Which of the following is an example of a catalyst?   dNTP's used as building blocks for a new DNA strand synthesized in a PCR reaction. Enzymes in your saliva that increase the rate of the breakdown of food molecules A compound that is produced in the final step of a reaction mechanism, and appears as a product in the net reaction. Phenolphthalein indicator used in acid/base titrations. Carbon dioxide in a combustion reaction, such as the burning of biodiesel.     Next

Q: Nitric oxide, NO, is formed in automobile exhaust by the reaction of N2 with O2 (from air) N2(g) + ...

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Q: The labels came off four cleaning solution containers found under a k ink. Each of the cleaning solu...

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Q: Determine whether orange II is insoluble or soluble in the following compounds: 5% NaOH 5% NaHCO3 ...

A: Orange  II is the dye having Phenolic functional group which only makes salt with Strong Base .

Q: Calculate the number of g of solute that would be needed to make 2.50 x 102 mL of 0.206 M NaCl. Ente...

A: Given :-  molarity of NaCl solution = 0.206 M  volume of solution = 2.50 × 102 mL  To calculate :-  ...

Q: Assuming the above reaction is exothermic in the forward direction (toward the product side), predic...

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Q: What type of plot is shown below? 12 000 10 00- 8000 B000 4.000 - 2000 O 00 00 10.0 200 30.0 400 a. ...

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Q: A 0.051 M weak acid solution, HA, has a pH of 1.95. What is the Ka of the acid

A: [H+]  = (Ka  × C )1/2

Q: 4. Examine the structures below. Label each structure as primary (1), secondary (2"), or tertiary (3...

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Q: What is the concentration of H* in a 2.5 M HCI (100 mL) and 0.1 M HBr (100 mL) solution? 0 1.8 М O 2...

A: Molarity of HCl = Molarity of H+ ion Molarity of HBr = Molarity of H+ ion Total Mole of H+ ion =   M...

Q: Question 2 of 3 Attempt 3 Determine the average rate of change of B from t = 0s to Time (s) Concent...

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Q: Calculating the pH of a weak base solution The base protonation constant K, of morpholine (C,H;ONH) ...

A: Given, Kb of morpholine (C4H8ONH) = 2.14 × 10-6 Concentration of morpholine (C) = 1.3 M pH = ? Note:...

Q: Part A A weather balloon is inflated to a volume of 25.5 L at a pressure of 738 mmHg and a temperatu...

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Q: Which indicator is found in a solution with a pH of 10? a. Phenolphthalein turns colorless C. Thymol...

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Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic i...

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Q: ne solubility

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Q: At 77°C, 2.00 mol of notrosyl bromide, NOBr, placed in a 1.00-L flask dissociates to the extent of (...

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Q: After 20 min, a reactant has decomposed to 85% of its original concentration. Which order would the...

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Q: How to tell if a molecule is polar or non-polar without electronegativity?

A: Can be explained by using symmetry....

Q: Which structure is 1-chloropropane (or propyl chloride)?   Question 7 options:   CH3-CH2-Cl   CH3...

A: Given :-  CH3CH2Cl  CH3CH2CH2CH2CH2Cl  CH3CH2CH2Cl  To identify :-  structure of 1-chloropropane 

Q: A generic salt, AB,, has a molar mass of 165 g/mol and a solubility of 6.30 g/L at 25 °C. What is th...

A: Molar solubility = solubility / molar mass

Q: 2. Write balanced net ionic equations describing each of the following reactions: Precipitation of t...

A: Confirmatory tests are employed to confirm the analysis of the salts. It makes precise identificatio...

Q: 4. Balance the redox reaction:

A: Given : reactions

Q: What would you expect to be the effect of an increase of pressure on the following reaction?  CO2(g...

A: According to Le Chatelier's principle, if a stress is applied on reaction at equilibrium then reacti...

Q: 5. Sucrose is about 42.12% Carbon, 6.48%Hydrogen and 51.4% Oxygen. Determine the mole fraction of ea...

A: To solve this problem we have to calculate the mole fraction of each elements present in sucrose . 

