is 28 and that of Po is 84. Atomic number represent number of protons as well as…

Q: A voltaic cell is constructed from a standard Cu2+ | Cu half cell (E° red = .337V) and a standard…

A: Given,  A voltaic cell is constructed from a standard Cu2+ | Cu half cell (E° red = 0.337V) and a…

Q: Identify the strongest acid O CH;OH O H,SO4 O HF О НCN O OH

A: given :-  chemical formula of compounds  CH3OH  H2SO4  HF  HCN  OH-  to identify :-  strongest acid

Q: Complete the following table, which lists information about the measured acid dissociation constants…

A: Acidic strength of acid is directly proportional to ka and inversely proportional to the pka value

Q: solution is prepared disolving 2.00g of an substance in 10.0mL in water at 25°C. The freezing point…

A: Given- Weight of substance =2.00 gram  Volume of water =10.0 mL  T1=25°C T2= -0.350°C  Kf of…

Q: The following voltaic cell has a cell potential of 1.24 V at 25 °C, and a standard cell potential of…

A: To Calculate Concentration of cadmium ion , we would first write a balanced redox reaction . Then we…

Q: Which of the following substances would likely have the highest boiling point? lodine (12) Fluorine…

A: Boiling point is the temperature at which vapour pressure is equal to the atmospheric pressure.

Q: You are excited to know from this class that everything in the world is composed of atoms.  In…

A: In addition, an atom looks like the solar system.  The _____ are the “planets” in an atom.?

Q: Predict the multiplicity and integral of the signal corresponding to the proton(s) indicated below.…

A:

Q: The pH scale is a measure of:   a. Relative concentration of a solution.   b. Relative acidity of…

A: pH is defined as negative logarithm of hydrogen ions dissolved in water.

Q: Select all the buffer solutions from the list shown below. a) 200 mL 0.25 M of NagPO4 and 200 mL of…

A: Buffer solution: A mixture of weak acid and the salt of same acid with a strong base.

Q: A sample of helium gas occupies a volume of 9.69 L at 49.0°C and 0.420 atm. If it is desired to…

A:

Q: Which of the following has eight valence electrons? Ti4+ Kr Cl- Na+

A:

Q: A solution is prepared at 25 °C that is initially 0.28M in propanoic acid (HC,H,Co,), a weak acid…

A:

Q: Calculate the concentration of H3O+ in a solution that contains 4.4 × 10–6 mol L–1 OH– at 25 °C.…

A: • The values provided in the question are:-  i) Hydroxide ion concentration of a solution, [OH-] =…

Q: 2. In free radical polymerization, the polymerization of CHCH-CHOCOCH,allyl acetate) is very slow…

A: The chemical species which have unpaired electron and can exist independently are known as the free…

Q: F;C Br HN CH

A: Number of signals in 1H NMR: Tells us how many sets of protons with different electronic environment…

Q: 10. Calculate the pH at the equivalence point for the following titration: 0.20 M HC1 versus 0.20 M…

A: Weak base (WB) and its salt with strong acid will acts as like basic buffer  Basic buffer pH can…

Q: What is the pH of a 1.25 M solution of HCIO? HCIO (aq) + H20 (1) = H3O* (aq) + CIO (aq) Ka =2.88 x…

A:

Q: The autodissociation of water at 25 °C has a K value of 1 x 10-14. What is the 4G° for the process…

A: standard gibbs free energy = -RTlnK THIS RELATION IS USED IN CALCULATION OF STANDARD GIBBS FREE…

Q: For the reaction 2 Cr(s) + 3 Pb²*(aq) - 3 Pb(s) + 2 Cr³*(aq), what is the value of n in the Nernst…

A: Oxidation is removal of electron and increase its oxidation state whereas in  reduction reaction…

Q: A sodium hydroxide (NaOH) is standardized using the monoprotic primary standard potassium hydrogen…

A:

Q: A Het ion corresponds to the principle quan- tum number n = 6. How many states are there? The last…

A: According to Aufbau principle, electrons are filled in lower energy states first.  Order of energy :…

Q: How much heat will be absorbed when 13.7 g of nitrogen reacts with excess O2 according to the…

A:

Q: Aluminum reacts with oxygen to form aluminum oxide. Al(s) + 02(g) + Al203(s) A 44.751 gram sample of…

A: Given, Al(s) + O2(g) ➝ Al2O3 Balancing the above equation, we get 4Al(s) + 3O2(g) ➝ 2Al2O3 Mass of…

Q: Activity 3. Magnetic Properties Instructions: Using the electronic Configuration, which of the…

A: Using the electronic configuration we have to predict magnetic properties.

