Questions 1. Your soap contains the glycerol which is the by-product of the hydrolysis reaction. You did not account for its presence when you calculated the percent yield of soap. Would the presence of glycerol make your percent yield artificially low, or artificially high? Explain. used, by Rene elds ree moles of so

Q: 230 BTUs are absorbed by a gas while the gas expands and perform 610 BTUs of work. Calculate the cha...

A: Given: Heat absorbed by the gas = 230 BTUs  And the amount of work done by the gas = 610 BTUs.  

Q: Calculate the normality of sulfuric acid has a density of 1.84 g/cm3 and is 95.0% (w/w) H2SO4. Mwt f...

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Q: 1. Complete the table Isotope Mass (amu) Relative Abundance (%) Silicon- 28 27.97693 92.21 Silicon- ...

A: For this problem We have to complete the given table based on abundance of isotopes. 

Q: 1. What is the pH of a water that contains 120 mg/L of bicarbonate and 15 mg/L of carbonate ions?

A: Given: Concentration of bicarbonate i.e. HCO3- = 120 mg/L. And concentration of carbonate i.e. CO32-...

Q: a) b) OH CH3 Br

A: The IUPAC name of the above compounds are given below

Q: concentration o

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Q: A student prepared the graph shown based on the vapor pressure of a liquid over a range of temperatu...

A: Heat of vaporization is the heat required to vaporize one mol of substance at its boiling point.  Cl...

Q: The freezing point of a solution containing 65 g of a compound in 100 g of  benzene is 3.80C. What i...

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Q: Which of the following best fit this spectroscopic data? All 'H NMR data shown as x.xx ppm (splittin...

A: At aromatic  proton range we got two peaks i.e. two doublets . Thus compound  must be para disubstit...

Q: What should the integral be for the peak at 12.25 ppm?

A: NMR spectroscopy is an analytical technique which is used for structural elucidation. It is based on...

Q: QUESTION 12 The highly toxic "antifreeze" has the formula C2H602. In your chemistry assignment you h...

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Q: For the following reaction, choose the CORRECT statement Co(s) + Fe2+(aq) => Co2+(aq) + Fe(s) wher...

A: Given, Co(s) + Fe2+(aq) => Co2+(aq) + Fe(s) where Co(s) => Co2+(aq) + 2e- &  E°= +0.28V Fe...

Q: 1. Explain why the temperature gradually drops as the solution is in the process of freezing.

A: A process where a liquid turns into a solid at a constant temperature is known as freezing.

Q: Why is ethane a nonpolar covalent bond?

A: it is true that ethane is nonpolar , first polarity arises due to difference in electronegativities ...

Q: In this study of the reaction between the iodide ion and persulfate ion: S20;2 + 21 → I2 + 2SO,² we ...

A: In the given reaction rate expression is written in the term of change of concentration one of the r...

Q: 8.00 mL of 9.00 x 10-3 M Fe(NO3)3 (9.00 times 10 to the minus 3rd power M F e (NO3)3) is added to 5....

A: Volume of Fe(NO3)3 = 8ml Concentratio of Fe(NO3)3 = 9×10-3M Volume of KSCN = 5ml Concentratio of KSC...

Q: What is the difference between rate order and rate law?

A: In the Rate law expression , rate order terms are used.  Thus both are dependent on each other.  But...

Q: How many valence electrons does hydrogen need to complete its shell? Which group is most similar to ...

A: To explain: How many valence electrons does hydrogen need to complete its shell.  

Q: pH

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Q: How many ions metals are measuring in water alkaline.

A: In this question we have to select correct option of  how many ions metals are measuring in water al...

Q: 1) If a reaction mixture is prepared by a mixture of stock solution A (0.20 M), stock solution B (0....

A: 1) For reaction mixture 1, Volume of A=20mL Volume of B=20mL Total volume = 40 mL Concentration of A...

Q: The reaction below reaches equilibrium in a closed reaction vessel. What is the effect of removing a...

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Q: 2. Calculate the percentage by mass of oxygen in the following compounds a. NO2 b. CH;COOCH3

A: Since you have posted question with multiple subparts as per guidelines we can answer only three per...

Q: u know ou looking fo ance do you

A: As per rule, allowed to answer first question and pot the remaining in the next submission.

Q: You would like to create a 50ml bottle of Eau de toilette at a concentration of 8%. You would like t...