Q: Experiment 2 given: rate = k[H;O2]'[I]'[H'J° Sol'n # Water (mL) 0.050 M 0.1 % 0.050 M 0.050 1.033M T...

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Q: A mixture of ascorbic acid (CH706H, K2 = 6.8 X 105) and sodium ascorbate is prepared such that [CH,0...

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Q: Which statement is true regarding the the following compound? HO This is a secondary alcohol and it ...

A: We have to find the true statement regarding this compound.  

Q: ness. 5. The second law of Thermodynamics states that for any spontaneous process, there is a net in...

A: The second law of thermodynamics predicts the spontaneous nature of a process. According to this law...

Q: What is the oxidation number of the underlined element in the following compound? a) K2Cr2O7 b) AsO4...

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost...

Q: Propylamıne, Cs H, NH2, is a weak base. A 0.87 M aqueous solution of propylamine has a pH of 12.20. ...

A: a) Given, Propylamine (C3H7NH2) is a weak base. Concentration of Propylamine solution (C) = 0.87 M p...

Q: When K2(S) is added to a saturated solution of FeS , what happens to the solubility of FeS

A: We have to predict about solubility of potassium sulfide.  

Q: 2. A solution that may contain Cu*, Bi²", Sn, or Sb2* is treated with thioacetamide in an acidic med...

A: The following question can be answered on the basis of qualitative analysis of captions present in a...

Q: Part A MISSED THIS? Read Section 6.7 (Pages 235 - 238) ; Watch IWE 6.12. What volume of O2 gas, meas...

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Q: At what temperatures will the follow scenarios be sponanteous H2O2 (1) --> H2o2 (g) AH- 24.5 kJ/mol ...

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Q: Which of the following statements is true? O lonic strength is a quantity that only depends on the c...

A: Ionic strength of a solution is equal to half of the product of the concentration and square of char...

Q: 3. Provide a mechanism for the following: acetyl CaA COASH co a. b.

A: 1. In presence of acid,  esterification occurs when carboxylic acid and alcohol reacts. 2. In presen...

Q: For every mole of NaHCO3 reacted , one mole of CO2 is produced. The mole ratio for those two compoun...

A: Given that 1 mole of NaHCO3 produce 1 mole of CO2.  We are asked to convert the mass of CO2 to NaHCO...

Q: Consider the titration of 60.00 mL 0.120 M NaHCO3 with 0.250 M KOH. a. Write the balanced reaction w...

A: The reaction of acid and base will produce salt and water. The reaction of the strong base will form...

Q: In this operation 10,300.2001 - 3,334.22 = ? Express your final answer with the correct number of si...

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Q: Above what Fe² + concentration will Fe(OH), precipitate from a buffer solution that has a pH of 9.74...

A: Given: The Ksp of Fe(OH)2 = 4.87 × 10-17 We have to calculate the concentration of Fe2+ above which ...

Q: Write a balanced half-reaction for the oxidation of gaseous arsine (AsH,) to aqueous arsenic acid (H...

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Q: O 0/5 DOMINGO Understanding the definitions of heat and work A mixture of gaseous reactants is put i...

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Q: Consider the following reaction at 117O K. Hy(0) + co,te) H,0g) + coG) af the reaction is started in...

A: Hydrogen reacts with carbon dioxide to form water and carbon monoxide. The equation for the balanced...

Q: product

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: 1) For the following transformations involving one elementary step each: (i) Draw &+ and 8- on the a...

A: Given, 

Q: Abuela asked Mirabel to perform an experiment on freezing point depression. The solution was prepare...

A: In part 3., mass of potassium nitrate is taken as mass of potassium chloride since it was mentioned ...

Q: Calculate the mass/volume percent composition, or % (m/V), of 4.50 x 10' mL of solution containing 1...

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Q: b. . According to the Arrhenius Theory, the ion that is produced in theg HCl is dissolves in distill...

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Q: polar or at nonpolar?

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Q: ACIDS AND BASES Calculating the pH of a weak base solution -8- The base protonation constant K, of l...

A: Lidocaine is a weak base. [OH-] = ( Kb × C )1/2

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Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.