What is the standard value/limit/range of viscosity used as a reference when determining the viscosity of syrup? (Based on United States Pharmacopoeia and British Pharmacopoeia)
Q: 20.0 mL of 0.250 M sodium chloride is added to 25.0 mL of 0.200 M silver (I) perchlorate, what mass…
A: We will first calculate the number of moles of sodium chloride and moles of silver (I) perchlorate.…
Q: Draw the organic products of the reaction shown. Draw hydrogens on oxygen and nitrogen where…
A: When we react imines with HCl and water it forms carbonyl compound (aldehyde/ketone) and amines.…
Q: Write the systematic name of each organic molecule: structure NH₂ name 0 0 0
A: Information of question
Q: 3. Which of the Fischer projections correctly represents the isomer shown? Select all that apply. OH…
A: A Fischer projection is a two-dimensional representation of a three-dimensional organic molecule,…
Q: The binding energy for boron-10 is 6.247 x 1012 J/mol. Calculate the atomic mass of ¹0B. amu
A: Binding energy is the energy required to disperse or remove particles from a system, with…
Q: A buffer solution is made that is 0.368 M in HCN and 0.368 M in KCN. If K₂ for HCN is 4.00 × 10-¹0,…
A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.It is…
Q: 1) The ratio strength of a 10mL vial of neostigmine methylsulfate injection USP is 1:1500. Calculate…
A: Ratio strength is one of the ways of expressing drug concentration in terms of a ratio. It is…
Q: 9) Order the following by increasing entropy. CO(g), COC12(g), CO2(g). CaO(s) A) CO2< CO< CaO <…
A:
Q: 6. Provide the major organic product for the following reaction. COOH Br Da H3CO HN 1. LiAlH4 2.…
A: The given reaction is a simple reduction reaction in presence of LiAlH4.. Reduction means the…
Q: 2. Describe how you would go about in the lab making 100 ml of a buffer solution of 0.10 M acetic…
A: Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…
Q: Why is the oxidation state for K:+1 and O:-2, in KO2?
A: The oxidation state, or oxidation number, is the hypothetical charge an atom would have if all its…
Q: Name each of these common acids. (a) H₂SO4(aq) (b) HNO₂(aq) (c) HCl(aq)
A: Name each of the given common acids a) H2SO4 (aq)b) HNO3 (aq)C) HCl (aq)
Q: Arrange the highlighted bonds in the table below in decreasing order of polarity. That is, pick 1…
A:
Q: A buffer solution was prepared by adding 4.75 g of sodium acetate, NaCH3 CO₂, to 2.50 x 10² mL of…
A: Given,Mass of Molar Mass of Moles of Volume of the Solution = 2.50 x 102 mLMolarity of The…
Q: Write the common (not systematic) name of each organic molecule.
A: A question based on the nomenclature of organic compounds. Structures of 3 organic compounds are…
Q: In each row, select the molecule with the highlighted H atom that is more acidic. H مت اور H H S. S
A: Acidity is defined as the ability of a molecule to release protons.&nbsp; If a…
Q: what reaction can make the following product (Aldol, Michael, or Claisen) What reaction can be used…
A: The alpha hydrogen of carbonyl compounds is acidic in nature and it is removed as a proton in…
Q: What is the major product of the following reaction? nha 1. 11. III. Br a nha Br IV. Br- Br V. VI.…
A: The question is based on organic reactions.We need to identify the product and explain its…
Q: Calculate the pH for each of the cases in the titration of 25.0 mL of 0.230 M pyridine, CH-N(aq)…
A: The question belongs to titration reaction in which pH calculation is asked. The reaction is between…
Q: 9. Provide the structure of the product in the following reaction но. OH H H*
A: Information of question
Q: If a diprotic acid, H2A, has a pK1 = 2.20 and pK2 = 9.31, what is the principal species of this…
A: To determine the principal species of the compound H2A at pH 5.13, we need to compare the pH value…
Q: Draw a structural formula for the major organic product of the following reaction: CH₂ -CH=CHCOH Cl₂…
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: Draw the structure of a dibromide that could be used to prepare the following alkyne via…
A:
Q: What is the reaction mechanism for ethyl 2,4-diphenylacetoacetate by a Claisen condensation with…
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: Provide the product(s) of radical bromination for the following substrate:
A: Carbon radical is a electron deficient short lived species which is generally obtained with the help…
Q: How many kinds of chemically non-equivalent carbons are there in each of the following compounds? a…
A: The number of signals in the carbon-13 spectrum is equal to the number of different types of carbon…
Q: Is there a molecule that could have the common name "methylmalonic acid"? If so, draw its skeletal…
A:
Q: Check the box under each compound that exists as a pair of mirror-image twins. If none of them do,…
A: An organic compound exists as a pair of mirror- image twins if there exists chiral center.->…
Q: 17. Which product would you expect from the following reaction? & DOH OH I OH A) I B) II C) III D)…
A: The electrophilic addition of alkenes follows Markovnikov's rule.According to Markovnikov's rule the…
Q: When an ion-selective electrode for X+ was immersed in 0.0362 M XCI, the measured potential was…
A:
Q: Propose a mechanism for the following reaction. Draw out the each step of the reaction including ALL…
A: The given reaction is shown below.We have to draw the mechanism of the above-given reaction.
