A chemist prepares a solution of sodium carbonate (Na₂CO3) by measuring out 86. μmol of sodium carbonate into a 500. mL volumetric flask and filling th flask to the mark with water. Calculate the concentration in mmol/L of the chemist's sodium carbonate solution. Round your answer to 2 significant digits. 0 mmol L 0 0 X S

Q: Calculate the volume of N2 that results when 0.117 L of the gas is heated from 284.0 K to 374.0 K at…

A: Given: Initial volume of gas = 0.117 L Initial temperature of gas = 284.0 K Final temperature of gas…

Q: Consider the following sample data for the Titration of Citric Acid in Sprite experiment. Calculate…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is known as…

Q: How is it possible to produce solutions with similar pH values without using acetic acid  Explain…

A: Acetic acid, HC2H3O2 is a weak acid.  Sodium acetate, NaC2H3O2 is a conjugate base of the weak acid,…

Q: b. C. 1. Provide the IUPAC name for each of the following a. OH ix

A: IUPAC name refers to International Union of Pure and Applied Chemistry.  According to our Q & A…

Q: 1. 2. A CO₂CH3 + OEt H₂C-PPh3 Bu₂N OH CO₂Et CO₂CH3 a = Electrophilic addition b = E2 Elimination c =…

A: A carbonyl nucleophilic addition reaction is a chemical addition reaction in which a nucleophile…

Q: Assign the vibrational spectrum of IR (gas, cm¯¹) 989 trans-difluordiazine, N₂F2, given below: Raman…

A: To assign the vibration spectrum of trans-difluordiazine N2F2 given below.

Q: 12. Put the following species in order of increasing atomic radius: A) N<F<AI<Si <K B) F<K<Al<Si <N…

A: In modern periodic table down the group the radius of atom increases due to the successive addition…

Q: configuration? 8. Which atom has the greatest number of unpaired electrons in its ground-state…

A:

Q: Give the IUPAC name for each structure. Part 1 of 3 CH(CH,),CO,(CH) CH I Part 2 of 3 Part 3 of 3…

A:

Q: Consider the data in the table. Compound Melting point (°C) AHrus (kJ/mol) Boiling point (°C) AHvap…

A: Given: Tabular data for calculation of ∆Sfus &amp; ∆Svap.

Q: Draw three resonance structures for NCO- (C is central) that follow the octet rule and assign formal…

A: NCO- has three resonating structures that follow octet rule, as shown in next step.

Q: 5. Phosphate buffer is commonly used in biochemical work due to its second pka of 7.2. The two forms…

A: "Since you have asked multiple questions, we will solve the first one for you. For the remaining…

Q: What does the group of an element tell you about its Lewis dot structure?

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: What is the theoretical yield of iron in moles?

A: we have to calculate theoretical yield of iron

Q: Calculate the enthalpy change of the reaction below using Hess's law.   S(s) + O2(g) → SO2(g) (1) 2…

A: Hess's law: the amount of heat involved in producing one chemical from another is always the same,…

Q: For the decomposition of carbon dioxide into carbon monoxide and oxygen gas, the degree of disso-…

A: To find out the value of K, ∆rG°, ∆rH°, ∆rS° at 1443 K for the dissociation of carbon dioxide in to…

Q: Use the known reactions to determine the ΔHrxn of the following reaction. C2H4(g) + Cl2 (g) →…

A:

Q: 3) For the following reaction scheme below, a) draw the formed polymer and then b) provide the…

A: Radical polymerization: The polymerization reaction in which a polymer is formed by adding free…

Q: 10.546 g of a sample containing a mixture of NaHCO3 and Ca(HCO3)2 is mixed with an excess of HCI to…

A:

Q: 5. Draw the mechanism used and the products. CH 3 M Br CH3 BOCH 3 CH 3 OH, 100°C

A: E2 mechanism - Elemination reaction in which rate of reaction depends upon base and substrate  In E2…

Q: Part A If an aerosol can contained 350 mL of CFC gas at a pressure of 6.0 atm, what volume would…

A:

Q: Draw all the possible resonance structures for the chromate ion. How many resonance structures can…

A: We need to draw all the possible resonance structures for the chromate ion. Chromate ion is CrO42-

Q: In my experiment I need help on finding the heat solution in joules and determine the heat solution…

A: Given that,  The initial temperature of water = 21.17 °C The final temperature of water = 17.93 °C…

