Classify the following quantities if extensive or intensive property: 4 a.) Temperature b.) Mass c.) Weight d.) Volume

Q: 2 a и H Na₂Cr₂0 21₂0, NHS Cl₂cla, Acetone 10% pd/c, Ammarium formate Eto Ac Meok=1:1 E

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Q: Me & & Me cat. NaOEt EtOH Me &

A: This is Robinson annulation reaction. NaOEt act as base and EtOH is solvent.

Q: Guanine, as it would appear at physiological pH, is shown below. One of the pKas of guanine, which…

A: The protonated form at N7 is =NH+- The deprotonated form at N7 is =N- pKa of =NH+ is, pKa = 2.4

Q: calculate the electrochemical equilibrium of both ions, and show in which direction the netflux…

A: According  to the question we have, The membrane potential Vm = –70 mV The concentration of the…

Q: Name the structures of aldehydes and ketones below:

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: Q3: Distinguish by the mention of one detector between the compounds with giving the cause and the…

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Q: If the pOH of a solution is equal to 9.33, the pH of the solution is equal to 3.39. O True O False

A: Given  pOH of the solution = 9.33

Q: An analyst was measuring the performance of a HPLC column. The test solute was Toluene (5 µL). The…

A: To find out the mobile phase velocity, number of theoretical plates and height equivalent to…

Q: A cumulene has double bonds directly connected to each other. Identify all the atoms that must lie…

A: Given structure of cumulene is :  In cu Identify all the atoms that must lies in the same plane ?…

Q: 2. Grams to Moles Convert the following from grams to moles of the following. Write your solution…

A: To get the number of moles, at first we have to know the molar mass of the compound. Then deviding…

Q: The [H+] in a particular lake is 10-8.5. Use the formula pH = -log [H+] to determine the pH of the…

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Q: atoms or ions Ar, S, S 2- Si, Cl, S Br, I, F of decreasing 0,0,0 0,0,0 0.0.0

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Q: a solution containing Ag(NH3)2 and Cl-ions should be acidified before AgCl precipitates. Explain…

A: Qualitative analysis of metal cations or acid radicals can be carried out with the help of certain…

Q: 2. Calculate the density of an irregularly shaped solid if its mass is 50.2 g and its volume is 5.0…

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Q: Consider the reaction of ozone with hydrazine: 2 03(g) + 3 N₂H4(g) of 0.52 mol/s, what is the rate…

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Q: What NaCl concentration results when 289 mL of a 0.710 M NaCl solution is mixed with 627 mL of a…

A: Given, There are two NaCl solution: I) First NaCl solution  Concentration of the NaCl solution =…

Q: If 13,736 = 1.3736 x 10^n, What is the value of n?    Please give the value for n

A: This question is based on mathematical problem. Given that, If 13,736 = 1.3736 x 10n What is the…

Q: which of the following phase transitions is/are exothermic? 1. liquid water evaporating into the…

A: In this question, we will selecting those statements which are exothermic process.  Exothermic…

Q: Express (91 g) / (49 g) as a percentage with correct significant figures SHOW WORK BELOW!

A: We need to determine the percentage of given expression.

Q: Set up the problem below and calculate the number of days that are equivalent to exactly 23040…

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Q: 11-41 (a) 1° OH SOCI₂ PBr3 P 1₂ CI Br I

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Q: Consider a hypothetical chemical reaction: A+B C+D (In this equation A, B, C and D stand for some…

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Q: How many atoms of mercury are required to produce 3.49 L of H, gas (density= 0.0899 g) according to…

A: Given, 2 Hg(l) + 2 HNO3(aq) ----> Hg2(NO3)2(aq) + H2(g) Volume of the hydrogen (H2) gas = 3.49 L…

Q: Me2NH, CH,O HCI Me Me

A: The given reaction is an example of Munnich reaction in which, the α-proton of ketone undergoes…

Q: Which of the ions gives a formal charge that is an accurate picture of where the charge really is?…

A: Formal charge = number of valence electron - Number of lone pair - 1/2 (Bond pair )

Q: A method of analysis yields masses of gold that are low by 0.5 mg. This method is used for analysis…

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Q: When Pt electrodes are used in the electrolysis of KI(aq), a number of reactions are possible at the…

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Q: Which element, sodium or magnesium, must have an electron affinity closer to zero? State your…

A: Which element, sodium or magnesium, must have an electron affinity closer to zero?