Q: I need to write about the mechanism and how it happens in this lab please help me explain what…

A: In the above reaction hydroboration takes place where CHO group reduced to -CH2OH.

Q: Rank the following bond angles from least to greatest: OH A<B<C<D OD<C<B<A A<C<B<D OD<B<C<A

A: We know angle made by bond A is largest= 180° and D is smallest. Hence our answer should either be…

Q: A voltaic cell is constructed in which the anode is a Br-|Br2 half cell and the cathode is a F-|F2…

A: 1.) At anode oxidation takes place , so anode half reaction would be oxidation of Br-  to Br2 by…

Q: omplete the following equations: 1. Magnesium nitrate and potassium phosphate Formula Equation:…

A: As per our community guidelines we can only answer one question, out of the three questions you have…

Q: What is the daughter nuclide when Rn-222 experiences alpha decay ? Write your answer as a…

A: Alpha decay is the nuclear decay process whereby the parent nucleus emits an alpha particle…

Q: Give 5 uses of acetone. How is acetone prepared commercially? Show equations. Write the equation for…

A: It is one of the most commonly used solvent moiety in every laboratory. It has several applications.…

Q: C. How does the chelate effect affects the rate of a reaction? D. An _____ (inner, outer) sphere…

A: Chelating ligand are thermodynamically much more stable than the complexes with non-chelating…

Q: a) Draw a complete, detailed mechanism for the following reaction and label the rate- determining…

A:

Q: Which of the following structures are classified as ethers? 2 3 1 a) I, 2, 3 and 4 6) I and 2 ) 1,2…

A: There are various types of functional groups present in organic chemistry-  1- alcohol 2- ethers 3-…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, she fills…

A: Given that Temperature = T = 150.0 °C = 150.0 + 273.15 = 423.15 K   We know that ΔG = ΔH – TΔS…

Q: According to the product structure of the reaction below, what is the reactant’s structure?

A: This reaction actually known as epoxidation.  When alkene is treated with per acids like m-CPBA ,…

Q: Estimate AH for the reaction. H H + H-O-O-H H-O-ċ-c-0-H H nν ΑΣφ ΔΗ kJ Submit Request Answer

A:

Q: In a weak monoprotic acid-strong base titration, what are the main solution components found at the…

A: 15.) At equivalance point acid and base neutralize each other . As acid is weak so it's conjugate…

Q: Examine the following organic compound and write the name of this compound using IUPAC nomenclature…

A:

Q: At pH 1, superoxide ions are is largely present in water as? о НО2 O H202* O HO22- O 02 O H2O,2+…

A: The superoxide ions formula is O2-.

Q: A chemist dissolves 890. mg of pure barium hydroxide in enough water to make up 110. mL of solution.…

A: Mass of barium hydroxide = 890 mg  Volume of solution = 110 ml Temperature = 25 °C  pH of the…

Q: If the atom zy has 6 electrons in its second energy level determine the total number of electrons…

A: Number of electrons in second energy level = 6

Q: Choose which of the following has the leastSo.   metallic Pt methane molten brass (alloy of Cu and…

A: entropy is the randomness in the arrangement of the particles. in solids constituent particles are…

Q: 1. Any sample of matter has mass and takes up space. The main reason for this is because: * a. All…

A:

Q: Question 2 of 10 Construct the expression for Kc for the following reaction. 4 HCI(aq) + O:(g) = 2…

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Q: The correct name for the following struceture Ps: CI- a) Cis-1-chloropent-2-ene oxfde b)…

A:

Q: Part B Calculate the molar mass for Mn3O7, an oxide of manganese. Express your answer to five…

A: B) atomic mass of Mn = 55 g.mole-1 Atomic mass of O = 16 g.mole-1