Q: Give the IUPAC name for the following compound. CN
A: Rule of IUPAC:1) Longest chain as parent chain.2) Numbering start from those side where more prior…
Q: k the elements or compounds in the table below in decreasing order of their boiling points. That is,…
A: We have to determine the order of boiling point for the molecules given below.
Q: Draw the condensed structure of an isomer of this molecule: CH₂=CH-CH=CH-CH₂CH3
A: Condensed structures are those structures which is written in such a way that it omit all the single…
Q: 6. Which of the following is a possible set of quantum numbers that describes an electron? (a) n =…
A: According to quantum mechanics, there are four types of quantum numbers. The electrons are filled in…
Q: 7) How many mono-brominated products including stereoisomers exist for the following reaction. Draw…
A: N-Bromo succinimide (NBS) is the best reagent for allylic bromination. The reaction proceeds via a…
Q: 3) What is the product of the following reaction? ????? Br₂ H₂O I II OH B
A: Organic compounds are compounds that contain carbon and hydrogen atoms.We have been given an organic…
Q: How many liters of a 0.73 M MnO4 solution is required to react with 0.673 liters of a 0.77 M NO₂…
A: The question is based on the concept of molarity.molarity is a method of expressing concentration of…
Q: ive detailed Solution with explanation needed.. Don't give Handwritten answer
A: Michael addition is the 1, 4-additon of nucleophile to the -unsaturated carbonyl compounds. This is…
Q: Using any data you can find in the ALEKS Data resource, calculate the equilibrium constant K at 25.0…
A:
Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…
A: The objective of the question is to identify the species that will act as-AcidsBasesOther
Q: For each organic reaction, say whether at equilibrium there will be more reactants than products (so…
A: Whether equilibrium lies on the right side or left side depends upon the acidity of the reactant and…
Q: 11. What is the major organic product obtained from the following reaction? -Br a. 1 b. 2 3 A C. d…
A: Given reaction is between alkyl halide and NaOEt which results into an alkene.
Q: What are the formal charges on each of the atoms in the PH4* ion?
A: The formal charge can be calculated using the expression:Formal charge = [Total no. of valence…
Q: 13.42 (a) (b) (c) (d) Each of the compounds indicated undergoes an intramolecular Friedel-Crafts…
A: The Friedel Craft reaction is one of the very important reactions which leads to carbon bond…
Q: 4. Write the chemical equation for the iodide-catalyzed decomposition of H₂O2.
A: A question based on an introduction to chemistry. Idodide catalyzed decomposition of H2O2 is to be…
Q: Which of the following mixtures would result in a buffered solution when 1.0 L of each of the two…
A: Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…
Q: 12. A solution contains 1.12 M carbonic acid. What is the concentration of the carbonate ion at…
A: The question is based on the concept of chemical equilibrium.We need to calculate equilibrium…
Q: 12(g) = 21(g) A system at equilibrium contains l2(g) at a pressure of 0.27 atm and I(g) at a…
A:
Q: A buffer solution contains 0.316 M NaH₂PO4 and 0.209 M Na₂HPO4. Determine the pH change when 0.056…
A: Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…
Step by step
Solved in 3 steps with 3 images
- The density of liquid NH3 is 0.64 g/mL; the density of gaseous NH3 at STP is 0.0007 g/mL. Explain the difference between the densities of these two phases.Provide a molecular interpretation for the observation that the viscosity of a gas increases with temperature, whereas the viscosity of a liquid decreases with increasing temperatureRelate viscosity to strength of IMFs among liquid molecules
- The concentration at which micelles first form in solution is known as critical micelle concentration (CMC), explain briefly how the critical micelle concentration can be determined/measured? You may use figures to help illustrate your answer.Q3) Estimate the viscosity of aniline at 20 C.(a) Would you expect the viscosity of n-pentane,CH3CH2CH2CH2CH3, to be larger or smaller than the viscosityof n-hexane, CH3CH2CH2CH2CH2CH3? (b) Wouldyou expect the viscosity of neopentane, 1CH324C, to besmaller or larger than the viscosity of n-pentane? (See Figure11.6 to see the shapes of these molecules.)
- Why would industry prefer to purify solids by sublimation or zone refining rather than recrystallization? (Hint: is there anything wasteful about recrystallization)11. Melting point temperatures are frequently used to help identify unknown solids and determine their purity. How would the melting point of a pure solid sample compare to that of the same solid contaminated by a solid impurity? Explain.What should be the surface tension of a liquid if its density, which is 1.44 g/cc, is the same as that of the calibrating liquid? The displacements of the liquid and the calibrating liquid inside the capillary tube are both 0.5 cm. The surface tension of the calibrating liquid is 29.4509 dynes/cm. * O 29.5409 dynes/cm 35.9587 dynes/cm O 14.7255 dynes/cm O No answer from the choices