which of the following processes produces a decrease of the entropy of the system? dissoling sodium chloride in water explosion of nitroglycerine sublimation of napthalene dissolving oxygen in water boiling of alcohol

Q: A product rate constant 2 1/5 105 X 10-3 M-151. if the initial concen- M² ²5 tration of A is 0.301…

A: Rate constant (k)= 7.5 x 10-3  M-1 S-1 Initial concentration = 0.301 M Time = 13.7 s

Q: Optimum cell concertation is  very important for successful bone marrow culture.    A technologist…

A: Given that, Initial concentration of bone marrow (C1)=20*106cell/ml  Volume of this bone marrow was…

Q: Complete the fourth row of the table. Express the temperature in degrees Celsius to three…

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Q: Consider an aqueous solution containing H+, OH−, Ca2+, “H2CO3” [actually mostly CO2(aq)], HCO3−,…

A: Given species are: H+, OH−, Ca2+, “H2CO3” [actually mostly CO2(aq)], HCO3−, CO32−, Ca(HCO3)+,…

Q: In a red colored solution containing a cobalt-containing chemical, how could you easily estimate the…

A: To only get a ease estimate. We simply compare with the cobalt solution with varying concentration.

Q: If a reaction involving a single reactant is first order with a rate conatsnt of 4.50 x 10^-2 s^-1,…

A: Here we are required to find the time needed for first order reaction to be 53% of initial…

Q: which reaction is an example of elimination

A: Here we are required to find the reaction which is an example of elimination reaction.

Q: Redox reaction: lodine Topical Solution, USP (Sodium iodide content)   1. State all the chemical…

A: This redox reaction involves S2O32- ions and I2 The half reactions are S4O62-+2e- ⇌2S2O32- Eo =0.08…

Q: A reaction is shifting right toward equilibrium, this means that O Q K O Q=K O Q < 1

A: The given question is based on the concepts of  chemical equilibrium.

Q: chlorous acid hydrocyanic acid lactic acid nitrous acid < HCIO, Order these acids from weakest to…

A: Given the values of Ka along with the acids:  We will determine the answers by the value of Ka as :…

Q: BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) MnO₂ + CrO3 → Mn + CrO4 CONTENT SHOULD…

A: We have to find the balanced redox reaction for the following: MnO2 + CrO3-     ----&gt;  Mn + CrO4-

Q: 4. Calculate the amount of energy absorbed when 5g ice @ 0°C melts to water at 0°C. Did a phase…

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Q: Does the presence of a benzene ring or carboxylic acid functional group in a substance affect the…

A: General concepts of TLC analysis

Q: Determine the volume of 0.205 MM KOHKOH solution required to neutralize each sample of sulfuric…

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Q: Re-call that the Beer-Lamber law applies only over a certain range of concentrations. This range…

A: Beer's law or Beer-Lambert law: It states that the absorbance of a compound is proportional to the…

Q: Describe two ways to fold a filter paper to be used for filtration. Include diagrams for the…

A: Technically speaking, filtration is the act of removing suspended solids from a liquid by forcing…

Q: ded for this question. An aqueous solution of perchloric acid is standardized by titration with a…

A: Given data :

Q: [References] Use the References to access important values if needed for this question. In the…

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Q: A 10.5 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

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Q: Consider a situation in which acid rain has heavily polluted a lake to a level of pH 4. An…

A: The value of pH expresses how much concentrated the acid solution is.

