100-1000uL Pipette, what is the lowest volume that you would feel comfortable pipetting? Why?

Q: Calculate and report the energy, in units of joules, associated with each absorbance maximum.

A: We have to calculate the energy in joules of the given absorption maxima. The given absorption…

Q: Why can monosaccharides and disaccharides can be identified using the osazone test?

A: Phenylhydrazine reacts with Aldoses and ketoses to form osazone. Carbohydrates having aldehyde and…

Q: Show that the reaction is not spontaneous under standard conditions by calculating A.G. Express your…

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Q: Draw the molecular orbital (MO) electron diagram for the Be₂ molecular ion. Be sure your diagram…

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Q: Structural form of Fischer projection and Haworth projection of  D-Mannose

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Q: The (2-aminoethyl)phosphine ligand, acts as a bidentate ligand with metals of Transition. i) How…

A: The structure of (2-aminoethyl)phosphine ligand is

Q: A two-component mixture is analyzed by paper TLC. Component A is more soluble in the mobile phase…

A: Note : Compound A is more soluble in mobile phase. Therefore compound A is less polar and having…

Q: Cl -OCH₂CO₂H Show how 2,4-Dichlorohenoxyacetic acid or 2, 4-D can be 2,4-dichlorophenoxyacetic acid…

A: Phenols react with NaOH and gives phenoxide ion. Phenoxide react with alkyl halide gives phenoxy…

Q: coloured and why? Explain. Example 8. Which of the following ions are expected to be 3+ 2+ Cut,…

A: The element which have unpaired electron is coloured. As unpaired electron can absorb energy and…

Q: 2. Draw the complete, detailed mechanism (curved arrows) for the addition of HCI and water to…

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Q: The table below shows experimental data from the x-ray diffraction of a crystal sample. Determine…

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Q: What is the IUPAC name of this compound?

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: Give the mechanism of given 03 Joleow reactions > CH3CH2CEC - CH CH

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Q: efficiency

A: We know that, In chromatography, column efficiency is measured in terms of number of theoretical…

Q: Half-reaction E° (V) Cl₂(g) + 2e →→→ 2Cl¯(aq) 1.360V Cd²+(aq) + 2e → Cd(s)-0.403V Cr³+(aq) + 3e¯…

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Q: coffee-cup calorimeter contains 20 mL of water with an initial temperature of 24.8°C. An unknown…

A: All the necessary calculations have been done in the following step.

Q: Question #: 1 Which of the following can be used to prepare 2-aminopentane (pure)? KON 2trumpete C…

A: Given  Which of the following can be used to prepare 2-aminopentane = ? Options are :

Q: How many mL of 0.637 M HI are needed to dissolve 8.01 g of MgCO3? 2HI(aq) + MgCO3(s) MgI₂(aq) +…

A: Given-> Molarity of HI = 0.637 M Weight = 8.01 gm

Q: At a particular temperature, K= 3.75 for the following reaction. SO₂(g) + NO₂(g) = SO3(g) + NO(g) If…

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Q: Q. 3. Copper metal was obtained in middle east from charcoal reduction of its ores. Copper is…

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Q: A coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C. An unknown…

A:

Q: If this lab involved a gas instead of an ionic solid then describe the trend you would see between…

A: Given: To explain the trend of solubility of gas with changing temperature.

Q: For the following reaction, 15.9 grams of chlorine gas are allowed to react with 7.20 grams of…

A: Mass of chlorine = 15.9 g Mass of water = 7.20 g Molar mass of Chlorine = 70.90 g/mol Molar mass of…

Q: AHrxn AS rxn AGrxn AS universe >0 0 low T, 0 high T

A: For the Given reaction, 2NH3(g) + 3 N2O → 4N2(g) + 3 H2O(g)

Q: 800 600 PE (KJ) 400 200 100 705 kJ 497 kJ 175 kJ Reaction Progress Created by E. Lee for Virtual…

A: ->Activation energy of forward reaction is energy difference between activated complex and…

Q: EO = Eº 1.500V = 3+ / Au is more and hence it will reduce. Eº 1.500V Cathode Eº 0.440V = Anode -…

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Q: QUESTION 3 A 25.3-g sample of potassium sulfate is dissolved in 350.0 mL of solution. Calculate the…

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Q: Given (alfa)-Fe2O3 List all its: Structural properties Physical properties Chemical properties…

A: Those properties which explain the structure of a compound, the position of atoms and how they are…

Q: A 10.0 L tank at 0.6 °C is filled with 3.23 g of sulfur tetrafluoride gas and 17.3 g of dinitrogen…

A: Given: Volume of tank = 10.0 L Temperature = 0.6 oC Mass of sulfur hexafluoride i.e. SF6 = 3.23 g.…

Q: rue or False, formation of the major product has a lower activation energy in the rate determining…

A: 1) Formation of the major product has a lower activation energy in the rate determining step than…

Q: The enthalpy of combustion of methane (CH4) is 890 kJ/mol, which is released as heat. Calculate the…

A: Given One mole of methane is released 890 kj of heat

Q: Draw the following structures on MolView. Obtain the charge and bond dipoles of each structure.…

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Q: Differentiate frutescent and suffrutescent

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Q: Provide all products AND mechanisms for the following reactions (no transition states or energy…

A: Given reactions are : Provide all products and mechanism of the given reactions = ?

Q: Which alkyl bromide would give the highest yield (be the best choice) to do an alkylation reaction?…

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Q: Pentane has a [Select] hexane has a [Select] Butane has a [Select] pentane has a [Select] pentane is…

A: Here we are required to compare the solubility and boiling point of various organic compound

Q: Thank you! Required info: The mass of 1 mol of 13C (carbon-13) is 13.003 g a) what is the mass in u…

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Q: Determine if the synthesis of sulfuric acid is a spontaneous reaction at 25°C. Chemical Equation: S+…

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Q: Without doing a calculation, predict the sign of ΔS for each of the following reactions:

A: Given : We have to predict the sign of entropy.

Q: Cerium. 2. Why is it not advisable to dissolve KMnO4 in conc. H₂SO4?

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Q: The acid-dissociation constant (Ka) of hydrocyanic acid (HCN) at 25.0°C is 4.9 × 10-10. What is the…

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Q: Using the table of the weak base below, you have chosen Methylamine as your weak base in the buffer…

A: Given: pH of buffer = 9.75

Q: synthetic route + 0 |||

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Q: 13. What is the definition of standard condition when working with free energy?  A. ions or…

A: Entropy of a system can be defined as the degree of disorder in the system or degree of randomness…

Q: The rate of a certain reaction is given by the following rate law: rate = k [NO] ² [0₂] Use this…

A: The given rate law for the reaction is: rate = k[NO]2[O2]

Q: GMU 737664 What is the expected product A for the following intramolecular aldol reaction? O CH3 O…

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

Q: A. ENDOTHERMIC AND EXOTHERMIC REACTION: Decide whether each of this reaction is exothermic or…

A: Given,

Q: Write a nuclear equation to describe the neutron induced fission of Pu-240 to form Kr-89 and Ce-149,…

A: Note: As per the guidelines, solution of the first question has been made. For the expert solution…

Q: Determine if the redox reaction of iron and water to form ferric chloride is spontaneous at 29°C.…

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Q: V. Predict the major product of the following reactions. Draw and name the products. NaH 1. KMnO4 2.…

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.