Given the pH chart of different acid-base indicators, which indicator is appropriate for dimethylamine – HCl titration? Methyl orange OBromthymol blue Ophenolphthalein OAlizarin yellow 14 13 12 111 10 9 8 6. 2 0f What is the color of the solution at the end- point? Olight orange Ogreen Olight pink Ored orange Hd Methyl violet Thymol blue Methyl yellow Bromphenol blue Methyl orange Methyl red snunI Bromthymol blue Phenol red Phenolphthalein Thymolphthalein TIII Alizarin yellow

Q: In 100 ml of solution there are Ca2+ ions 0.25 M and Ba2+ 0.05 M. Calculate the mass of Na2SO4 that ...

A: Ksp of CaSO4 = 4.9 x 10-5 Ksp of BaSO4 = 1.1 x 10-10 [Ca2+] = 0.25 M [Ba2+] = 0.05 M   The amount of...

Q: A local FM radio station broadcasts at a frequency of 96.7 MHz. Calculate the wavelength at which i...

A:

Q: The solubility of magnesium fluoride, , in water is 1.5x10^-2 g/L. What is the solubility (in grams ...

A:

Q: : Synthesis the followiong reactions (five only). 1) Cyclohexyne + 2H, - PI (850-900)C 2) 3) CH,CH,C...

A: As per question guidelines I have solved 5 parts. 

Q: The enzyme aldolase catalyzes the conversion of fructose-1,6-diphosphate (FDP) to dihydroxyacetone p...

A: Given that, the enzyme aldose catalyzes the conversion of fructose-1,6-diphosphate (FDP) to dihydrox...

Q: Calculate the energy for each level of the H and He". HYDROGEN Orbit Energy N= 1 n=2 n =3 n = 4 N =5...

A: We have to calculate the energy for each level of the H and He+ in this question:

Q: Complete the following equations, which show why each substance is a Brønsted-Lowry acid or base: a....

A:

Q: One of the steps in the commercial process for converting ammonia to nitric acid is the conversion o...

A:

Q: 5. How many grams of Calcium will it take to replace 1 gram of Hydrogen?

A: No of moles = Mass / Molar mass

Q: Indicate the products of the reaction of 2-hexanone with aqueous I2/NaOH and with subsequent hydroly...

A: The ketone having alpha- methyl group reacts with I2 and NaOH followed by little acidic workup to pr...

Q: Question 11 The following test data were obtained for an aqueous solution of calcium chloride. Mass ...

A:

Q: If you had a 50 mL volume of 1% agarose gel to create with appropriate amount of SYBR Gold how would...

A:

Q: For a gas sample whose total pressure is 740 torr, what are the partial pressures if the moles of ga...

A: Given Data : Moles of N2 = 1.3 mol Moles of O2 = 0.33 mol Moles of Ar = 0.061 mol

Q: How is ti that the salt KHSO4 is able to act as an acid catalyst for the dehydration of cyclohexanol...

A: Dehydration is a chemical reaction which involves the elimination of water.

Q: How many grams of lead sulfide are used to produce 126 grams of lead oxide

A: Given, mass of lead oxide = 126 grams Molar mass of lead oxide = 223.2 g/mol  

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

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: A biogas-plant converts biomass into methane. From a certain substrate, 52% (w/w) methane can be obt...

A:

Q: Use the periodic table to arrange the elements given in order from smallest to largest atomic radii....

A:

Q: The reaction between magnesium and hydrochloric acid is a single displacement reaction which produce...

A: In this question, we have to give a balanced chemical equation, write reaction between magnesium and...

Q: Which one of the compounds shown below is an aldehyde? Он H-C-H CH3CCH;CH3 CH3-0-CH3 CH3CHCH,CH3 CH;...

A: In this question we have to just detect a functional Groups of given organic compounds .  

Q: A1 liter solution contalns 0.403 M acetic acid and 0.537M potasslum acetate. Addition of 0.201 moles...

A: Given data : Moles of acetic acid = Concentration × Volume = 0.403 M × 1 L = 0.403 mol Moles of pota...

Q: pls.ans.wer... ASAP. I really need help. you dont have to show all the steps but just help pls. I wi...

A:

Q: How much energy does it take to turn 10g of liquid water into a gas at the boiling point? Heat of va...

A: Given data : Mass (m) = 10 g Heat of vaporization (ΔHvap ) = 540 cal/g

Q: The following IR spectrum corresponds to which compound? Explain. 000 ce 000 Wavenumber, cm Transmit...

