Why less amount of indicator used?

Q: 5

A: Mass= 63.7gm Density=7.87g/cm3  Volume= mass/density Volume= 63.7÷7.87=8.09ml Initial volume=85.6ml ...

Q: Alkenes react with hydrogen - produce the corresponding alkane hydrogenation - produce margarine Dec...

A: In order to find the percentage yield of the given reaction we first write down the given data: Actu...

Q: Chemistry Question

A: Rules for naming chemical compound. Cation or metal is named first. This is followed by oxidation ...

Q: Calculate the AG° for the following reaction at 25°C. You will have to look up the thermodynamic inf...

A: The reaction given is, => 2 Mg (s) + O2 (g) -------> 2 MgO (s) The ΔGo of any reaction is give...

Q: At 25 C the vapor pressures of benzene (C6H6) and toluene (C7H8) are 93.4 and 26.9 torr, respectivel...

A: given: vapor pressure of benzene P°A = 93.4 torr vapor pressure of toluene P°B = 26.9 torr mass of b...

Q: Just need help on number 5 please!

A: When we dilute the solution by adding water, the moles of solute will not change. The final concentr...

Q: Please answer all questions I'll give you like upvote

A:     We know that, pH is the negative logarithm of hydronium ion concentration. i.e.,   ...

Q: A sulfuric acid solution contaning 571.6 g H2SO4 per liter of a solution has a density of 1.329 g/mo...

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Q: Aniline (C6H7N) is an organic solvent with a freezing point of -6.0 °C. What is the freezing point, ...

A: According to Raoult's law, the depression in the freezing point of an ideal solution of a non-volati...

Q: See image below. Can you please show me how to solve this problem?

A: An equilibrium constant denotes the advancement of a reaction quantitatively. The equilibrium consta...

Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an acti...

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Q: What is the molality of a solution made by mixing 4.5 grams of KNO3 [molar mass( 101.1032 g = 1 mole...

A: Mass=4.5gm Molarity mass=101 Mole= mas/molar mass  Mole= 4.5÷101= Molality= mole×1000÷mas of solvent...

Q: The density of titanium metal is 4.51 g/cm3 at 25 CWhat mass of titanium displaces 69.2 mL of water ...

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Q: For a particular isomer of C8H18,C8H18, the combustion reaction produces 5113.3 kJ5113.3 kJ of heat ...

A: Given: ∆Hrxn is -5113.3 kJ/mol The other values are used from the internet for reference as they are...

Q: Calculate the percent composition by mass of each element in Al(OH),. Use at least three significant...

A: The compound given is Al(OH)3  Assuming 1 mole of Al(OH)3  Molar mass of Al(OH)3 = Atomic mass of Al...

Q: 3. The method of volume displacement can be used to find the volume of a solid. In this measurement,...

A: Given : Mass of silver = 194.3 g Initial volume of water = 242.0 mL Final volume of water (after sub...

Q: A cubic piece of platinum metal (specific heat capacity = 0.1256 J/°C･g) at 200.0°C is dropped into ...

A: Given: Specific heat capacity of platinum     = 0.1256 J/ oC.g Temperature of platinum              ...

Q: A 21.3 mL sample of 0.997 M NAOH solution is mixed with 29.5 mL of highly concentrated HCI in a coff...

A: Given : Volume of HCl solution = 29.5 mL Volume of NaOH solution = 21.3 mL = 0.0213 L               ...

Q: Which of the following molecules may be polar: SO3, XeF4, SF4?

A: If two atoms bonded together by a covalent bond have differences in electronegativity value, then th...

Q: . A sample of 1.000 g of a compound containing carbon and hydrogen reacts with oxygen at elevated te...

A: Since we answer only 3 sub-parts, we'll answer the first three. Please resubmit the question by ment...

Q: Suppose we have 2 proteins A and B with the following kcat and Km values. kcat (s) Km (uM) Prot. A 5...

A: The efficiency of an enzyme is known as catalytic efficiency. It can be expressed as the ratio of th...

