Calculate the de Broglie wavelength (in angstroms) of a hydrogen atom traveling at 192 m/s which is the root-mean-square speed of an H atom at 1.5 K.

Q: Write the equilibrium constant expression, K, for the following reaction: If either the numerator…

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Q: FeCl3 + Na3PO4 → FePO4 + NaCl If 0.6793 moles of FeCl3 are reacted with 3.3851 moles of Na3PO4, how…

A: Iron (III) chloride reacts with trisodium phosphate to form iron(III) phosphate and sodium chloride.…

Q: Do the "-ed Suffix" Activity Underline the baseword and circle the suffix in each word below. Read…

A: Please find the below answer of this question.

Q: Draw one of the possible diastereomers of the molecule shown below. Use a dash or wedge bond to…

A: Given structural formula of a compound. We have to draw a structure of its diastereomer

Q: Question 12 A buffer is made by combining 237 ml of 0.125 M acetic acid (HC₂H₂O₂) with 425 mL of…

A: we have to calculate the pH of buffer solution

Q: What does this mean? 10 8 6 4 2 2 free particle 1 2 s(t) 4 5 x(t) 3 2 1 -1 -2 harmonic oscillator 4…

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Q: What is the equilibrium hydronium ion concentration of an initially 4.9 M solution of hypobromous…

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Q: Question 51 of 67 Identify the relationship between the following two compounds. gho A) identical B)…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.33 kg sample…

A: Molar heat capacity = Amount of heat required to raise temprature by 1 degree  of one mol of a…

Q: What is the pH of a solution prepared by dissolving 0.399 g of NaOH(s) in 8.50 L of water? (Kw =…

A: Given - Weight of NaOH= 0.399 g  Volume of water 8.50L Kw=1.01×10-14

Q: At STP, what is the volume of 4.50 moles of nitrogen gas? 101 L O 34201 167 L 0607 L

A: Ant gas at STP condition ( standard temperature and pressure) has 22.4 L volume  At STP condition…

Q: A gas storage cylinder in an ordinary chemical laboratory measures 4.4 cm wide and 18. cm high. This…

A: Width of the gas cylinder, d = 4.4 cm  Height of the gas cylinder, h = 18 cm  Initial volume of the…

Q: Part A Calculate the molar concentration of OH ions in a 0.520 M solution of hypobromite ion (BrO;…

A: We know , PH = [OH-] , PH + pOH = 14

Q: When 10.00-mL of 0.8000 M propionic acid (CH3CH2COOH), is titrated with 0.2000M NaOH what is the pH…

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Q: Calculate the pH of a 20.0 mL of 0.10 M NaCl solution after a. 5.00 mL of a 0.0100M of HCl…

A: QASW3X

Q: 33 of 35 > Macmillan Learning When methanol, CH, OH, is burned in the presence of oxygen gas, O₂, a…

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Q: (6) Draw the structure for each solvent and explain why it is polar protic or aprotic. a. DMSO b.…

A: The solvent which can act as proton donor is called as polar protic solvent.  The solvent which…

Q: CH3COOH + NaCH3COO 35mL total solution 0.29M acetic acid concentration after mixing 0.71M sodium…

A: Given-  CH3COOH + NaCH3COO^- Volume= 35mL Concentration acetic acid= 0.29M Concentration of sodium…

Q: PXCI, where x stands for a whole number. Measurements also show that a certain sample of the unknown…

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Q: Why is a primary radical less stable than a secondary radical using structures and words to explain.…

A: This can be explained as:

Q: Draw the organic structure for the following molecules. O S-pentan -2-01 Ⓒ Isobutyl 3 cyclobutyl…

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Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are…

A: When salts are dissolved in water they dissociate into their corresponding ions.

Q: A solution of a chiral compound was prepared by dissolving 15.67 g in 16.00 mL of solvent. The…

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Q: What is the pressure in a 6.00 L tank with 49.3 grams of nitrogen gas at 385 K?

