unit 3 practice problem Dalton Atomic Theory 1 2 3 4 5

Q: 1. Use the melting point data to classify the ten substances into categories. List the categories,…

A: Different substances needs to be classified based on their chemical properties such as melting point…

Q: (a) 1. NBS, hv 2. NaOH, H₂O 3. CHBr3. (CH3)3COK*

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Q: Increasing the temperature of a reaction increases the speed at which the reaction occurs. Identify…

A: Chemical kinetics can be defined as the branch of chemistry that deals with rates of chemical…

Q: Alanine (HA) is a diprotic amino acid with Kal = 4.53 x 10-3 and K₁2 = 1.36 x 10-10. Determine the…

A: a) A 0.241 M alanine hydrochloride (H2A+Cl-) solution- Now, the dissociation of H2A+Cl- in the…

Q: You have a solution of HIO3 with a mass percentage of 15.8% m/m and a density of 1.101 g/mL. You…

A: Given the w/w% of HIO3(aq) solution = 15.8 % w/w or m/m Given the density of the 15.8 % w/w, d =…

Q: Cerium has four stable naturally occurring isotopes which are listed in the table with their…

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Q: Can someone check my answers and see if they are correct?

A: The stationary phase (-SO3-) is negatively charged (Cation-exchange chromatography).  Since the…

Q: What is the product obtained when 2-methyl- 3-oxohexanoic acid is heated? Prove it using a reaction…

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Q: what is the chirality centeris an R or S absolute configuration?

A: A chiral center is defined as an atom in a molecule that is bonded to four different chemical…

Q: Do the Balancing Chemical Equation.

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Q: Which is a stronger base S^2- or Se^2-? Explain your answer.     Please provide answer correctly…

A: Given -> S2- & Se2- -> order of Basicity of conjugate base is same as order of basicity of…

Q: In this experiment, we will be making our own solutions. We first make a stock solution. Then we…

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Q: OTBS Ph I h Me Me Ph Ph PH Ph BF₂ OE₂

A: As per the rules, only the first question can be answered. Please resubmit for the other questions.

Q: Propoase a plausible mechanism for the following transformation: HO H [H3O*] EtOH

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Q: 2. Propose a mechanism for this reaction: What happens first? What happens next? OH H₂SO₂, heat B

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Q: Can someone help me find the most acidic hydrogen that is marked with an arrow out of these two…

A: From the hydrocarbons, alkanes and alkenes do not show acidic properties, but the terminal alkyne…

Q: NO₂ OH 4-nitrophenol Fe + HCl H₂O NH₂ OH 4-aminophenol

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Q: How many moles of atoms are in each elemental sample? 4.95×1021 Ca atoms to mol Express your answer…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: To make 1.50 L of 0.100 M NaCl from a 2.96 M stock solution, you would need to take  mL of the stock…

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Q: In the second solution is that suppose to be 0.203 or 0.283

A: We have to clarify the answer of the second solution is  0.203 or 0.283.

Q: Order the acids based on their strength, with the weakest on the left and the strongest on the…

A: To order the acids based on their strength, with the weakest on the left and the strongest on the…

Q: (a) p(Br2) = 1.84 atm, p(Cl2) = 7.24 atm, p(BrCl) = 16.8 atm; this reaction: does which one of…

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Q: equation delta T = i Kf m in chemistry, how would i find the vant hoff factor only being given the…

A: Solution is made up of two components: solute and solvent. The component which is present in major…

Q: Enter a balanced chemical equation for each of the following. Sulfur dioxide gas reacts with oxygen…

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Q: Use resonance theory to explain why the carbonyl (C=O) stretch for prop-2-enal (CH2=CH-CHO) occurs…

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Q: Suppose that you have a part that requires a tin coating. You calculated that you need a deposit…

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Q: In a titration experiment, how does the error in the standardization of NaOH affect the accuracy in…

A: The error in the standardization of NaOH leads to error in the determination of the concentration…

Q: NH₂ CHO + ပုံ-ပုံ OH OC2H25 4-aminophenol Acetic Acid EtOH 4-(dodecyloxy)benzaldehyde PC12CHO…

A: We have to give the mechanism of the given reaction. Concept: Here in the given reaction,…

Q: 10. The methane molecule, which makes up natural gas a major industrial chemical, has a carbon atom…

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Q: 5. The two similarities and differences between the following: Graphene, graphite, graphitic carbon…

A: To list the similarities and differences between graphene, graphite, graphitic carbon nitride and…

Q: Why should a low flame be used in heating the metallic sodium?

A: Low flame be used in heating the metallic sodium.

Q: Write the chemical formula of the ionic compound that is formed by each of the following pairs of…

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Q: To neutralize the acetic acid contained in 10 mL of commercial vinegar, 18 mL of a sodium hydroxide…

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Q: The equilibrium constant, Kp, has a value of 6.5 × 10−4 at 308 K for the reaction of nitrogen…

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Q: Determine the empirical formula of a compound that contains 54.5% carbon, 9.2% hydrogen and 36,3%…

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Q: A sample of a compound is found to contain 6.17 g carbon, 1.04 g hydrogen and 18.16 g chlorine. Its…

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Q: The reaction A → C was performed and the concentration vs. time data below collected. time, s 0 3…

A: AO =INITIAL CONCENTRATION At = CONCENTRATION AT TIME  T k = RATE CONSTANT  t = TIME INTERVAL

Q: 3) It is desired to titrate 40mL of calcium hydroxide, Ba(OH)2, 0.25 M. For this, a solution of…

A: Volume of calcium hydroxide = V1 =40 ml  Molarity of calcium hydroxide =M1=0.25 M  Molarity of…

Q: If the area of one tile is measured to be 1.07 ft2, how many tiles do you need to redo the floor of…

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Q: 3.8 Draw a Newman projection along the indicated bond pro-tip: it can be helpful to draw in the…

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Q: Part C. Accuracy and Precision

A: "Since you have asked multiple questions, we will solve the first question for you i.e Measurements…

Q: Classify each of the following as primary, secondary, or tertiary alkyl halide. 1-chlorobutane…

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Q: The theoretical yield of a reaction is the amount of product obtained if the limiting reactant is…

A: The given reaction is  N2(g) + O2(g)---------------> 2 NO(g) Amount of N2 = 13.32 g  Amount of O2…

Q: If a patient's blood contains 125% of glucose, how many mg of glucose are contained in 50ml blood?

A: Given that a patient's blood contains 125% of glucose. We have to calculate how many mg of glucose…

Q: Which acid would be best to use when preparing a buffer with a pH of 4.72? A list of Ka values can…

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Q: 3) Write a mechanism for the following proton-transfer reaction. H + NaOH -ONa+ H₂O

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Q: A solution of CaCl₂ in water forms a mixture that is 28.5% calcium chloride by mass. If the total…

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Q: 2) (thirdquestion).--The equilibrium concentration of magnesium ion in a saturated magnesium…

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Q: Calculate the percent ionic character of the interatomic bond for CsCl.

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Q: Question 2: What is the preferred IUPAC name of the compound in Figure 2? [Numbers are separated by…

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