Q: when a nonvolatile solute is added to a volitile solut, the solution vapor pressure ________ the…

A: colligative properties are those properties of solutions that depend on the ratio of the number of…

Q: What is the pH of an aqueous solution of KNO₂? (Hint: Split the compound apart into separate ions,…

A: If pH is less than 7 than solution is acidic in nature.   If pH value is more than 7  than solution…

Q: Answer the following question: Are the following solutions isotonic, hypotonic, or hypertonic…

A: Given  a) Distilled H₂O c) 0.9 % (m/v) Na CI b) 1% (m/v) glucose d) 15 % (m/v) glucose

Q: 32. Assign/determine the oxidation states of each element in each species below: (a) N₂ (b) BH3 (c)…

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Q: 16- Lithium solid reacts with Nitrogen gas to form solid Lithium Nitride Li3N. In one experiment,…

A: Given that Solid Lithium metal reacts with nitrogen gas to form solid Lithium Nitride, Li3N. Mass of…

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A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: Which of the following reactions will NOT produce a carboxylic acid? CN 0 Question 50 Listen NH₂ CN…

A: Given are organic reactions.  We can get carboxylic acid from various compounds such as alcohols ,…

Q: BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) MnO2 + CrO3 → Mn + CrO4 CONTENT SHOULD…

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Q: aqueous solution containing 5.43 g5.43 g of lead(II) nitrate is added to an aqueous solution…

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Q: Use the oxidation number method to balance each ionic equation in an acidic solution

A: we have to balance the given reaction in acidic medium

Q: ми 2

A: Given molecular formula is C4H8O

Q: Heating/Cooling Curve Calculations 1. Calculate the amount of energy given off when 17 g of water…

A: Given data :  Mass of water = 17 g  Specific heat of water = 4.184 J/g°C  Initial temperature =…

Q: place the following in order of increasing entropy at 298K Ne Xe He Ar Kr

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Q: Determine the volume of 0.205 M KOH solution required to neutralize each sample of sulfuric acid.…

A: Given neutralisation reaction is H2SO4(aq) + 2KOH(aq) → K2SO4(aq)+2H2O(l) Volume of 0.205 M sulfuric…

Q: CL R* S O M Z

A: This Diagram is known as phase Diagram. Phase diagram is a graphical representation of the physical…

Q: am talking about this one on the ir spectroscopy we have carbon carbon double bond on benzen the…

A: In IR spectra each functional group has its own unique frequency range. Given molecule are Vanillin…

Q: Write the net ionic equation for the following molecular equation. NaCH3COO(aq) + Hl(aq) = Nal(aq) +…

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Q: Typical problem: Calculate pAgt for titration of 50.0 mL of 0.100 M Ag+ with 0.1000 M EDTA at pH…

A: The equation for the reaction between Ag+(aq) and EDTA4- or Y4-(aq) is: Ag+(aq) + Y4-(aq) ⇌…

Q: Macmillan Learning Calculate the standard potential, E, for this reaction from its equilibrium…

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Q: Chemistry please answer in basic solution.

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Q: What is the mass of 2.00 moles of Iron (III) oxide, commonly known as rust? Identify the: — Given —…

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Q: [References] Use the References to access important values if needed for this question. Write a net…

A: A net ionic equation is  chemical species that are involved in a reaction, while a complete ionic…

Q: 3Co + 2HNO3 + 6H+ --> 3Co2+ + 2NO + 4H2O. In the above reaction, the oxidation state of nitrogen…

A: We have the equation  3Co + 2HNO3 + 6H+ --&gt; 3Co2+ + 2NO + 4H2O We are to find the change in…

Q: 3. Draw the acid-base reaction products of sodium hydride and ethanol. Show using a curved arrow…

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Q: When 5.225 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 16.39 grams…

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Q: Consider the reaction below.  2.51 mol of A and 6.30 mol of B are added to a 2.0 L container.  At…

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Q: geometry, indicate the molecular shape, determine hybridization, and determine if polar/nonpolar,…

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Q: What if Br liquid is added? Will it have an effect on the shifting?

A: LeChatelier's principle: When the concentration of reactants is increased in a reversible…

Q: which of the following should have the lowest boiling point? NH3 N2 Na2S H2O HF

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Q: Covalent bond is formed by transfer of an electron from one atom to another and the consequent…

A: Most of the chemical bonds present in nature are mainly two types which are, (i). Covalent bond and…