A: Pressure of a gas in the tank or vessel can be predicted considering the gas to be ideal and using…

Q: water react to form acetylene and calcium hydroxide: CaC₂(s) + 2 H₂O(g) → C₂H₂(g) + Ca(OH)2(s) In…

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Q: A student dissolves 13.8 g of ammonium chloride (NH4Cl) in 250. g of water in a well-insulated open…

A: a.) Nature of reaction can be determined from temperature change.  b.) Heat can be calculated using…

Q: D Question 3 Predict the pH range of a 0.500 M solution of LICIO4 need more information O neutral O…

A: pH range of a salt solution can be figure out from the composition of salt.

Q: A chemist must prepare 0.525 L of 1.00 M aqueous sodium chloride (NaCl) working solution. She'll do…

A: we have to calculate the volume of stock solution

Q: At STP, temperature and pressure have the values of O 273 K and 1 mmHg 273 K and 760 mmHg O 760 K…

A: Answer: STP means standard temperature and pressure and it refers conditions in the atmosphere at…

Q: For the following combustion reaction CH₃COCH₃(l) + 4O₂(g) → 3CO₂(g) + 3H₂O(g) ∆H = -1.79 × 10³ kJ…

A: This is exothermic reaction. one mole of acetone combustion leads to produce heat 1.79 × 10³ kJ in…

Q: O Macmillan Learning Introductory Chemistry Revell SECOND EDITION presented by Macmillan Learning A…

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Q: The reaction shown forms two major substitution products. Draw both products and write a mechanism…

A: There is formation of 3° carbocation and it has planner structure so nuclophile can attack from both…

Q: Q1/What product would you expect to be the product only obtained for each reaction below! AICI NEN 8…

A: Q1) The 1st reaction is the friedal craft alkylation reaction. In this type of reaction, a generated…

Q: H3C. Predict the splitting pattern expected for the circled proton in the structure below. C10 H₂…

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Q: 1. Calculate the equilibrium constant for the following reaction at 25°C: Fe2+ (aq) + 2Ag(s) Fe(s) +…

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Q: What quantity in moles of oxygen gas at 140.0 °C and 43.3 atm would occupy a vessel of 2.85 L?

A: temparature (T): 140.0 °C = 413 k pressure (P) = 43.3 atm volume (V)=  2.85 L gas constant (R) =…

Q: Calculate the percent ionization of acetic acid solutions having the following concentrations.…

A: Given :

Q: In the above redox reaction, use oxidation numbers to identify the element oxidized, the element…

A: Given - Zn + I2 + 4OH- -> Zn(OH)42- + 2I- ->The element which has oxidation number increases…

Q: A student dissolves 14.0 g of ammonium nitrate (NH4NO3) in 200. g of water in a well-insulated open…

A: a.) First we check the heat released or absorbed by temperature change.  b.) We can calculate heat…

Q: Identify which of the following compounds is meso.

A: Given : structure of molecules Tip : find out the R-S configuration

Q: Determine whether the molecules below are (R)- or (S)- isomers. C(CH3)3 H3COC Н НО. CH₂Br 0 Н""" H3C…

A: We have to first do the numbering according to the priority order.  If it is clockwise and hydrogen…

Q: In the following reaction, what is the quantity of heat (in kJ) released when 4.93 moles of CH₄ are…

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Q: what glassware should be used to add the sodium hydroxide into the hydrochloric acid solution?  A.…

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Q: 0.100 mol of both H₂CO3 and KHCO3 are dissolved in 1.00 L of water. What reaction takes place when a…

A: In buffer solution, one is acidic part and another is basic part.  So when an acid is added to…

Q: A chemist must prepare 600. mL of 5.00 mM aqueous calcium sulfate (CaSO4) working solution. She'll…

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Q: 2- Give the IUPAC name of the following compounds: CH3 CH3 | (CH3)2CHCH₂CHCH3 and (CH3)3CCH2CH₂CH I…

A: Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more prior…

Q: Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon…

A: First we need to use these reactions to get the reaction of formation of dimethyl ether from carbon…

Q: How do I know if I had R or S phenylsuccinic acid in either R or S proline?

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Q: What volume of 0.95 M HCI (in mL) is needed to reach the equivalence point a the titration of 70.0…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: A student peforms a titration, titrating 25.00 mL of a weak monoprotic acid, HA, with a 1.26 M…

A: The weak monoprotic acid is HA. The strong base is NaOH (titrant)  The balanced equation is: HA(aq)…