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Q: The activation energy for the reaction NO2(g) + CO (g) NO (g) + CO2 (g) is 125 kJ/mol, and AE for th...

A: The given reaction is : NO2(g)  +  CO(g)  →  NO(g)  +  CO2(g) Here, Activation energy of the reactio...

Q: Define racemic mixture? And briefly explain the Racemic modification and its types?

A: A racemic mixture is a mixture of equal quantities of two enantiomers or substances that have Dissym...

Q: 1. Fill in the blanks with the MAJOR organic product in the following reactions. OH H,SO4, 130°C HO,...

A: Major organic product  are deduced  by applying  reasonable  mechanism  on substrate. 

Q: Refer to the periodic table and write the predicted electron configuration for each of the following...

A: Given ions.Cd2+   and  P3–

Q: Solution 5% v/v of methanol with water means that. O 5 ml methanol in 100 ml water. O 5 ml methanol ...

A:   That means  5% v/v of methanol with water implies that 5ml methanol in 100 ml water.  And thus sol...

Q: 8.00 mL of 5.00 x 10-3 M Fe(NO3)3 (5.00 times 10 to the minus 3rd power M F e (NO3)3) is added to 9....

A: Given that : Volume of Fe(NO3)3 = 8.00 mL Concentration of KSCN = 5.00 x 10-3 M Volume of KSCN = 8.0...

Q: Cesium has higher melting temperature than Sodium.   True or False?

A: Given : We have to tell whether the statement is true or not.

Q: The acid-base reaction between bisulfate and carbonate is below. HSO4- (aq) + CO32- (aq)  SO42- (aq...

A: Acid gives H+ ion and base accept H+ ion. 

Q: How much heat energy is required to convert 44.9 g of solid ethanol at -114.5 °C to gasesous ethanol...

A: Given,  44.9 g of solid ethanol at -114°C is converted to gaseous ethanol at 160.8 °C  The molar hea...

Q: Discuss why water molecule has a high boiling temperature compared to other similar compounds such a...

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Q: What is the concentration of sodium ions in 0.300 M NaCl?

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Q: How many mL of 0.300 M NaCl solution are required to produce 0.210 moles of NaCl?

A: No. Of moles=molarity*volume Hence, 0.210=0.3*V.                   V= 0.7 L  

Q: How many grams of glucose are needed to prepare 400. mL of a 2.0%(m/v) glucose solution?

A: The amount of glucose needed to prepare 2%(m/v) glucose solution is given below

Q: [Ar 4s²3d¹⁰4p⁶] a.) What is the name of the element b.) How many electrons does it contain in s orbi...

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Q: Write a complete reaction mechanism using CORRECT nucleophile for the following substitution reactio...

A: Bimolecular nucleophilic substitution reaction (SN2): In this reaction, the addition of the nucleoph...

Q: Na2CrO4: ________ g/mole

A: Standard data: The atomic mass of sodium (Na) = 22.9898 u The atomic mass of chromium (Cr) = 51.996...

Q: answer with the correct number of significant figures but without "%" (Canvas will not let you to en...

A: Here we calculate all required data from the information. Please see carefully the answer, last two ...

Q: How many moles of B are there in a sample of B that contains 5.92x1024 atoms? moles Submit Answer Re...

A: Given atoms of B = 5.92 × 1024 

Q: Write all the possible resonance structure(s). Show the movement of electrons by drawing arrow(s). I...

A: Resonance structure :- All the individual different possible contribution of structure of any molecu...

Q: 2. Calculate the percentage by mass of oxygen in the following compounds d. (NH4)2 CO3

A: The mass percentage of an element in a compound is the percent mass of the element in the total mass...

Q: The reaction below reaches equilibrium in a closed reaction vessel. Does the mass of Na2CO3(s) incre...

A:

Q: What are acids often using in measuring .alkalinity H2S04 and HNO3. H2S04 and HCI. H2S04, HCI and HN...

A: Given question is :  What are acids often using in measuring alkalinity ?  Options are :  a). H2SO4 ...

Q: What would you multiply "moles of tin" by to get the units "atoms of tin"? (number) (unit) moles Sn ...

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Q: H3C H, NHCH3 NHCH3 H H

A: In Newman projection, front carbon is shown by a dot while the back carbon is shown by circle. 

Q: In which of the following are the name and formula correctly paired? manganese(II) chlorate: Mn(CIO3...

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".