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Q: AH"pxn = 456.7 kJ/mol AH rxn A- 2B A-C = -22.1 kJ/mol Determine the enthalpy change for the process:...

A: Since you have posted multiple questions We will solve the first question for you. To get the remain...

Q: What is the expected freezing point for a 105.357 g solution that contains 6.906 g of acetone, C,H,O...

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Q: Given the thermochemical equation SO2(g) + 1/2 O2(g) ---> SO (g) ΔH = -99kJ/mol how much heat is evo...

A: Given :-  SO2(g) + 1/2O2(g) → SO3(g)  ∆H = -99kJ/mol  To calculate :-  amount of heat evolved from ...

Q: product

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Q: 0.500 g of ethanol [CH3CH2OH(l)] was burned in a bomb calorimeter. The temperature of the water rose...

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Q: 1. Consider the following hypothetical reaction at equilibrium: 2A (g) + B (g) = 2C (g) At 400 K, th...

A: We have to predict the direction of equilibrium.  

Q: 4) Draw the correct structures for the following: phenol meta-nitrophenol nitronium cation para- nit...

A: Answer - 4  To draw the structure for the given Compound :- 

Q: For a particular process, if the change in enthalpy is -69.8 kJ and the change in entropy mol kJ )? ...

A: Given :-  ∆H = -69.8 kJ/mol  ∆S = 84.3 J/mol.K  T = 61°C  To be calculated :-  ∆G (in kJ/mol)

Q: 1. The reaction between ozone and nitrogen dioxide at 231 K is first order in both [NO2] and [O3] 2 ...

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Q: Question 13 Calculate K for N2H4+2 H202 N2+4 H20 based on the following data: N2H4 - 02 N2+ 2H20 K= ...

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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: An aqueous Na;PO, solution is made using 42.3 g of Na,PO, diluted to a total solution volume of 2.00...

A: Given :- Molar mass of Na3PO4 = 163.94 g/mol Given mass of Na3PO4 = 42.3 g Density of solution = 1.0...

Q: C. PARAFFIN 1. Place a paraffin about the size of a rice grain in a dry test tube. Warm gently and a...

A: Paraffin is a petroleum product. It is a highly branched saturated hydrocarbon of alkane class. So, ...

Q: Question 2 The reaction 2NO2 2NO+O2 (K=0.50) is at equilibrium when PNO2=0.16 atm and PO2 = 0.22 atm...

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Q: 3) What volume (in mL) of guanidine, CH5N3, is required to prepare 250 mL of the following solutions...

A: A question based on concentration terms that is to be accomplished.

Q: The chemical formula for t-butanol is: (CH;), Calculate the molar mass of t-butanol. Round your answ...

A: Molar mass is nothing but sum of the atomic masses(g/mol)  of each type of atom present in the given...

Q: Question 3 Calculate the pH of the following solutions: 0.035 M HNO3 solution 5.25 x 10° M Sr(OH)2 s...

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Q: If you have multiple analytical balances to use during a lab, why do you think it is important to us...

A: Because our analytical balance is calibrated according to your needs so if we use different analytic...

Q: During the 5→2 orbital transition of a Hydrogen atom, an electron releases 4.8×10-19J, what is the w...

A: The energy of the photon is = 4.8 x 10-19 J The wavelength of the photon is =? The color of the phot...

Q: CONVERSION FORMULA

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Q: Question 16 How many grams of Mg3(PO4)2 can dissolve in 500 mL of water given that Mg3(PO4)2 has a K...

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Q: How many moles of C2H4 contains 2.75x1023 atoms of H?

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Q: Calculate the value of the equilibrium constant, Kc , for the reaction   Q(g)+X(g)↽−−⇀2M(g)+N(g) g...

A:  the value of the equilibrium constant, Kc , for the reaction   Q(g)+X(g)↽−−⇀2M(g)+N(g)........(0) g...

Q: Sn aAPs HIM UQUSanb Jaunoue o SuC Question 2 How many ml. of 0.22M KCOH must be added to 100 ml of 0...

