2,220 Answered Questions for the topic organic chemistry

Organic Chemistry

12/09/18

ZNSO4 and water net ionic equation
The compound zinc sulfate, ZnSO4 is soluble in water. Write the net ionic equation for the dissociation reaction that occurs when solid zinc sulfate dissolves in water: write the net ionic equation
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Organic Chemistry Chemistry Biochemistry

12/09/18

Chemistry Homework Help
An NaoH solution was prepared by diluting 3.00 mL of a 20.0 M NaOH stock solution to a final volume of 500 mL. What is the molarity of the new solution?
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Organic Chemistry Chemistry

12/08/18

What volume of a 0.335M  solution is required to neutralize21.7 mL of a 0.146 M Ba(OH)2 solution?
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Organic Chemistry Chemistry

12/08/18

How many mL of a 0.131 M aqueous solution of iron(III) fluoride, , must be taken to obtain 5.24 grams of the salt?
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Organic Chemistry Chemistry Biochemistry

12/05/18

CHEMISTRY QUESTION

I've tried this question again and again but my solution is incorrect... can someone pls help me?What amount of thermal energy (in kJ) is required to convert 40.7 g of ethanol at -158 °C completely... more
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Organic Chemistry Chemistry Biochemistry

11/30/18

Equilibrium help

the reactions for 1 and 2 below, take place at 20°C, and answer the following questions.1) H​2S​ O​3(​ g) ⟶ SO​2(​ g) + H​2​O(g) △Go​ ​ = +25kJ mol-​ 12) H​2(​ g) + Cl​2(​ g) ⟶ 2 HCl(g) △Go​ ​ =... more
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Organic Chemistry Chemistry Biochemistry

11/30/18

What is the molecular geometry and why?

XeCl​2​ , ICl​3​ , TeF​4​ , PCl​5what is the molecular geometry of these and why
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Organic Chemistry Chemistry Biochemistry

11/28/18

I need help on finding the initial equilibrium concentrations

A+2B=3cthe reaction mixture is samples prior to the equilibrium being reached. It is determined that the reaction must proceed to the left for equilibrium to be reached. When the reaction mixer is... more
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Organic Chemistry Chemistry Biochemistry

11/28/18

How to find initial concentration
A+2B=3cthe reaction mixture is samples prior to the equilibrium being reached. It is determined that the reaction must proceed to the left for equilibrium to be reached. When the reaction mixer is... more
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Organic Chemistry Chemistry Biochemistry

11/28/18

What is the equilibrium constant

A + 2B =3C if the equilibrium concentrations are A=0.413M B=0.414M C= 0.228. What is the equilibrium constant
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Organic Chemistry Chemistry Biochemistry

11/28/18

Rate question of decomposition

Decomposition of H2O2 was observed for several days. Initially the H2O2 was present at 0.50mol L-1 after 2 days the H2O2 was 0.25mol L-1 what is the rate of this reaction
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Organic Chemistry Chemistry Biochemistry

11/28/18

Entropy change question help
N2+3H2=2NH3 is an equilibrium reaction and is 7.07x10-4 mol L-1 at 623k.given that the enthalpy of the reaction is -92kjmole-1 what is the entropy change at this temperature. Note R= 8.134J k-1mol-1
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Organic Chemistry Chemistry Biochemistry

11/25/18

I've a problem with ranking compounds
thank you for taking some time for this, these two questions i dont get:arrange the following bonds in order of polarity, from the least polar to the most polar: H-H, O-H, Cl-H, S-H, and F-HRank... more
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Organic Chemistry Chemistry Biochemistry

11/22/18

What changed rate of reaction?
. Which of the following changes is likely to ​DECREASE​​ the rate of a reaction?A. increasing the activation energyB. increasing the concentration of reactants C. increasing the temperatureD.... more
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Organic Chemistry Chemistry

11/22/18

In the following reaction, what is being oxidized, and what is being reduced?

In the following reaction, what is being oxidized, and what is being reduced? Cl​2​ (g) + 2NaBr (aq) → 2NaCl (aq) + Br​2​ (g)A. Cl–​ ​ in NaCl is oxidized; Br–​ ​ in NaBr is reduced. B. Cl​2​ is... more
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Organic Chemistry Chemistry Biochemistry

11/22/18

Equilibrium constant

Consider the reactions 5a and 5b, below, taking place at 25 °C, and answer the following questions.5a H​2S​ O​3(​ g) ⟶ SO​2(​ g) + H​2​O(g) △Go​ ​ = +10 kJ mol-​ 15b H​2(​ g) + Cl​2(​ g) ⟶ 2 HCl(g)... more
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Organic Chemistry Chemistry Biochemistry

11/22/18

What is the molecular structure of these and why?
XeCl​2​ , ICl​3​ , TeF​4​ , PCl​5what is the molecular structure of these and why?
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Organic Chemistry Chemistry Biochemistry

11/22/18

Enthalpy question

The heats of formation of CH​4(​ g), H​2O​ (g) and CO(g) are -890.4 kJ mol-​ 1​, -241.8 kJ mol-​ 1 and -110.5 kJ mol-​ 1​ respectively. Determine the enthalpy change for the reaction and state... more
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Organic Chemistry Chemistry Biochemistry

11/22/18

Equilibrium.... shift of equilibrium

Oxygen can be converted to ozone (O​3)​ in the following reaction:3 O​2(​ g) + heat ⇌ 2 O​3​(g)All of the following changes at equilibrium will shift the reaction to products except:A. adding O​2​... more
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Organic Chemistry Chemistry

11/16/18

Polymers are often made from compounds extracted from petrochemicals. What are the environmental impacts of using these compounds?
Please help me with organic chemistry!Thanks!
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Organic Chemistry Chemistry

11/16/18

Polymer research is expensive and often does not result in a successful product.
What is the benefit to companies doing polymer research? What are the risks of polymer research?Thanks!
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Organic Chemistry Chemistry

11/16/18

What factors contributed to the early success of nylon and neoprene?
Organic chemistry please help!
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Organic Chemistry Chemistry

11/16/18

Organic chemistry question about polymers

Nylon is a synthetic polymer, but the chemical bond between the monomer units is the same type of bond that links the monomer units in silk, hair, and wool. These natural polymers are proteins made... more
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Organic Chemistry

11/08/18

What is the charge of the calcium ion in CaCr2O7?
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Organic Chemistry

10/29/18

4. Analysis of antacid tablets
Tablet mass / g Start Volume/mL Finish Volume/mL Titre/mL 1.30 4.90 21.25 16.35 1.27 21.25 38.60 17.35 From the titration of the antacid tablets, determine the number of moles... more
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