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Q: Draw all constitutional isomers formed when each alkene is treated with NBS + hv.

A: a. Given compound is shown below:

Q: A 0.124 M sample of a weak acid is 4.39% ionized in a solution. What is the hydroxide concentration ...

A: Assuming the weak acid is mono protic in nature  Hence the acid can be assumed as HA Hence the ionis...

Q: Please help

A: Molarity is the units of concentration. It is defined as the number of moles of solute present in 1L...

Q: Need the answers to d-g

A:

Q: Consider the following aqueous equilibrium.   Zn(H2O)42+(aq) + 4 NH3(aq) ⇌ Zn(NH3)42+(aq) + 4 H2O(l)...

A: Since the equilibrium constant of the reaction is given =  1.2 x 10+9  Hence we can say that the val...

Q: Balance the following redox reactions using water in acidic medium. Show full solution.  ClO3- +   ...

A: The oxidation half and the reduction half are shown in equation (1) and (2) respectively.

Q: Calculate the amount of heat absorbed by 10.0 grams of ice at -15.0°C in converting it to liquid wat...

A: Any substance upon heating tends to change its state from solid into another state that is liquid. T...

Q: a) Given that AgNO3 is -124.4 kJ/mol, at standard conditions, what is dH when 56g of AgNO3 (M = 169...

A: The chemical reaction in which the energy is needed for the reaction then the reaction will be the e...

Q: A 75.0 mL solution of magnesium hydroxide was titrated with 22.68 mL HCl. Find the concentration of ...

A: The reaction taking place will be  Mg(OH)2 + 2 HCl -----> MgCl2 + 2 H2O hence from the above reac...

Q: What is the product of the net ionic equation, given the following balanced molecular equation? Plea...

A: The process which involves the change of one kind of chemical substances to the other chemical subst...

Q: is this true or false if its false then why ?

A: The use of dissociation constant is to measure how well an acid or a base is been dissociated. For a...

Q: A chemistry graduate student is studying the rate of this reaction: 2N,0, (g)→ 2N,0, (g)+0, (g) She ...

A: To determine the rate law we have to ensure the order of the reaction first. Thus we can use the cha...

Q: a. What is the mass percent of NaCl if 6 grams of NaCl dissolved in 123 grams of solution?  b. What ...

A:

Q: SOLVENT BOILING POINT Kb FREEZING POINT Kf Water 100.00 °C 0.52 °C/m 0.000 °C 1.86 °C/m Benzene 80.0...

A: Given information: Mass of solute = 50.0 g Mass of water = 125 g Pure boiling point (Tbo) = 100 °C B...

Q: Each of the following solutions have water as the solvent. Rank them in order of increasing boiling ...

A: The solutions given are 2.0 m NaCl, 2.5 m methanol, and 1.2 m Al(NO3)3. The solution that will have ...

Q: 2- Use the heating–cooling curve below to answer the following questions.   a) What is the freezing ...

A: From the given curve we can see that a fixed amount of substance is taken initially as solid at 0 he...

Q: When methanol, CH3OH, is burned in the presence of oxygen gas, O2, a large amount of heat energy is ...

A: Given: Heat energy produced due combustion of methanol = -515 KJ ΔH = -764 KJ/mol Molar mass of CH3O...

Q: How many hydrogen atoms are needed to complete the following structure?

A: The given structure is having all single bonded carbon chain and is having 6 Carbon. The chain can b...

Q: Find the answer please.

A: Given Data:

Q: Equilibrium is established for the resction 2X(s) + Y(g) <---> 2Z(g) at 500K, Kc = 100. Determ...

A: The given reaction would be: 2X + Y <==> 2Z   

Q: 3. If I want to produce 50 grams of MgCl2, how many mL would I need of 0.75M HCI?

A: Given: Mass of MgCl2 = 50 g Concentration of HCl = 0.750 M Molar mass of MgCl2 = 95.211 g/mol

Q: 1. a. How many grams of CH3CH2CO2NA should be added to 1.50 L of a 0.250 M CH3CH2CO2H solution to ob...

A: At equilibrium CH3CH2COOH ionizes as ,                              CH3CH2COOH  ⇌  CH3CH2COO-  +  H+...

Q: Which of the following oil and fat is healthier? Why?  Coconut oilPeanut oilOlive oil Canola oilSaff...

A: Saturated fats: Saturated fat is mostly present in processed food or extremely fried food which comm...

Q: Which of the following statements is the best explanation of how activation energy affects the rate ...

