What is the purpose of calibrating the "spirit bubble" or "spirit level"?

Q: Gravimetric Determination of Chloride Mass of Unknown Sample= 0.4567g Mass of filter paper= 1.0023g ...

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Q: Which of the following correctly describes a key step of the reaction shown in the box? 1. EEONA 2 2...

A: To identify the key step detail mechanistic pathway is given below

Q: A chemist needs to create a 50% HCI solution. (HCI is hydrochloric acid.A "50% HCI solution" contain...

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Q: Which of the following is a major product of the reaction shown in the box? OEt 1. ELONA, ETOH 2. H3...

A: Organic reactions are those in which organic reactant react to form organic products.

Q: Word Equation Chemical Equation 26 - 27. N2(g) + H2() + NH3(g) 1 Carbon atom + 2 Oxygen atoms Carbon...

A: Answer: In the following questions, in some word equations are given and we have to formulate chemic...

Q: The bombarded fragments forms a radical is represented by a mass charge ion ratio  known as (_)?   ...

A: In mass spectrometry,  a molecule is ionised and fragments are created on the basis of m/z. 

Q: Thinking about the partial specific volume (v-bar) of a solute and how it plays a role in AUC and an...

A: The sedimentation coefficient is given by the expression:   s=m (1-v-ρ)f                         (A)...

Q: pH for the 0.1000M acetic acid (HC2H302) = 2.93

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Q: Sulfation roasting of 1 g of ZnS at elevated temperature. Suppose the final product weighs 1.2 grams...

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Q: A 0.7205 g of potassium hydrogen phthalate is titrated to the equivale point by 21.08 mL of barium h...

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Q: Select the reaction(s) that illustrate a favorable positive entropy of reaction. A R R C R R C A В B...

A: Answer: Entropy is the measurement of system's disorder or randomness. In more possible states syste...

Q: Wavenumber em A 18,000 cm B = 27,000 cm e the appropriate Tanabe-Sugano diagram to assign the absorb...

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Q: 2. Solid nitrogen triiodide decomposes explosively to form gaseous nitrogen (N2) and iodine (I2). Th...

A: Answer: In the given chemical reaction, decomposition of NI3 in nitrogen and iodine is taking place ...

Q: 3. A 1.25-g sample of ammonium nitrate dissolves in water to make 35.0 mL of solution in an insulate...

A: Given,  Mass of NH4NO3 = 1.25 g  Volume of the solution = 35.0 mL  Initial temperature= Ti = 24.6 0C...

Q: What type of elution uses different proportions of solvent during separation process?

A: Elution refers to addition of mobile phase into the column to get the analyte (along with mobile pha...

Q: A reagent bottle is labelled 3.00 M sulfuric acid. You titrate a 25 mL sample with 1.58 N sodium hyd...

A: neutralisation reaction are reaction where the acid and base react to form a salt and water here we ...

Q: Concentration of diluted aspirin solution (M2). Show Mbn calculations below using equation from Beer...

A: As per the given equation from the graph we have y = 300.93x - 0.0388 where y = Absorbance x = Conce...

Q: 0.0471 kg of biphenyl (C12H10) is dissolve in benzene (C6H6) to create a solution with a total volum...

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Q: Use the molar mass of Ca3(PO3)2 to calculate the number of formula units in 10.0 g of CP.  Give your...

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Q: How many isomers would you expect for each of 1-chloro-2-hydroxycyclohexane, 1- chloro-3-bromocycloh...

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Q: 2 (All questions are part of the same problem): In a mixture of the two gases CH4 and O2, they have ...

A: Answer: This question is based on the ideal gas law which is shown below: PV=nRThere:P=pressure of t...

Q: Write the formula of the conjugate base of the Brønsted-Lowry acid, C₆H₅COOH?    The OH⁻ concentra...

A: Given,  (a). Write the formula of the conjugate base of the Brønsted-Lowry acid, C₆H₅COOH?   (b). Th...

Q: How many peaks can you identify from the NMR spectrum? To which does each chemical shift peak corres...

A: Given data :-  

Q: Which picture corresponds to which type of reaction? A ••• R R R favors products at HIGH temperature...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Fill in the blanks: Safe distillation is promoted by using that prevent bumping during heating. It i...