A:

Q: 3.25 mL of Biomarker A (4.21 x 10-7 mol L-) was brought up to volume with deionized water in a 50 mL...

A: Given data : Initial volume(V1) = 3.25 mL Initial concentration(M1) = 4.21 × 10-7 mol L-1 Final volu...

Q: A compound with the molecular formula C8H8O produces an IR spectrum with signals at 3063, 1686, and ...

A: Index of hydrogen deficiency (IHD) indicates the degree of unsaturation . It will help to identify t...

Q: I pH

A:

Q: A 12.63 g sample of calcium ore was dissolved in HCl and gravimetrically analyzed, through the preci...

A: Solution - According to the question - Given - Mass of calcium ore = 12.63 g Mass of pure CaCO3 = 2....

Q: Consult the table in the hint to find the bond energies for bonds between hydrogen and Group 16 elem...

A: Consult the table in the hint to find the bond energies for bonds between hydrogen and Group 16 elem...

Q: . Calculate the wavelength (in nm) of the red light emitted by a barcode scanner that has a frequenc...

A:

Q: 2. · Both CCI4 (carbon tetrachloride) and CS2 (carbon disulfide) are liquids used as solvents in spe...

A: Given reactions:

Q: A1 liter solution contalns 0.409 M nitrous acid and 0.307 M potassilum nitrite. Addition of 0.337 mo...

A: Given, Volume V = 1L Concentration of Nitrous acid = 0.409M  Conc. of potassium nitrite = 0.307M Add...

Q: Photons of Illght with a wavelength of 97 nm are belng directed through a chamber of hydrogen gas at...

A:

Q: Given the relationship between absorbance and equilibrium shift, why do you get an absorbance of 1.2...

A: Given: an absorbance of 1.245 for the addition of AgNO3 is observed when the absorbance of the refer...

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

A: Given structure : Above structure has Carbon with four bonds. So 4×2 = 8 electrons  So carbon follo...

Q: Question 6 A mercury "button" battery is used when we need electrical energy in small spaces. Zinc m...

A: Correct option is D  

Q: How many grams of solld ammonium chloride should be added to 0.500 L of a 5.15x10-2 M ammonla soluti...

A: Given,  Molarity of  ammonia = 5.15 × 10-2 M.  Volume = 0.500L. The pH of the buffer is 8.730  The m...

Q: 2 1 m= 1 kg R= 0.50 2 Cy = 0.5 kJ/kg K Process path (straight line) P 1 V =1 m3 P= 300 kPa V= 0.5 m3...

A:

Q: 8. Glycolysis involves ten biochemical reactions. The first two reactions of the glycolysis cycle ar...

A: Given that, two reactions are given below (1) C6H12O6(aq) + ATP(aq) ↔G6P(aq) + ADP(aq), ∆H1 = -19.74...

Q: Complete the following solubility constant expression for CaF2. K sp

A:

Q: Calcium in a sample solution is determined by atomic absorption spectroscopy (AAS). A stock solution...

A: According to Beer's law, absorbance of a solution is directly proportional to its concentration. Mat...

Q: A 1.00 L buffer solution is 0.200 mol L-1 in C6H5COOH and 0.250 mol L-1 in C6H5COOLI. The Ka for C6H...

A:

Q: Indicate the atom in the molecule below with the highest electron density. [Image description: The c...

A:

Q: follow to calculate the value of ΔH° for the reaction: 4 B  2 A + C + 2 F A + 2B   E       ΔH° =

A: Using Hess's law,  Enthalpy of a reaction is always remains constant whether reaction completes in o...

Q: Bromocresol Green is an indicator with a pka of 4.9. Its protonated form is yellow and its ionized f...

A: Given, the pKa of bromocresol green = 4.9 The color of its protonated form is yellow and the ionized...

Q: A monatomic ion with a charge of +1 has an electronic configuration of 1s²2s²2p⁶3s²3p⁶ What is the ...

A: Given configuration of ion--- 1s² 2s² 2p⁶ 3s² 3p⁶    

Q: What is the most commonly used fuel for FAAS, acetylene-N20 or acetylene-air? Only one is correct

A:

Q: A good rule-of-thumb for a weak acid-strong base titration is to choose an indicator whose transitio...

A: In a corrosive base titration, the titration bend mirrors the qualities of the comparing corrosive a...

Q: 3. Which 3-carbon molecule(s) from the following families would you predict to be a gas at room temp...

A: Boiling point: The temperature at which the vapor pressure of a liquid becomes equal to the atmosphe...

Q: 0.450 g of HClO3 in 2.10 L of solution

A:

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.