balance

Q: Design a buffer that has a pH of 9.74 using one of the weak acid/conjugate base systems shown below....

A:

Q: Give a synthetic scheme to synthesize spiro[5.4] decane from a symmetrical 1,2-diol

A:

Q: the amount of

A:

Q: Calculate the molarity of a 12 L solution containing 318 g of sodium carbonate.

A:

Q: O Ethylene glycol Glycerol O Amine 48. Fats and oils (desi ghee, vegetable ghee. and refined oil) ar...

A: Analytical chemistry is branch of chemistry in which we deal with group of cations and anions. 

Q: Write the balanced net ionic equation and name the precipate formed  1. Cu (NO3)2 (aq) + Na2Co3 (aq...

A:

Q: A scientist measures the standard enthalpy change for the following reaction to be 54.7 kJ : 2CO2(g...

A:

Q: 69. The activation energy for the decomposition of HI(g) to H2 (g) and I2 (9) is 186 kJ/mol. The rat...

A:

Q: For the zeroth-order reaction: A → products, what will happen to the rate of reaction if the concent...

A: Given that, Reaction is zeroth order. So,  

Q: Consider the following two reactions:                         A → 2B           ΔH0rxn = 456.7 kJ/mo...

A: Given, A → 2B           ΔH0rxn = 456.7 kJ/mol A → C             ΔH0rxn = -22.1kJ/mol 2B → C         ...

Q: 2. Which of the following is correct about a chemical reaction? A. A chemical reaction will result i...

A: Chemical reaction is a process in which one or more substance are converted to one or more different...

Q: Identify the stereocenter(s) and assign absolute configurations where appropria based on CIP rules. ...

A: A stereo-centre or chiral centre contains a carbon having four different groups or atom. If any of t...

Q: Using A chemical reaction takes place inside a flask submerged in a water bath. The water bath conta...

A: The formula used is :-  Q = mc∆T  Q = heat released  m = mass of water  c = specific heat capacity ∆...

Q: explain briefly the principle on how to determine the concentration of syrup using hand refractomete...

A: Answer:

Q: A commercial process for preparing ethanol, C,H50H(9) , involves the process of passing ethylene gas...

A: a)  Given

Q: Calculate the pH using Henderson-Hasselbalch equation of a 50mL buffer solution made from 0.20 M HC2...

A: Henderson-Hasselbalch equation                       pH = pKa + log[conjugate base][Acid]           ...

Q: D-isomer rotates the plane of polarized light in a counter-clockwise rotation. True False

A: If the rotation of the plane of polarization is clockwise, to the right, then the rotation is called...

Q: This refers to the cubic cell type whose layer arrangement is ABABABABA ....

A: In solids, constituents particles are closely spaced.

Q: How many ml of 0.1500M H2SO4 are required to neutralize b.) 30 ml. 0.30N Ba(OH)2 c.) 20 ml. of a s...

A: Please find your solution below : Molarity and normality are the measure of concentration. Normality...

Q: A two-step synthesis of virstatin reactions are given. Give the yield and % yield of each synthesis....

A: Since you have asked a question with multiple sub-part, we will solve the yield and percent yield su...

Q: Potassium superoxide, KO, is used in rebreathing gas masks to produce oxygen. The reaction of potass...

A:

Q: Lime, CaO, can be produced in two steps as shown in the equations below. If the percentage yield of ...

A:

Q: Complete the table. Question Choices The value of ΔH0 for the reaction is -336 kJ. Determine the...

A: 1. Answer - The correct option is  (a) = 70.7 kj Solution - According to the question - Given values...

Q: В

A:

Q: S20g²- + 31- + 3I- > 2SO, + I3 Experiment [S2Os³] [I] Initial Rate -4 T1 0.08 M 0.034 M 2.20 x 10* M...

A:

Q: If 0.120 g C3H, and 0.10 g NO are allowed to mix according to the following reaction, how many grams...

A:

Q: You have a test tube containing a mixture of Ag+, Fe3+, and Ba2+ . Make a diagram to separate the gi...

A:

Q: Enumerate and differentiate briefly the different forms of calcium in the blood. EXPLAIN 3-5 SENTENC...

A: Answer - According to the question - In blood calcium exists in 3 different forms : (1) 50% as ioni...

Q: Question 9 Identify the type of isomerism exhibited by the following pairs of monosaccharides v D-gl...

A:

Q: Using balanced equations to describe the dissolution reaction, acidifying reaction, and the titratio...

A: Dissolution reaction :  To dissolve is to cause a solute to pass into a solution. Dissolving is also...

Q: What is the boiling point of an aqueous solution of ethylene glycol which is 1.70 molal? A. 0.880oC ...

A: Given, Molality of the solution = 1.70 m Boiling point of an aqueous solution of ethylene glycol (Tb...

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction i...

A:

Q: Decane undergoes thermal cracking to produce compound D and compound E with equal number of carbon ...

A:      

Q: Which type of isomerism exists between the pair of monosaccharides below? он он COH но- но HO. HO- H...

A: Given compounds are : Options are :  

Q: N:(g) + 3H:(g) = 2 NH: (g); AHrxn = -92.4 kJ, meaning the reaction is exothermic. Given the aforemen...

A: The equilibrium constant ( Kc ) characterizes the relationship among the centralizations of compound...

Q: For the species in the reaction: 2Co(s) + H2(g) 8PF3(g) → 2HCo(PF3)4(l), which component is ΔH0f equ...

A: component is ΔH0f equal to zero is given below

Q: Propose a synthesis of the following compound starting from benzene, and 1, 2, or 3 carbon alcohols ...

A: Answer is as follows :

Q: QUESTION 4 Calculate the ngineering stress (MPA on a magnesium bar with intial dunensions dianseter1...

A:

Q: 9. Figure 6 shows 4 titration curves of monoprotic strong acids titrated with 0.10 M NaOH. • As a ho...

A:

Q: Gaseous butane (CH;(CH,),CH,) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide ...

A:

Q: A chemist measures the amount of nitrogen gas produced during an experiment. He finds that 6.6 g of ...

A: Given,  Mass of nitrogen gas produced during an experiment is 6.6 g.  The number of moles of nitroge...

Q: 13. 2.50 mol NOCI was placed in a 2.50 L reaction vessel at 400°C. After equilibrium was established...

A: First calculate concentration of NOCl   

Q: Directions: Use the following terms to fill-in the blanks. The terms may be used more than once. Gas...

A:    

Q: Sketch a titration curve for the following amino acids and indicate the pKa values for all titratabl...

A:

Q: Write all pertinent computations to justify your final answer A gas tank contains 55 g of helium an...

A: Consider the given information is as follows; Mass of helium gas = 55 g    Mass of oxygen gas (O2) =...

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a certa...

A:

Q: For the reaction Ba(OH) 2 + 2HCIO 3 ---> Ba(CIO 3 ) 2 + 2H 2 O, calculate the number of moles of H 2...

A:

Q: Question 7 OH но HỌ_O но LOH Gulose Is this the D- or L- isomer? Is this the alpha- or beta- anomer?...

A: Answer of the question given below,