Question 7 The decomposition of certain chemical X is a first order reaction. After 2 hours, 60 percent of a 0.38 M solution of X has decomposed: What is k for the reaction? What is the half life of the reaction?

Q: (a)Write the equilibrium expression for the following reaction: Co^2+ (aq) + 3 NH3(aq) Co(NH3)3^2 + ...

A: Kc is the ratio of the equilibrium concentrations of product over equilibrium concentrations of reac...

Q: the reaction time would increase if we used a mixture of dyes

A: In this question we have to explain the reaction time would increase if we used a mixture of dyes wi...

Q: Consider the reaction: SO,Cl (g) = SO2(9) + Cl2 (9) K = 2.97 x 10° at 625 K In a reaction mixture at...

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Q: Which substance is the acid? Which substance is the base? Which substance is the conjugate acid? Whi...

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Q: What is the [H3O-] and [OH-] ion concentration respectively in a solution that contains 0.155 M HNO3...

A: HNO3(aq) ----> H+(aq) + NO3-(aq) [HNO3] = 0.155 M    

Q: What is the molar concentration of HNO3 (63.0 g/mol) in a solution that has a specific gravity of 1....

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Q: Why are reactant and product concentrations constant at equilibrium? (A Because the chemical reactio...

A: Answer: For a chemical reaction, chemical equilibrium is a state at which all the parameters that de...

Q: What is the freezing point of solution that is made up of 100.0 mL of Dichloromethane (CH2Cl2) and 0...

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Q: What is the pOH of a 0.0027 M Ba(OH)2 solution?

A: Given: Concentration of Ba(OH)2 = 0.0027 M.  

Q: Problem 2. Give the conjugate acid of: (a) F- (b) ОН- (c) PO- (d) PH, (e) NO,

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Q: At a certain temperature this reaction follows first-order kinetics with a rate constant of 0.034 s ...

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Q: Putting some partial positive H's near the O- would stabilize the O- by hydrogen-bonding with its lo...

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Q: The equilibrium constant Kp is 6.0 x 1015 at 298 K for the reaction: 2H2S (g) + SO2 (g) 5 3S (s) + 2...

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Q: Ammonium phosphate ((NH,),PO4) is an important ingredient in many fertilizers. It can be made by rea...

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Q: What is the molar solubility of Ag2CO3 in pure water, given that its Ksp= 8.10x10-12?   2.54x10^-3 ...

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Q: A hydrogen atom with its electron in the n =5 energy level emits a photon. a. To what energy level d...

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Q: 3. If 124 kJ of heat is absorbed in a reaction that forms nitric oxide from nitrogen and oxygen, wha...

A: 3. Sol :-  Given,  Amount of heat absorbed = 124 KJ  Reaction between N2 and O2 takes place to gives...

Q: A drug can exert its pharmacological effect only if it is

A: This is a multipart question. According to Guidelines, if there are five parts in a multipart questi...

Q: Problem 5. Label the acid and base in the following reaction. Show the mechanism of deprotonation re...

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Q: A solution is made by dissolving 0.669 mol of nonelectrolyte solute in 793 g of benzene. Calculate t...

A: Answer: Depression in freezing point and elevation in boiling point, both are colligation properties...

Q: A patient weighing 119lb is to receive 300 mg of medication in 750 mL solution is to be titrated at ...

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Q: Americium-241 is an isotope that is commonly used for household smoke detectors. Gamma radiation emi...

A: The energy and frequency of a radiation is related as - Energy = h * frequency where, h = Planck con...

Q: Aqueous sulfuric acid (H, SO,) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium s...

A: Balanced chemical reaction is  H2SO4 + 2 NaOH = Na2SO4 + H2O Here 1 mol of H2SO4 reacts with 2 mols ...

Q: In order to form Ba(IO3)2, 500 mL of 0.5000 M Ba(NO3)2 was mixed with 500 mL of 0.0500 M NaIO3.   ...

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Q: Given the balanced reaction A + 3B = 2C, calculate the entropy change of the universe if: T = 25 de...