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Q: What mass of nalt (NaCI) ahould you add to 1.00 L of water in an ice cream maker to make a solution ...

A: Since you have posted multiple questions, we are entited to answer the first only. Given: Volume of ...

Q: 9. Use the following thermochemical equations as needed to find the heat of formation of diamond: C(...

A: Given equations are : 1). C (diamond) +  O2 (g)  --------> CO2 (g) , ΔH1 = -395.4 KJ  2). 2CO2 (g...

Q: Comment on the general features of the predicted (extremely simplified) 1H-NMR spectrum of lycopene ...

A: 1H NMR analysis:

Q: The following chemical reaction HI(g) + CH,I(g) → CH,(g) + L(g) is characterized by the experimental...

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Q: balance

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Q: 4/ ________ is isoelectronic with scandium. Sr2+ Mn5+ Mn4+ Mn4- Mn

A: ANS. MN+4

Q: Ethanolamine, HOC2H4NH2 , is a viscous liquid with an ammonia-like odor; it is used to remove hydrog...

A: Weak base are bases which does not dissociate completely to furnish hydroxide ion when dissolved in ...

Q: Given the following organic compound, what type of polymer is being shown in the diagram and how man...

A: Here, an compound is given have to determine the type of bonding in the compound and how many bond b...

Q: 1. Iron (III) sulfide reacts with hydrochloric acid according to the reaction.  FeS (s) + 2HCL (aq)...

A: Given chemical reaction :  FeS (s) + 2HCl (aq) ---> FeCl2 (s) + H2S (g)   

Q: A 50.0 mL sample of 0.350 M HBr is titrated with 0.200 M KOH. What is the pH when 50.0 mL of KOH has...

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Q: く く く く Indicate whether each of the following relationships between gas variables is direct or inve...

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the numbe...

Q: Charles LAW A Sample of from 380ML to 2 30 mL. If its tinal temperature as-ss°c, what was its origin...

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Q: Frenkel defects exist in ZrO,. For each of these defects, note how many of the following vacancies a...

A: Solution                         We know that Hence Right option is (b) Zr4+ interstitials  

Q: а. -TI- b.

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Q: Describe the contributions of the alchemist to the science of chemistry.; Give at least 10 sentences

A: Answer - Alchemy was a discipline that has roots in the ancient world but flourished during the Midd...

Q: 8. Rank each of the following in order of most basic (1) to least basic (4). Explain the reasoning f...

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Q: ny grams of o inds of ontor

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Q: Suppose a 500. mL flask is filled with 0.20 mol of CH, 1.7 mol of CO and 1.2 mol of H,. This reactio...

A: Given Reaction :-  CH4 + H2O(g) <------> CO2(g) + 3H2(g) Volume of flask = 500.0mL Number of m...

Q: What is the correct name for the following compound? Option 1: N-ethyl-N-methyl-1-oxopropanamine Opt...

A: What is the correct name for the following compound?

Q: Chorles Law K ocauies a uolunme Of sOomL. Fluorine gas Ot 305 K To what temperakre Shauld it be lowe...

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Q: 1) Perform the following unit conversions: a. 35.7 moles to umol b. 0.065 mL to µL. c. 0.756 g/ml to...

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Q: refer to the structure 1. This drug may likely bind to what protein? a. Alphaglycoprotein  b. Bil...

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Q: For the following reaction, 10.3 grams of propane (C3H9) are allowed to react with 21.3 grams of oxy...

A: Propane reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical ...

Q: 13. Provide a mechanism for the chain radical mechanism, using curved arrow formalism, of the reacti...

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Q: Balance using the half reduction method. Assume this is acidic, so add no OH- MnO,(s) + HO,(aq) → Mn...

A: Solution - According to the question - Given reaction - MnO2(S)  + HO2-(aq) -----> MnO4- (aq) The...

Q: Consider the following reactions: Reaction 1: HC1O, + KOH → KC1O, + H;O Reaction 2: HC;H;O2 + KOH → ...

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.