Q: What is the pH of a solution containing 7.41 x 10-2 hydroxyl ions?

A: The hydroxyl ion concentration [OH-] = 7.41 x 10-2 M Now, pOH = -log[OH-] = - log 7.41 x 10-2…

Q: OH қ OH -Ph Ph H₂SO4 Ph Ph

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Q: A molecule has an empirical formula of CH, and its molar mass is known to be 26 g/mol. What is its…

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Q: 5. Draw as many resonance structures as possible for p-nitrophenol (see below). Make sure to include…

A: Resonance structures are sets of Lewis structures that describe the delocalization of electrons in a…

Q: Owen Some Statement Choose perfect for their (i) curhat would be the internat reaction temperature…

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Q: 2. In part IIA, you calculate the density of a cube using a ruler and a digital caliper to measure…

A: A. Using rular and digital caliper to the side of cube, digital caliper gives highly precise value…

Q: A 0.308 N oxalic acid (MW 90g/mole) contains 1.386 grms of the solute. O True False

A: As we know, Normality=  number of gram equivalence of  solute present in  one liter solution…

Q: Perform the calculation shown. What is the answer rounded to the correct number of significant…

A: The division operation to be solved is: 3.336*108 g1.1*10-1 mL We have to solve the above operation…

Q: 2. Draw the direction of the molecular dipole moment for each of the following compounds: H₂ Н C=N…

A: A chemical bond in a covalent molecule is formed by the sharing of electron pair between two atoms.…

Q: Shown below is the structure of a polypeptide. There are [Select] and [Select] H₂N peptide bonds in…

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Q: TⒸ Solved Synthesis of benzilic aciet from benzil bab, repart include discussion of result and…

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Q: What is the angle between two of the carbon-hydrogen bonds in the methane (CH4) molecule? 0° X S

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Q: Chemistry Give the IUPAC name for the following metal complex: [Fe(H2O)4Cl2] The answer is not…

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Q: QUESTION 7 Bronze is a substitutional alloy, where tin atoms replace some copper atoms in the copper…

A: Bronze is a substitutional alloy, where tin atoms replace some copper atoms in copper lattice. Basic…

Q: 10. Match up the compounds on the left below with the solvent which would best dissolve it (on the…

A: Given compounds - 1) Indane 2) Hexane-1,2,3,4,5,6-hexol 3) 1,3-dichlorobenzene 4) NaCl Given…

Q: Problem 4: A compound with molecular formula MW (C6H12O2). The infrared spectrum shows a band at…

A: A question based on spectroscopy that is to be accomplished.

Q: You have a semipermeable membrane that rests at -90mV. You also the two ions Na and Cl. Sodium has a…

A: Eion  = RT/ZF log [Co]/[Ci]  where Eion is the reversal potential, R is the gas constant, T is the…

Q: From the given reaction: 2 I2 + KIO3 + 6HCl = 5ICl  +  KCl  +  3H2O     How many grams of iodine are…

A: Given - Mass of ICl = 28.6 grams

Q: The vapor pressure of a solution containing 56.3 g glycerin (C3H8O3, molar mass = 92 g/mol) in 137.3…

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Q: Question 1 concentrations: A water sample has a pH of 7.0 and the following ion Molarity (M) 0.1 0.1…

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Q: Specific objectives in extraction of beta-carotene from carrot.

A: Given  Specific objectives in extraction of beta-carotene from carrot.

Q: Consider the following system at equilibrium where Kc = 0.159 and AH° = -111 kJ/mol at 723 K. N₂ (g)…

A: We would use Le-Chatelier's principle to determine the answers.

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.