1. Determine the normality of a solution which contains 2.83g of calcium sulfate in 500ml solution?

Q: For the following reaction, 29.0 grams of calcium hydroxide are allowed to react with 24.6 grams of ...

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Q: 7. Determine the amount of heat (in kJ) given off when 5.43 x 105 g of NO2 are produced. 2NO + O2) →...

A: Formation reaction of nitrogen dioxide is given

Q: A certain liquid X has a normal freezing point of –3.20 °C and a freezing point depression constant ...

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Q: Determine the formula weight of Ca 3(PO 4) 2- O a. 135 amu O b.310 amu O c. 215 amu O d. 279 amu O e...

A: The compound given is Ca3(PO4)2.  

Q: 1. 5-chloro-4-cyanopentanoic acid 2. 3-isopropyl-6-oxohept-3-enal 3. 3-(cyclobutylmethyl)cyclohexan-...

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Q: The reaction of sucrose with water in an acidic solution is C12H22011 + H2O C6H1206 + + C6H1206 sucr...

A: Given, rate constant (k) - 6.17 × 10-4 s-1. Initial reactant concentration([Ao]) - 0.40 M. time take...

Q: HaSou Is03 230°C /24hrs.

A:   Pyridine undergoes electrophilic substitution preferably at 3-position(or β-position) as it result...

Q: Calculate the standard enthalpy of formation of Caco3 at 298K in kļ/mol from the foll CaO (s) + CO ,...

A: Given reaction is : CaO (s) + CO2(g) →CaCO3 (s)                ; ∆H298o= - 42.85 Kcal/molCa (s) + 12...

Q: Three resonance structures of the given anion are possible. One is given, but it is incomplete. Comp...

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Q: II в D Which part in the figure can be a photovoltaic cell, phototube or photomultiplier tube? O A B

A: Photomultiplier tube- These are the sensitive detectors of light used for multiplication of electron...

Q: How many grams of phosphine (PH3) can form when 12.9 g of phosphorus and 75.3 L of hydrogen gas reac...

A: Reaction's stoichiometry plays an important role for determining the amount of product.

Q: Calculate the work done by 5 moles of an ideal gas during the expansion from 5 atm at 25 C to 2 atm ...

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Q: Measurements show that the energy of a mixture of gaseous reactants increases by 107. kl during a ce...

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Q: In thin layer chromatography, the stationary phase is made of and the mobile phase is made of solid,...

A: Thin layer chromatography: TLC is a chromatography technique used to seperate non-volatile mixture. ...

Q: .N. 25°C

A: Mechanism of Reaction 1 - 

Q: First statement is true. S

A: Given that, two statements Statement 1: The compound in a multi-compartment system can be separated ...

Q: A spot of black ink was placed on a strip of fiter paper. The chromatogram was developed using an ap...

A: Chromatography is based on the principle that two substances are dissolved in the same solvent but t...

Q: The liquid-liquid extraction is the classical technique in chemistry to isolate a target component f...

A: Liquid-liquid extraction is also known as solvent extraction in which compounds are separated based ...

Q: Chrome File Edit View History Bookmarks Profiles Tab Window Help 32% O Purple/Black Iridescent x G w...

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Q: Which property of laser light is NOT correctly defined/described? extremely bright: high power at on...

A: Laser light have the following properties Extremely bright.  Monochromatic.  Collimated.  But not a...

Q: chemical formula

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Q: a) PhMgBr b) CHgNa• BeCl, c) CH CH BCI,

A: organic reactions

Q: * 00 Radon (Rn) is the heaviest and the only radioactive member of Group 8A(18), the noble gases. It...

A: Given data  No of atoms of radon=10^15 atoms   Average atoms=1.373×10^4 Given mass=3.96g Molar mass=...

Q: What is the concentration of the undiluted KMNO4 solution? 0.4872 g/L 6.872 g/L 0.6872 g/L 1.6872 g/...

A: Given

Q: A quantity of N, gas originally held at 3. 80 2 atm pressure in a 1. 00 L container at 26°C is trans...

A: Given, For N2 gas : Pressure : 3.80 atm                           Volume : 1.00 L                   ...

Q: For the given compound ... a) Identify the 2 structures given as Blank 1 from the given 2 options (s...

A: Answer: Structural isomers are the compounds, those have same molecular formula but different struct...

Q: It uses flame to atomize samples to detect traces of metals. Atomic Absorption Plasma Emission O UV-...

A: Atomic Absorption:  The technique uses basically the principal that free atom(gas) generated in an a...

Q: In AAS, which of the following terms descrive a process  on how a liquid sample is converted into fi...

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Q: Given below is a diagram of separation of two components of a mixture in a chromatographic column. F...

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Q: Some chemicals, like hydrogen peroxide, are prone to decomposition by photocatalysis. How can you pr...

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Q: The compounds in a multi-component solution can be separated by extraction. By using the most approp...

A: Given that, two statements Statement 1: The compound in a multi-compartment system can be separated ...

Q: Let's say that we have 3.68 L of a gas was at an unknown pressure. However, at standard pressure, it...

A: Initial volume = 3.68 L  New pressure = standard pressure  New volume = 9.20 L  Initial or unknown p...

Q: Calculate e values for the galvanic cells based on the following overall reactions. Assume that all ...

A: Given reactions are : (a). Cr3+ (aq) + Cl2 (g) <--------------> Cr2O72- (aq) + Cl- (aq)   (b)....

Q: Name the given compounds. For uniformity's sake, name all the branched substituent as if naming an a...

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Q: The carotenoids have antioxidant properties, and they are commercialized as food colorants, animal f...

A: Carotenoids, also called tetraterpenoids, are yellow, orange, and red organic pigments that are prod...

Q: consider the following reaction with an activation energy of 12.10 kJ/mol and a rate constant of 9.0...

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Q: The purpose of adding sodium sulfate in the extraction is to decrease the solubility of caffeine in ...

A: Given question is :  The purpose of adding sodium sulfate in the extraction is to decrease the solub...

Q: 2 If a pharmacist added 12 g of azelaic acid to 50 g of an ointment containing 15% azelaic acid, wha...

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Q: Here is a schematic of the Joule- Thomson experiment: a) Is Pi= P2, P,< P2, or Pi P2? P,V.T Porous p...

A: In the Joule-Thomson experiment, the gas is allowed to pass through the porous plug under adiabatic ...

Q: A solution of potassium permanganate of unknown concentration was analyzed against a standard of var...

A: Given

Q: Which of the following has greater mass: 2 atoms of mercury or 3.41 × 10-23 mol of beryllium? 3.41 ×...

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Q: Which of the following statements best describe a minimum azeotrope? I. Minimum azeotrope boils at ...

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Q: 375 370 365 360 355 350 345 340 0.1 0A 0.6 0.7 0.8 0.9 0.2 0.3 05 A A Mole fraction B B The depicted...

A: The depicted liquid- vapour diagram is ...

Q: Consider scenario A: A soil core with a volume of 150 cm³ is sampled from the field. The soil weighs...

A: The above experiment is volume of pore space in a soil sample in lab experiment.  

Q: Nonpolar

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Q: What is the IUPAC name for the organic compound shown below?      a 1,6-dimethylcyclohexene   b ...

A: The naming of organic compounds is done by using rules given by international union of pure and appl...

Q: Is my answer correct? Is it okay to put the hydrogen in the back for the fourth carbon despite it be...

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Q: For preblems you are net expected to come up with an exaet strueture. Use the provided deta to ident...

A: The C,H,N containing compound has mol. weight 101g/mol It contains single nitrogen containing functi...

Q: ONa NH2 2) Hг0

A: Given, 

Q: Write the formula of the ff a. DIAMMINEDICHLOROPLATINUM II b. potassium diamminetetrachlorochromate ...

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