Example 1: If a 2.0 L sample of air is collected at 298K, but its temperature falls to -25°C, what is the final volume of the sample?

Q: Use the data below to determine the Michaelis-Menton constant [in mM] of a certain enzyme-catalyzed…

A: Given that,  v1 = 0.152 mM/s at [S1] = 0.334 mM,  And v2 = 0.176 mM/s at [S2] = 0.450 mM. We have to…

Q: An experiment was conducted to determine the over-all order of the reaction: YOI → MIYA At the start…

A: To estimate the order of the reaction.

Q: Which structure below is the correctly-drawn Lewis- Dot structure for SO₂? A B :O: O: •S: C 5.20 :S:…

A: Note : Sulphur is having 6 valency electrons. Oxygen is having 6 valency electrons. SO2 valency…

Q: 1. 2 Class of compound Name Structure H H O CH₂

A: To determine claas of compound , we would check the hetero-atoms present .  To write name we would…

Q: (t.)

A: Given that r(t)=(t2-8)i+tjTo find T(t) and N(t) at the point where t=8

Q: How many moles is each of the following? 15.5 g SiO2 0.0688 g AgCl 5.96 g KOH 937 g Ca(C2H3O2)2

A: Number of moles = mass molar mass 1) 15.5 g SiO2

Q: Write the radioactive decay stated in the following: a. nuclear fission of Uranium-235 to form…

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Q: 3.75

A: Molarity of HCl = 0.199 M Volume of HCl = 25.0 mL mmol of HCl = M × V = 0.199 ×25 = 4.975 mmol…

Q: You perform an electrochemical reaction in which 0.300  mol of Cu++ are reduced to solid Cu How…

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Q: The activation energy of a reaction can be determined from the slope of which of the following…

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

Q: For this experiment I prepared two solutions: each was an injection of 15 microliters of pure acetic…

A: 1 μL = 10-6 L 1 L = 1000 mL Volume of acetic anhydride (MW = 102.09 g/mol) taken in mL, V = 15.9 μL…

Q: During the titration of 20.0 ml 0.115 M HCl, 12.2 ml of 0.204 M NaOH was already added. Calculate…

A: Here we are required to calculate the pH of the solution when 12.2 ml of NaOH is added to HCl…

Q: Which of the species listed has a Lewis structure with only one lone pair of electrons? CO3²- O F2 O…

A: Lewis structure: Representing the covalent bonding that indicates where the valance shell electrons…

Q: 1. Which one of the following statements is not correct? (a) The value of equilibrium constant is…

A: Given, which statement is not true about catalyst.

Q: Complete the ff nuclear equations. Write the mass number, atomic number, and symbol for the…

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: How many moles is each of the following? show complete solution pleaseee 15.5 g SiO2 0.0688 g AgCl…

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Q: The reform reaction between steam and gaseous methane (CH₂) produces "synthesis gas," a mixture of…

A: Answer: This question is based on ideal gas equation which is shown below: PV=nRT Here: P=Pressure…

Q: In this experiment we consider the hydrolysis of dilute acetic anhydride in water where we will…

A: A functional group is an atom or group of atoms other than the hydrocarbon chain that is responsible…

Q: The pressure of a sample of gas is measured with a closed-end manometer, partially shown below. The…

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Q: Calculate the cell potential for the galvanic cell in which the reaction   Ti(s)+Co2+(aq)↽−−⇀…

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Q: 8. 2. The coagulation values in millimoles per litre of the electrolytes used for the coagulation of…

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Q: Sam wanted to perform a chemical reaction using 8.22 moles hydrogen gas and 4.11 moles of oxygen gas…

A: To Calculate mass from moles , we would use formula :  Mass = Moles × Molar mass

Q: Write the chemical formula of the following complex ions. formula name 0 hexabromomolybdate(V)…

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Q: Consider the following 2 Cr** (aq) + Ni (s)- which of the following statements are correct? Choose…