A: Distillation is a process of purification where liquid is converted to vapour and the vapours are th...

Q: Consider the following standard reduction potentials: 2H+ + 2e → H2 Sn+2 + 2e → Sn Cd+2 + 2e¯ → E = ...

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A: Kindly write or post proper statement of question.

Q: 0.0471 kg of biphenyl (C12H10) is dissolve in benzene (C&H6) to create a solution with a total volum...

A: Given structures are :  Options are :

Q: When comparing molar solubility in pure water and that from potassium iodate solution should the mol...

A: Molar SolubilityA substance's solvency item (Ksp) is the proportion of fixations at balance. Molar s...

Q: A chemist needs to create a 50% HCI solution. (HCt is hydrochloric acid. A "50% HCl solution" contai...

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Q: 1.1 equivalent of NaNH2 2. CH3CH,CH,CH,Br 3. H2, Lindlar's catalyst 4. Br2

A: Terminal Alkyne has acidic hydrogen which can abstracted by strong base like NaNH2 and form nucleoph...

Q: True or false: Any substituent of a benzene ring that has a lone electron pair will always be a orth...

A: Benzene ring is an organic compound containing carbon and hydrogen atoms with molecular formula C6H6...

Q: Find the M, m, and N when 5.40 grams of (NH4)2SO4 is dissolved in 950.0mL of water.

A: Given:-  Mass of (NH4)2SO4 is 5.40g Volume of water is 950.0mL We have to calculate M,m and N

Q: What product do you expect from the reaction of the following ethers with HBr? a. CH3CH2OCH2CH3 b. ...

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Q: Calculate the ionic strength of a 0.030 M Al2(CO3)3 a. 0.05 b. 0.45 c. 0.02 d. 0.54

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Q: 1. For AAS analyses, the following are atomization techniques except- A. Hydride atomization B. Che...

A: Atomic absorption spectrometry (AAS) is a technique in which free gaseous absorb electromagnetic rad...

Q: 2 Volume HCI Added (mL) Strong Base//Weak Acid Strong Acid/Strong Base Strong Acid/Weak Base Weak Ac...

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Q: A student weighs out a 5.01 g sample of FeCl2, transfers it to a 250. mL volumetric flask, adds enou...

A: Given :-  Mass of FeCl2 = 5.01 g  Volume of solution = 250. mL  To calculate :-  Molarity of solutio...

Q: Consider the following [4+4] cycloaddition process. Would you expect this process to occur through a...

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Q: Experiment name: Heat of solution( KNO3 with H20 and Tris with HCl) in 6772 Calorimetric Thermometer...

A: EstimationsNormalization An example of tris (hydroxymethyl) aminomethane, generally called TRIS, is ...

Q: A gas mixture consists of equal masses of methane (molecular weight 16.0) and argon (atomic weight 4...

A: Number of mole is calculated by dividing given mass with molecular mass. 

Q: What is the physical or chemical properties of butane that can react to form an amide?

A: Butane is an alkane and alkanes are non-polar. 

Q: Vacuum distillation lowers the boiling point of a high-boiling point liquid because of reduced atmos...

A: Boiling initiates when an applied or the atmospheric pressure is equal to the vapour pressure of the...

Q: Acid rain harms both living and nonliving things in a variety of ways. What solution/s can you propo...

A: Acid rain, as described in the question, is harmful for both  living and nonliving things in a varie...

Q: which significant information can be provide by the mass spectra? identity of the compounds molecul...

A: mass spectrometers can be used to identify unknown compounds via molecular weight determination, to ...

Q: What part fo chromatography is being descibe by the following?                                     ...

A: These all are the terms used in the chromatography.

Q: Pressure-temperature corrections for vacuum distillation are made possible by using the which is a g...

A: Pressure-Temperature Nomograph tool is an application of the Clausius-Clapeyron equation, which assu...

Q: B. How many moles of silver will be formed when 5.00 mol of copper react with excess silver nitrate?...

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Q: Experiment name: Heat of solution (potassium nitrate with water and Tris with hydrochloric acid) in ...

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Q: Question 15 Waht is the composition of the reverse phase chromatography? O polar stationary phase - ...

A: Given,