is In the school laboratory, a usually used as fractionating column. The glass called as beads serve as several

Q: Calculate the wavelength of the emitted photon when a particle of 1.0 x 10-27g in a box 6.0 A° long ...

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Q: What caused the color changes in the apple juice titrated without any phenolphthalein present? (Hint...

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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: An aqueous solution contains 0.132 mol L-1 of HCl and 0.717 mol L-1 of acetylsalicylic acid (Ka = 3....

A:                          Acetylsalicylic acid is a weak acid and HCl is a strong acid.              ...

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: Use the half-reaction method to balance the redox reaction below.  Ce4+ + Sn2+ → Ce+ + Sn4+

A: The half-reaction method is a method to balance redox reactions. It involves breaking the overall eq...

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: Vanadyl trichloride (VOCI3) is a liquid that is used as a catalyst in the manufacturing of batteries...

A: The mass of vanadyl trichloride is = 15.73 g The heat of vaporization of vanadyl trichloride is = 36...

Q: Given the following information, SO3 (g) + H2O(1) → H2SO4 (1) AH = -133 kJ %3D Pb(s) + PbO2 (s) + 2H...

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Q: Find the concentrations of all the species present in the following solution:   0.010M of H2CO3

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Q: Calculate for the molar absorptivity coefficient of a 0.55 microgram per liter Cr(III) chelate solut...

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

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

Q: The molecular weight of a gas that has a density of 6.75 g/L at STP is __________ g/mol.

A: At stp pressure is one atm

Q: The water-gas reaction is a source of hydrogen. Passing steam over hot carbon produces a mixture of ...

A: Given , Reaction :H2O(g) +C(s)→CO(g) +H2(g) Kc=3.00×10-2 T = 1000.0°C  

Q: Given that the forward reaction of the following equilibrium system is exothermic, which of the foll...

A: The effect of change in amount, temperature, pressure, or volume on an equilibrium reaction can be e...

Q: What is the hydroxide ion concentration in a solution that has a pH value of 9.776?

A: Given, pH = 9.776  Concentration of the hydroxide ion = [OH-] = ? The formula used here are, pH + pO...

Q: Explain how entropy changes in the process of flambéing (combustion of ethanol). Be sure to include ...

A: Given question is :  Explain the entropy changes in the process of the flambeing (combustion of etha...

Q: A solution of HCIO, was standardized by dissolving 0.3745 g of primary-standard-grade HgO in a solu-...

A: We will first find moles of OH-, then calculate concentration of HClO4 to find molarity.

Q: Find the molality of a solution made by adding 4.5g of NaCl to 100g of water. MW= Na: 23, Cl:35, H:...

A: Mass of NaCl (solute) = 4.5 g  Mass of water (solvent) = 100 g  Molality of the solution = ?   

Q: The pKa of finalic acid is 6.50. a. What is the pH of an equimolar solution of finalic acid and sodi...

A: Hii there, As there are multiple sub parts posted. we are answering first-three sub parts . If you n...

Q: Which of the compounds is more soluble in an acidic solution than in pure water? SrS Вe(ОН)2 PbCl2 C...

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Q: 5. How from 45.1 grams of cadmium with excess sulfur? many moles of cadmium chloride can be produced...

A:

Q: A small amount of resin weighing 4.56g occupies a height of a 10-mL graduated cylinder equivalent to...

A: A small amount of resin weighing 4.56g occupies a height of a 10-ml graduated cylinder equivalent to...

Q: A catalyst affects the rate of the forward reaction by changing which of the following? Heat of reac...

A: Catalyst is a substance which can change the rate of a reaction without itself consumed.

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

A: Answer: This question is based on the mixing of two different solutions in such a way that we can ob...

Q: obtain the synthesis of the following compounds starting from a benzene 04 HOC

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Q: pler 14 - Kinetics Exercise 14.40 - Enhanced - with Feedback I Review | Constant MISSED THIS? Watch ...

A:

Q: I. Carbon dioxide at 60°C and 34 atm is a real gas. Determine your specific volume using: a. Beattie...

A: Ideal gas regulation: As indicated by Ideal gas regulation, explicit volume, v = RT/PM where, R = ga...

Q: How much energy in units of J, is required to heat 71.7g of solid acetone from -156.3°C to -96.6°C. ...

A:

Q: Monochromatic light is light of one color, one frequency. If a monochromatic light beam is increased...

A: Answer: This question is based on the basic understanding of wave nature of matter where we have to ...

Q: Experimental value: 0.010 mol/L Literature value: 0.00798 mol/L What might cause the solubility to d...

A: Two major factors affecting solubility are- 1. Temperature 2. Pressure

Q: Calculate the kinetic energy of  53  moles of N2 at 262 °C. (R = 8.314 JK–1 mol–1)

A:

Q: A hetero Diels-Alder reaction is a variation of the Diels-Alder reaction in which one or more carbon...

A: We have find out reaction mechanism.

Q: но What is the chemical formula for the limiting reactant in the reaction shown? chemical formula:

A:

Q: Find the oxidation number for each element in the following substance. Br2  1. Br =

A: Given :- chemical formula of substance = Br2  To identify :- oxidation no. of Br in Br2

Q: Part A For the reaction 2 A + B C, the initial rate was measured at several different reactant conce...

A: Rate law is an expression that relates rate of the reaction to the concentration of the reactants.  

Q: Statement 1:To mix the contents, shake the funnel gently, and open the stopcock. Statement 2: Remove...

A: Both the above statements are false as because To mix the contents, we shake the funnel gently with ...

Q: in analysis of copper, the cathode of hollow cathode lamp is a? -Zinc -Tungsten -Lead -Copper

A:                                 Answer in analysis of copper, the cathode of hollow cathode lamp is ...

Q: At a given temperature, 0.00332 moles of Hg in the gas phase have a pressure of 0.00120 mmHg and a v...

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Q: write T if underlined word is correct, if false, write the correct answer 1. Pyrolytic Carbon is...

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Q: In the filtration step, the product is washed with "two 4 ml portions of ice-cold water". Explain wh...

A: Filtration is a type of physical separation method. In this method usually solids are separated from...

Q: A set of samples from an abandoned industrial site detected a suspected groundwater contaminant at a...

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Q: When 1,4-dimethylcyclohepta-1,3-diene is treated with HBr at elevated temperature, the 1,2-adduct pr...

A: We have find out why 1,2 adduct product is predominant.

Q: write T if correct, write the correct answer if false 1. Pyrolytic Carbon is used for medical impla...

A: Idea about pyrolytic carbon, discovery of electrons and neutrons

Q: at is the retention factor of a sample when after injection the void time (tM) took 4.73 sec? The re...

A: Question 16 What is the retention factor of a sample when after injection the void time (tm) took 4....

Q: MASS SPECTRUM 100 80 60 40 20 0.0- 8 12 16 20 24 28 32 m/z Rel. Intensity

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Q: What is the pH of a solution that is 0.32 M C2H;NH2 (ethylamine) and 0.35 M C2H5NH3 Br (ethylammoniu...

A: Henderson–Hasselbalch equation, POH = PKb + log [salt]/[base] and, PH + POH = 14

Q: Which are true for paper chromatography? Select the correct response(s): the less polar component wi...

A:

Q: AH = - 1.2 kcal/mol; Kp = 16 nM OH 1 HO AH = - 6.0 kcal/mol; Kp = 76 nM %3D OH HOl. AH = - 5.5 kcal/...

A:

Q: Statement 1: Extraction and washing are the same operation. Statement 2: Washing is pulling out what...

A: The extraction and washing are totally different operation as by the extraction process the target c...