A: Given, A + 3B = 2C Temperature (T) = 25°C = (25 + 273.15) K = 298.15 K A and B are pure gases. Stand...

Q: You are hired by a company producing vitamins. Knowing that you have background in analytical chemis...

A: We are tasked to analyze vitamin C.

Q: What quantity in moles of C2H5OH are there in 50.0 mL of 0.250 M C2H5OH?

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Q: If we used a different wavelength, would we expect to determine the same reaction order by graphing?...

A: The expansion of drop by drop gets the focuses the dominate information exceptionally clear and exac...

Q: A single alkyl bromide reactant theoretically yields either of the given products, depending on the ...

A: The reaction given is,  

Q: Concept Check: Photodissociation/Photoionization Sample Problem 4. The bond energy in N, is 941 kJ/m...

A: Bond energy of N2 = 941 kJ/mol  

Q: A. Heparin B. Chondroitin-6-sulfate C. Hyaluronic acid D. Dermatan sulfate E. Chondroitin-4-sulfate ...

A: To match the Disaccharides units of the following glycoconjugates : 

Q: What is the molar concentration of HNO3 (63.0 g/mol) in a solution that has a specific gravity of 1....

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Q: What do you call a substance that bears both a positive and a negative charge? A anion B cation zwit...

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Q: .. gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous produ...

A: Reaction in which heat is evolved is exothermic while reaction in which heat is absorbed is endother...

Q: if 1 pint of blood weigh 1lb , calculate 900ml of blood .

A: Given: Mass of 1 pint of blood = 1 lb. And volume of blood = 900 mL.  

Q: Mechanism of this reaction please!

A: Given enzymatic reaction is:

Q: Calculate: A) the average molarity of the base. B) the standard deviation of the molarity and the 95...

A: Reaction between KHP and NaOH      NaOH + HOOC-C6H4-COOK -------------> NaOOC-C6H4-COOK + H2O One...

Q: 2000 3000 1000 Molecular Speed u (m/s) Relative number of molecules with speed

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Q: Consider the reaction: SO,C (9) = SO2(9) + C2 (9) K= 2.97 x 10° at 625 K In a reaction mixture at eq...

A: Given, SO2Cl2 (g) ↔ SO2 (g) + Cl2 (g) K = 2.97 x 103 T = 625 K Partial pressure of SO2 = 133 mbar = ...

Q: Describe the ideas of the Ancient Greeks on the atom and elements;

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out o...

Q: What is the molarity of K+ in a solution that contains 89.72 ppm of K3Fe(CN)6 (329.3 g/mol)?   8.17...

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Q: 1.give the Features -benefits -Advantages of a VANILLA  2.give the Features -benefits -Advantages o...

A: 1. VANILLA-  Features- The flavour of vanilla is because of the aromatic compound “vanillin” In vani...

Q: What mass of Ba(NO3)2 (261.34 g/mol) is needed to convert 2.33 g of NaIO3 (197.89 g/mol) to Ba(IO3)2...

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Q: A. Heparin B. Chondroitin-6-sulfate C. Hyaluronic acid D. Dermatan sulfate E. Chondroitin-4...

A: As shown in above are the structures which are considered from No. 1 to 6. A . Heparin Structure : N...

Q: 1. Prepare a 2 M NaCl soln; 1000 ml final volume; MW = 58.5 grams

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Q: Match the disaccharide units of the following glycoconjugates: CH,OSO,- но H. COO NHCH, H H. OH H. н...

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Q: Problem I. Give the conjugate base of: (a) HOCI (b) H,O* (c) NH, (d) HCO, (e) HPO 4.

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Q: Question 5 If a certain analysis involved measuring the volume of a titrant in order to determine th...

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Q: Question 6 In order to measure the Cl content of a sample, it was made to react with the Ag ion, for...

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Q: Physical description of prepared stock solution (Transparency, color, turbidity, etc.) (Be concise a...

A: In the given question, stock solution of L-ascorbic acid has been prepared. The concentration of the...