Q: Chemistry Question

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Q: Chemistry Question

A: Given, The reaction is : 2 N2O5 (sol) → 4 NO2 (sol) + O2 (g)    

Q: List the products formed by the following reactions

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: What is the pka of trans-Stilbene ?

A: The structure of trans-Stilbene is:

Q: 4

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Q: the absorbance of an equilibrium mixture of Fescn2+ was measured at 447nm and found to be 0.319. Wha...

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Q: A 15.630 gg milk chocolate bar is found to contain 9.815 g of sugar. What will be the amount of suga...

A: Given : Mass of sugar = 9.815 g And mass of bar = 15.630 g The mass of reduced bar = 4.000 g  

Q: What volume of 1.24 M KMnO4, in liters, contains 422 g of solute? Volume %3D

A: In order to find the volume of the solvent required we first write down the given data: Molarity= 1....

Q: A few different types of electromagnetic radiation are listed in the table below. Complete the table...

A: The wavelength and frequency are related as  => f X λ = c  where f = frequency of radiation  λ = ...

Q: Chemistry Question

A: Interpretation: A compound is 54.53% C, 9.15% H, and 36.32% O by mass. the empirical formula of the ...

Q: Aqueous sulfuric acid H2SO4 reacts with solid sodium hydroxide NaOH to produce aqueous sodium su...

A: The reaction is: H2SO4 (aq) + 2NaOH (s)→ Na2SO4 (aq) + 4H2O (l)   It is an acid base reaction, where...

Q: 1. Menthol is a member of the terpene family of natural products. It exists in a (1R,2S,5R) form and...

A: The chair conformation of both compounds, (1R,2S,5R)-2-isopropyl-5-methylcyclohexanol and (1S,2R,5S)...

Q: Ordinary household bleach is an aqueous solution of sodium hypochlorite. What is the molarity of a b...

A: Molarity is defined as the number of moles of solute per volume of the solution in liter, i.e.      ...

Q: Calculate the food coloring concentration in a standard if 3.00 mL of 0.892 %(v/v) stock solution wa...

A: Given : Concentration of initial solution = 0.892 % (v/v) Volume of initial solution taken = 3.00 mL...

Q: Draw all the isomers of C,H0. Clearly show stereochemistry if stereoisomers are possible. Step 1: St...

A: Explanation Isomerism Different molecules having same molecular formula are called isomer. This ph...

Q: 22

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Q: Palmitate and Behenate are saturated fatty acids with 16 and 22 Carbons respectively. Which would yo...

A: As the no of carbon increse TM also increase  So coreect option is A 

Q: Question 26 of 26 In the reaction below, 7.0 mol of NO and 5.0 mol of O2 are reacted together. The r...

A:   First  Calculate limiting reagent by Mole÷stoicheometry coefficient  Which one have less value for...

Q: Ultraviolet radiation is characterized as UVA, UVB, or UVC. Arrange these types in orderof increasin...

A:  

Q: BEI Ho Exp

A: Mole is defined for the quantity of substance.  

Q: I need help with question number 1 and 2 at the end. I attempted question A and would like to know i...

A: Given: Initial temperature of metal = 50 ºC Initial temperature of water = 39.8 ºC Final temperature...

Q: the balanced equation: combustion of ethanol C2H5OH(l) + 3O2(g) ---- 2CO2(g) + 3H2O(g)   how many g ...

A: The balanced reaction of combustion of ethanol is as follows: C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(g)

Q: reactant: 0.400g of p-amionphenol (MW=109.1) 0.450 ml of acetic anhyride (mw= 102.1 d= 1.08 ml) prod...

A: Given : actual yield = 78% mass of acetaminophene = 151.2 g mass of P-aminophenol = 0.400 g (MW = 10...

Q: Which piece of glassware should you use to make a solution of a specific volume and concentration?

A: Given : To make a solution of specific volume and concentration.  

Q: PQ-14. Given the equilibrium constants for these reactions: (8) H+ (3)'H³Ɔ (3)'H Ke% D2.8×10-21 Ke =...

A: Use the experiment to get the required equation  Multiply equation 2 by 2 and revrse it after that a...