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Q: Answer the following questions based on the structures of cis and trans 1,2- cyclohexanediols.…

A: 1. i. Ha, Hb are replace by chlorine given the enantiomers. Therefore Ha and Hb are enantiotopic.…

Q: ris(hydroxymethyl)aminomethane, commonly called TRIS or Trizma, is often used as a buffer in…

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Q: What is the mass of the solute in 750mL of 0.311M potassium bromide? Group of answer choices 27.8g…

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Q: If a soft drink is bottled at 5.0 × 105 Pa pressure, and the partial pressure of CO2 in the…

A: Given data Pressure in soft drink bottle (before opening) :pCO2=5.0×105 Pa And partial pressure of…

Q: Example 6. Exactly 0.4 faraday electric charge is passed through three electrolytic cells in series,…

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Q: Use the provided information to calculate AGran (kJ) for the following reaction at 449.0 K. R =…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: Round your answers to 6 decimal places. Box your final answers.

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Q: The protecting power of lyophilic colloidal sol is expressed in terms of (a) coagulation value (b)…

A: 9. b->The protecting power of lyophilic colloidal sol is expressed in terms of gold number

Q: For the titration of 25.0 ml of 0.340 M HCI against 0.501 M NaOH, what volume of the titrant is…

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Q: Plastic 1. What are the general properties of plastics? low cost, easy to manufacture, durable,…

A: The general properties of plastics are :-  i) Low cost. ii) Easy to manufacture. iii) Durable iv)…

Q: The Michaelis-Menton constant is best thought of as ... both a rate constant and an equilibrium…

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Q: Enter your answer in the provided box. A constant current is passed through an electrolytic cell…

A: Faraday's first law :-  The mass of the substance deposited at electrode is directly proportional to…

Q: A chemist prepares a solution of sodium thiosulfate (Na₂S₂O3) by measuring out 18. g of sodium…

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Q: Example 9. In an electrolysis experiment, a current was passed for 5 hours through two cells…

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Q: The decomposition of hydrogen peroxide, 2 H₂O(aq) → 2 H₂O(l) + O₂(g), follows first-order kinetics…

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Q: What is the value of K for each of the following reactions; a.) 2CH4(9 C₂H2(g) + 3H2(g) CoCl₂(g) b.)…

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Q: 1.5. A 3.87 mg sample of an unknown organic compound is subjected to combustion analysis. The…

A: For this compound first calculate moles of C and H. Using that find moles and mass of O and then…

Q: Assign an oxidation state to each atom in the following com a. H₂O b. K₂O c. MgH₂

A: Oxidation number is the partial or imaginary charge present on an atom in the compound.

Q: Write the K expression of the following reactions. a) Ca(OH)2(s) + CO₂(g) b) N2H4(0) N2(g) + 2H₂(g)…

A: In this question we have to tell the KC of the given reaction.

Q: A =+300K/ the cycle w

A: Given that, Q1=300 kJ,      at    T1=900 K,Q2=500 kJ,      at    T1=1000 K,Q3=-300 kJ,   at…

Q: What is the [H+] of a 0.650 M solution of acetic acid? Ka (acetic acid) = 1.8 x 10-5.

A: Given : Concentration of acetic acid = 0.650 M  Ka = 1.8 x 10-5

Q: Consider the following anions. Rank from most to least spread out. B) مد no resonance D O<S atomic…

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Q: Use the following information to determined AGran (kJ/mol). 2H₂S (g) + 302 (g)2SO2 (g) + 2H₂O(g)…

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Q: Draw the major product of the following reaction and enter its InChI code in the space provided. OCH…

A: In this question we have to tell the major organic product of the reaction.

Q: Select the statements below that are true: O b. The enthalpy of the reactants cannot be directly…

A: Answer: Enthalpy is the total heat content of the system. It basically involves the internal energy…

Q: Molecular Shape Practice For each of the following: 1.) Draw the Lewis structure. 2.) Make sure the…

A: Here we have to write Lewis structures  and shape of the following molecules .