Which of the following below are endothermic process(es)? One or more processes may be chosen. Explain why. a. In the freeze-drying of coffee, ice is converted directly to gas at low temperature and pressure. b. In a fractionating column, components of crude oil vapors liquify at different levels according to their boiling points. c. In the hands of an artist, molten glass is shaped into glass ornaments of various shapes and sizes.

Q: 9b. Name the complex ion Cr(CN)(NO₂)(H₂O)(NH3] and note that it can exhibit chiral properties. There…

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Q: What is the number of moles of glucose (CH₂O) in 0.500 L solution? of a 0.40 M

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A: The quantitative analysis of anion can be understood as-

Q: 시

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A: To answer which molecules will not be separated if the amount of sample is doubled.

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A: Correct option is B.

Q: Provide the most condensed formula for this compound, using parentheses and subscripts. ch2ch2ch3…

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Q: Write down the structural, molecular, and empirical formula of 1,1,-dribomo-3,3-difluorobutane

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A: Here we are required to predict the product of the reaction.

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A: In the given question we have to calculate the volume of stock solution  consider,  0.300 M NaF as…

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Q: IUPAC name

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Q: (d) 2 C(graphite) +202(g) → 2CO2(g) (b H2(g) + 1/2O2(g) → H₂O(1) (e) 2 CO2(g) + H₂O(l) → C₂H2(g) +…

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Q: 2. Different marker inks were analyzed using a simple paper chromatography experiment. Two marker…

A: To calculate the retention factor of each spot from A to E.

Q: The ORSAT analysis of a flue gas is: Note: 100 mole of flue gas..…

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Q: Name 1s B. On the following coordinate axes, draw a complete set of p orbitals (one on each set of…

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Q: 1. Subject the resulting alkyne above to the following reactions (show also the steps and the…

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A: given, mass of valproic acid = 64.5 microgram

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Q: Assuming an ideal gas behavior, calculate the density of n-butane at 220°F and 50 psia.

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Q: 26 1 0 14.12Mg+On → le+. O26 11 Na O 27 13 Al 27 11 Na O O 27 12Mg

A: The Correct Answer is Option C Na [ Mass Number- 27 & Atomic Number - 11]

Q: 29 20. What information cannot be determined from the symbol notation 14.Si? O the element the mass…

A: Information  which can not be determined  by above symbol are as follow.

Q: Which of the following statements is INCORRECT about the difference in the physical properties of…

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Q: What will be the effect on the calculated heat capacity of the styroball calorimeter if the test…

A: Heat capacity = Mass * Specific heat capacity * Temperature change

Q: For a certain chemical reaction, the standard Gibbs free energy of reaction is 139. kJ. Calculate…

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Q: HH H-C-O H H-O JOH a glucose (an aldohexose) CH1₂O & H-OHHO-H Construct a model of glucose. You will…

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