A: Since more is the activation energy, more will be the energy required by the molecules to overcome t...

Q: The compound above exists in the form of ________ isomer. a. a cis- b. a trans- c. both a cis- and a...

A: Since for any compound to exhibit cis-trans isomers, the compound should not be symmetrical in natur...

Q: 2CO2+O2=2CO2 What mass of O2, in grams, is needed to react completely with a 25.0g of CO?

A:

Q: A metal can be involved in a covalent bond. True False

A: False

Q: Rosmarinic acid is an antioxidant isolated from rosemary. Draw resonance structures for the radical ...

A: Structure of rosmarinic acid is given below:

Q: 2.50 g of hydrogen is reacted with 30.0 L of carbon monoxide at STP to produce CH3OH. What is the ex...

A:

Q: Which is the strongest base? A) acetate ion B) benzoate ion C) salicylate ion D) hypochlorite ion

A: Among all these 4, the hypochlorite ion is the strongest base.

Q: During lipid metabolism experiment, several reagents were used, what is their role of the TLC develo...

A: Lipid metabolism can be studied properly with the help of thin layer chromatography (TLC). During li...

Q: A buffer is made by adding 0.18 mol/L of sodium propanoate (NaPr) to 0.12 mol/L solution of propanoi...

A: All solutions hold specific characteristics in pH value terms. This value describes how acidic or al...

Q: What is the cell potential for the following reaction at room temperature?Al(s) ∣ Al3+(aq) (0.15M) ∥...

A:

Q: A buffer is made by adding 0.18 mol/L of sodium propanoate (NaPr) to 0.12 mol/L solution of propanoi...

A: a) Since the acid HPr is a weak acid  hence its salt i.e NaPr will undergo hydrolysis as per the rea...

Q: How many grams of CH3CH2CO2 Na should be added to 1.50L of a 0.250M CH3CH2CO2H solution to obtain a ...

A: Since the pH of a buffer solution is given by Henderson-Hasselbalch equation as pH = pKa + log( [sal...

Q: A new element is discovered and has three stable isotopes. The atomic weight of the element is 269.7...

A: When an element's existence in earth occurs in more than one form (isotopes), the mass of that eleme...

Q: -1 R=0.0589 kPa·km -4 Convert R to kJ•m

A: A NASA spacecraft measures the rate R of at which atmospheric pressure on Mars decreases with altitu...

Q: Using standard reduction potentials, calculate Een for each of the following reactions as written: a...

A: a) Write the half-reactions for each process:- Now the E°cell of the reactions -  

Q: Explain why hydroxide ion catalyzes the reaction of piperidine with 2,4-dinitroanisole but has no ef...

A: The mechanism of the reaction taking place between piperidine and 2,4- dinitroanisole is as follows:

Q: Draw a titration curve for the reaction of CH3NH2 with HCL.

A: It is a titration of Strong acid Vs Weak base. Here, CH3NH2 is a weak base and HCl is a strong acid....

Q: Calculate the pH of the solution:

A: The equivalent point means the point or the level at which the same moles of basic species is added ...

Q: Which of the following solutions has the lowest electrical conductivity? A) 0.10 M aqueous ammonia B...

A: Electrical conductivity of a solution depends on extent of dissociation of solute and also nature of...

Q: draw the most stable chair conformation of the cis-1-chloro_2_tertbutylcyclohexane and estimate the ...

A: The most stable chair conformation of the cis-1-chloro-2-tertbutylcyclohexane.    

Q: Using the Clausius-Clapeyron equation determine the vapor pressure of water at 70.0°C. The molar hea...

A: Numerical is solved by using Clausius - Clapeyron equation . Given R= constant 8.314 J.mol-1.K-1 ΔH...

Q: For D. Determine the mechanism

A:

Q: The normal boiling point of a liquid is 282 degrees Celsius. What is the vapor pressure of this liqu...

A: Clausius-Clapyron equation,  

Q: Find the answer please.

A: (a) The ionization of weak base diethyl amine in water is,                The equilibrium expressio...

Q: Draw a second resonance structure for each radical. Then draw the hybrid.

A: Resonance structure is the structure that gives stability to the molecule by the delocalization of p...

Q: (NH4)2S is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.7...

A: Since we know that the strong electrolytes dissociates into ions completely  Hence the dissociation ...

Q: A 20 ppm solution of a DNA molecule (unknown molecular weight) isolated from Escherichia coli was fo...

A: The question is based on Beer's law equation. The formula for the Beer's law is as follows: