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Q: Some hypothetical metal has simple cubic crystal structure. If its atomic weight is 77.78 g/mol and ...

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Q: A student performed an 3. experiment to determine the solubility of KCL The following data was colle...

A: Given: Mass of empty 250-mL beaker = 105.6 g Mass of the 250-mL beaker and the saturated KCI solutio...

Q: What makes ice melt? Select the correct response: When the particles move very far apart, they gain ...

A: Answer: These questions are based on the properties of matter. First question is discussing about th...

Q: What is the line structure and structural formula of 4,5-dihydroxy-6-methyl-n-heptanal?

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Q: Starting a solution( 15.0ml 0.200M CoCl2 (times) 6H2O+9.00ml 12.0M HCl) WHICH CHANGED THE COLOR TO P...

A: The answer is as follows:  

Q: Element A has two isotopes. The first isotope is present 34.69% of the time and has a mass of 144.65...

A: Isotopes are element which have same atomic number but different mass number  Here we are required t...

Q: Provide the correct IUPAC name for the skeletal (line-bond) structure shown here.

A: In IUPAC name is also called systematic name. The guidelines for naming is set by International Unio...

Q: 1. Calculate the hydronium ion concentration of a solution with a pH of-1.07. 2. What are the pOH an...

A: pH = -log[H3O+]  pOH = -log[OH-]  pH + pOH = 14.0   Note :- In question no. 3 concentration of hydr...

Q: HO OCH3 но ОН A В ОН HO ОН РО D E

A: ->Hemiacetal is when one OH and one H , one OR  is present at same carbon  ->Acetal is when no...

Q: se ( x Edward V x O procedur x G traductor x E Imt rgt c x Course H X Part The x Part A A X course.h...

A: 2.4 moles of ethane undergoes combustion reaction with 3.5 moles of oxygen. Here we have to calculat...

Q: a) Sketch the molecular structure of EDTA. Indicate the ligands in your sketch.

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Q: What is the mole fraction of 25% sucrose solution (C₁2H2011)? Find its molal concentration.

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Q: In performing an experiment on freezing point depression, the solution was prepared by dissolving 2....

A: Answer: This question is based on the colligative properties of solution in which on adding non-vola...

Q: The following data were collected at 25°C for the reaction of nitrogen dioxide with ozone which is o...

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Q: titrates 130.0 ml of a 0.7480M dımethylamıne ((CH,) NH) solution with 0.3502 M HCI solution at 25 °C...

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Q: Fill in the table below. Age Frequency (F) Lower Boundary Cumulative Frequency 11 12. 57-61 52- 56 4...

A: The cumulative frequency is the absolute of frequencies, where the recurrence of the top notch span ...

Q: H. H. H C. H. H. H. Molar Mass: 106.12g/mol. Molar mass: 122.12g/mol Molar mass: 92.14g/mol A. What ...

A: Intermolecular forces of attraction:

Q: (a) Give the name of the following metal complexes based on the latest IUPAC nomenclature. 0 (Co(en)...

A: (a) here, as a ligand two ethylene diamine ,two bromide are present. And as an anionic part nitrate ...

Q: In the preparation of 60 mL Magnesium citrate in the laboratory, you are required to: calculate for ...

A: Given: Mass of magnesium carbonate used = 2.57 g. Moles of magnesium carbonate reacting = MassMolar ...

Q: If you are requested to compound 60 mL of the Concentrated Peppermint Water from the original amount...

A: 500 mL Concentrated Peppermint water contains:- 10 mL of Peppermint Oil +  25 g talc +   300 mL of 9...

Q: A solution of dimethylamine is prepared by dissolving 1.3525 grams of dimethylamine in 25 mL ethanol...

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Q: what is the mole fraction of the components of a solution containing 18g h2SO4 in 75 g of liquid wat...

A: Mass of H2SO4 = 18 g, molar mass = 98 g mol-1 mass of H2O = 75 g , molar mass = 18 g mol-1 Mole frac...

Q: Write the name of the product that results when cyclopentanone is treated with Pt and hydrogen gas.

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

Q: 1. Real-life heat Capacity is temperature dependent. Consider the formation of water vapor H2(g)+( ½...

A: Given: Cp=a+bT+CT-2 ∆H298 K=-60 kCal

Q: A chemist went on a trip to Japan to obtain a sample of chalcocite (copper (I) sulfide), one of the ...

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Q: A solution contains 1.33x102 M silver nitrate and 1.18x10 M lead acetate. Solid sodium chloride is a...

A: Given data : Concentration of silver nitrate = 1.33 × 10-2 M Concentration of lead acetate = 1.18 × ...

Q: KNO2 (aq)+ H2SO4 (aq) -> Complete the balanced chemical equation for the following reaction between...

A: Balancing the chemical reaction between weak acid and strong base

Q: Between sodium chloride and potassium chloride, which of them has a greater force, and why? Select t...

A: The element sodium is smaller in size than the element potassium as per the modern periodic table be...

Q: What is wrong with the Lewis structure depicted below? [Image description: A Lewis structure with a ...

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Q: A river was reported to have a Hg content of 178 ppm. What is the concentration in molarity?

A: The mass of solute in mg present in a one-liter solution is known as ppm (parts per million) concent...

Q: What is the E°cell for the cell represented by the combination of the following half-reactions? 2H9²...

A: 2Hg2+(aq) + 2e-  <---> Hg22+(aq) ; E° = 0.92 V  Cr3+(aq) + 3e- <---> Cr(s) ; E° = -0.74 ...

Q: When determining the equilibrium concentrations for the reaction [A][B] [AB] AB(g) A(g)+B(g) K. = a ...

A: The equilibrium reaction given is,  

Q: The standard molar enthalpy of formation of calcium carbonate (CaCO3) is - 1206.9 kJ/mol. What will ...

A: (d) The reaction is as follows:    CaCO3(s) → CaO(s) + CO2(g) The molar mass of CaCO3 = 100.1 g/mol ...

Q: How many millimoles of solute are contained in 2.00 L of 2.76×10–s M KMnO4

A: Given-  Volume=2.00 L Molarity = 2.76 × 10^-5 M        

Q: Give the safety measures when working with the following lab equipment during experiments and conduc...

A: Saftey precautions  are necessary  for saftey of all the stake holders working there.

Q: H3C CH,CH3 Br

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Q: Describe how would pick the appropriate chemicals to use to prepare a buffer. you

A: Buffer  is a solution which resist the change in pH by addition of small amount  of an acid or a bas...

Q: A solution is 0.5 molar in MgSO4, 0.1 molar in AICI3, and 0.2 molar in (NH4)2SO4. What is the total ...

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Q: Give the extended, condensed, and bond line structural formula, and the type of aliphatic hydrocarbo...

A: -> 2-ethyl-1,1,4,4-tetramethylcyclohexane ->trans-5-ethyl-2-heptene ->2,4-difluoro-5-methyl...

Q: What is the name of the aromatic compound?

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Q: Supply missing reagents and prodacts in the following reaction schene. Ne mechani ple and disregond ...

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Q: Give practical applications of chemical kinetics-related concepts in real life.

A: Ans. Examples of chemical kinetics in everyday life include digestion, photosynthesis, fermentation,...

Q: What is the formula for hydroiodic acid? Hint: for CO2, write CO_2

A: Given,  Hydroiodic acid 

Q: a. Name the following compounds according to systematic and common nomenclature. N. N-CH3 N. 18 19 2...

A:  

Q: ОН thiamine hydrochloride NaOH 2 H. ELOH, water benzoin

A: The understanding of TLC plate is displayed underneath. Benzaldehyde is seen in Lane 1. Path 1 is a...

Q: enzyme CO2 + CO2 a NADH b THDP SAM PLP

A: Given reaction is :  Identify the Co-enzyme used for this reaction = ?  Options are : 

Q: (a)If 12.06 g of NH4+ was found in the soil, how many ions of NH4+ was present initially? (b)If 500 ...

A: Given :  Mass of NH4+ = 12.06 gm  Mass of H2O produced = 500 gm     

Q: Starting a solution( 15.0ml 0.200M CoCl2 (times) 6H2O+9.00ml 12.0M HCl) WHICH CHANGED THE COLOR TO P...

A: When any reaction at equilibrium is disturbed then Le chatelier principle gives the direction of rea...

Q: Q5) Choose two of the following branches:- 1-What is the pH of a 0.100 M solution of sodium acetate?...

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Q: Calculate the AHo f of C6H1206(s) from the following data: AH combustion of C6H1206(s) = -2816kJ/mol...

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