Q: What is the concentration of H3O+ in a sample of saliva that has a pH of 6.6? Type your answer in…

A: Given pH = 6.6

Q: H- When diluting a 0.100 mol/dm³ solution of a monovalent, weak base to fifty times its volume the…

A: The dissociation of the weak base (BOH) is shown as- BOH→B++OH- The initial concentration of base,…

Q: Provide the correct systematic name for the compound shown here. h N,N- 4- di 5- prop 2- tetra tri…

A: yes, you are right it is not N-ethylpropionamide. but there is a minor mistake in this iupac name.…

Q: CI H₂, Pd/C, BaSO4, quinoline, S

A:

Q: What type of nitrogen functional group is shown in this picture? NH₂ A) primary amine B) secondary…

A: If Amine bonded with one alkyl group  then it is primary amine

Q: The chemical potential is simply the partial molar pressure of a substance. True False

A: In thermodynamics the chemical potential for a species is the change in the energy with resect tot…

Q: Mail-Scheffel, Reagan - Outlook X → с STARTING AMOUNT 68°F Clear app.101edu.co X BIO 120 LAB -…

A:

Q: Which Statements are True About the Kinetic Molecular Theory? As gas atoms collide, they will slow…

A: There are some assumptions and postulates of Kinetic Molecular theory. Among the given statements…

Q: In the temperature-composition diagram shown here, the vaporization temperature of the pure solute…

A: Given phase diagram:

Q: Hydrogen gas reacts with bromine gas to form hydrogen bromide. How many grams of hydrogen, H2, are…

A: Recall the given reaction,                                     H2  +  Br2  →  2 HBrMass of…

Q: 5. If the reaction shown below favors the formation of reactants, which is the strongest acid in the…

A: Acid is a substance which give up proton and base is a substance which can take up proton. A strong…

Q: How many signals would be present in the ¹HNMR? 02 O 3

A: Number of different proton give different signal in 1H NMR...

Q: What is the pH of a 0.4888 M NaOH solution? Write your answer to the tenths place

A: pH = It is the measurement of H3O+ ion in a solution  pH = –log [H3O+] Similarly pOH = –log[OH–] And…

Q: At what pH would you expect this ionic species to be the predominant one? H3N- -CH- 1 4 CH₂ OH 7 11

A: The given molecule is Aspartic acid, an acidic amino acid.  The acidic groups present in the amino…

Q: CH3 0 O CH3CH₂CHCH₂CH=CHCOH HCI CH3 CH3CH₂CHCH₂CH-CHCOH CI H √ [F CH3 CH3CH₂CHCH₂CH- O CHCOH H CI…

A: Reaction of alkene with HCl proceeds through carbocation intermediate hence, product formed from…

Q: A. Determine the M+ peak (Which m/z peak represents the M+ peak?). er ferW.sim OT JB 1890 nev…

A: We need to calculate:  A. M+ peak B. Chemical formula, Degree of unsaturation. C. Structure of M+…

Q: Give the number of products after the complete Beta-oxidation for the following molecule type your…

A:

Q: (a) The boiling point elevation constant of a common organic solvent is 3.40, and its normal boiling…

A:

Q: Prompts Science that deals with the rate of reactions Science that deals with reaction spontaneity…

A: When the Gibbs free energy for any given reaction is negative then the reaction is said to be…

Q: Provide the name of the following hydrocarbon.

A:

Q: What is the final molarity when 85.00 mL of a 1.695-M KNO3 solution is diluted to 560.00 mL?

A: After dilution concentration is decreases

Q: 2. Identify the functional group in each molecule shown below A) CH₂-OH B) CH OH | CH₂-OH ework 1…

A: There are various functional groups in organic compounds-  1- alcohol - the compound having -OH…

Q: What is the 'H NMR splitting pattern of the indicated hydrogen? H si O triplet O doublet O quartet

A: Here we are required to find the splitting pattern of hydrogen indicated.

Q: The substance formed on addition of water to an aldehyde or ketone is called a hydrate or a... a.)…

A: we have to determine the product formed by addition of water to an aldehyde or ketone

Q: Which of the following molecules would you expect to experience dispersion forces as their dominant…

A: 1) we have to select the molecules which have dispersion forces as dominant forces  1) we have to…

Q: Are noble gases considered to have electro negativity? Why or why not?

A:

Q: Predict the products of this organic reaction: Mot + H₂O H Specifically, in the drawing area below…

A: