A solution is formed by dissolving 15.5 g of aluminum chloride with 50.0 g water at 25.0 oC.  What is the vapor pressure of the solution? Group of answer choices 22.8 mm Hg 21.1 mm Hg 22.0 mm Hg 20.9 mm Hg 23.8 mm Hg

Q: According to the Bronsted-Lowry theory, a base is a:

A: According to Bronsted- Lowry theory any species that can accept a proton is base and species that…

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

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Q: This sketch of a neutral molecule is shaded red or blue wherever the ele of the molecule be?…

A: The covalent bond is formed by the sharing of electrons between the atoms.

Q: What is the pH of a 0.36 M solution of HNO2 (Ka = 4.5 x 10-4)?

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Q: nat volume of pure O2 (g) C125

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Q: Choose the correct statement. The increase in distance between the electrodes in the conductance…

A: The conductance of the solution is reciprocal  of Resistance.

Q: Water at the surface of a small pond in Toronto is at the freezing point as the sun sets on a winter…

A: Heat released for phase transition from liquid to solid  = mass × heat of freezing

Q: Consider the equilibrium system described by the chemical reaction below. A 2.00 L reaction vessel…

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

A: Inner electrons of an element is the total number of electron of it's nearest previous noble gas…

Q: What is the hybridization of the central atom in the bromodifluoride ( BrF, ) anion?

A: In BrF2- anion, Br is the Central atom.

Q: What solution can be obtained from the dissolution of Ethylamine Hydrobromide in water? a. acidic…

A: Given-> Dissolution of ethylamine hydrobromide in water. ->The solution of salt is acidic or…

Q: changes to color indicator, blue @ pH = 5.75 When base is added, red @PH= 7,79 .Caiculae tグの it When…

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Q: buffer solution is prepared by dissolving 1.50 g each of benzoic acid, HC7H5O2, and sodium benzoate,…

A: First to calculate moles of each.  Then using formula to calculate pH.

Q: Tyler titrates 40 mL of 0.350 M lactic acid (HC3H5O3,Ka=1.5×10−4) using 0.450 M NaOH. Calculate the…

A: 40 mL of 0.350 M lactic acid is tirated using 0.450 M NaOH . Ka of lactic acid = 1.5 × 10-4 .We…

Q: What is the final pH of a solution obtained by mixing 450 ml of 0.20 M NaOH with 150 ml of 0.10 M…

A: H3PO4 is a tri-protic acid ( it have 3 acidic Protons ) , so when NaOH is added to it, protons would…

Q: Part C: Ideal Gas Law (Calculation) Directions: Solve the following problems. Show your solution. 1.…

A: Ideal gas equation is given by,     PV  =  nRT  P - Pressure  V - Volume n - number of moles R -…

Q: Consider the titration of 25.0 mL of 0.118 M acetic acid (CH, COOH. pK, 4.75) with 0.100 M NaOH. CH,…

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Q: you add 200 mL of 0. 100 M HCI to 1.00 L solution containing 0,150 M HEN and 0.300 M NaCN, what will…

A: Given-> Volume of HCl = 200 ml = 0.200 L (1L =1000ml) Molarity of HCl = 0.100 M Volume of initial…

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

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: How many grams of Ag2CrO4 will precipitate if excess K2CrO4 (aq) is added to a 41.5 mL of 0.816M…

A: Ag2NO3 is limiting reactant. and K2CrO4 is given in excess...

Q: A 0.200 M H2SO4 solution has a density of 1.200 g/mL.  What is the concentration of the H2SO4…

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Q: 2. What are the n, I, and possible m, values for the 2p and 5f sublevels?

A: 1) 2p sublevels n = 2

Q: NH,+ Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone…

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Q: Calculate an approximate heat of combustion for ethane (C, H6) in kilojoules per mole by using the…

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Q: A solution having a pH of 7.85 is:

A: If pH<7 then solution is acidic in nature pH =7  then solution is neutral pH>7 the solution is…

Q: A sample of neon gas oCcupies a volume of 752 ml at 25°C. What volume will the gas occupy at 50ºC if…

A: Given : Initial Volume = 752 mL ×  1L / 1000mL                                       = 0.752 L  = V1…

Q: Use the unbalanced neutralization below and the periodic table to calculate the answer. H,PO, (aq) +…

A: 1. Given ;-  H3PO4(aq) +Mg(OH)2(aq) → Mg3(PO4)2(s) + H2O(l)  Amount of H3PO4 = 7.49 g  To calculate…

Q: Glucose (molar mass=180.16 g/mol) is a simple, soluble sugar. Glucose solutions are used to treat…

A: Molar concentration is the ratio of number of moles of solute to volume of solution in liters.…

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: Lhoose which of the following has the least4S°. Omolten brass (alloy of Cu and Zn) Omethane aqueous…

A: The correct answer about entropy is given below

Q: The common name for the following compound is: OH HO as 2-methyl propan-1, a- dio) b) Psobutyl…

A: Given structures are  Naming of organic compounds,according to IUPAC. word root = indicates no of…

Q: Calculate the percentage composition of KMNO,

A: Given :- chemical formula of compound = KMnO4  To determine :- percent composition

Q: Write out the short form electron configuration for selenium.

A: Atomic number of selenium is 34 which means selenium has total 34 electrons

Q: Calculate the mass of forsterite (Mg, SiO,) that contains a trillion (1.00 × 10'´) oxygen atoms. Be…

A: Given-> Number of Oxygen atom = 1.00 × 1012 atoms

Q: When 62.1 g of I2 (253.8 g/mol) reacts with excess hydrogen gas, how many grams of HI (127.9 g/mol)…

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Q: You have an upset stomach and take an antacid. The behavior of the antacid is best described as…

A: Antacids are medicines that neutralize the acid in the stomach and gives relief to heartburn , upset…

Q: When an electron moves from an outer shell to a lower shell, the electron's potential energy is…

A: Given statement is : When an electron moves from an outer shell to a lower shell, the electrons…

Q: Biological reduction of Pt(IV) can occur which of the following? O Outer sphere mechanisms only O…

A: Ans. Option (e) is right. Both outer and inner space mechanisms. It is widely reported that the…

Q: 1. Treat 2-pentanone with the following reagents. Write the major organic product of the reaction…

A: Since we know that Tollen's test is used to distinguish between aldehyde and ketone.  Since we know…

Q: Calculate the gravimetric factor used to obtain the % Ca when if your final precipitate is…

A: Given that -  Compound - CaC2O4-H2O  And, atomic weights of different elements are -  Ca = 40, C =…

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…

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Q: Activity 2. Molecular Shapes Instructions. Draw the molecular shapes and predict the bond angles…

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Q: Identify the solubility class of each of the 4 compounds and identify the best solvent that could…

A: A pair of compounds can be separated from each other depending upon their relative polarity on the…

Q: A solution is prepared by adding 50.0 g of glucose (C,H120, molar mass 180.18 g/mole) into 250.0 g…

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Q: Consider a iron-alver voltaic cel that is constructed such that one haif-cell consists of the iron,…

A: Iron-silver voltaic cell was constructed using one half-cell containing iron, Fe electrode placed in…

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

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Q: In Bronsted-Lowry theory, an acid-base reaction is a proton transfer. True False

A: According to Bronsted-Lowry theory  An acid is a proton donor and a base is a proton acceptor.

Q: i need help calculating the therotical yield based on the data in the lab and please show me the…

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Q: Given the nature of electrocyclic reactions, which of the pi MOs shown below is involved in the…

A: During the electrocyclic reaction HOMOis involved in the reaction