2,220 Answered Questions for the topic organic chemistry

Organic Chemistry Chemistry

04/25/21

What pressure is exerted by 727.2 g of CH4 in a 0.950 L steel container at 221.9 K ?
Follows • 2
Expert Answers •1
Organic Chemistry Chemistry

04/25/21

A balloon is filled with 1.00 mole of hydrogen gas. Using the ideal gas law, calculate the volume (𝑉) of the balloon at standard temperature and pressure (STP).
I need help please, like i get confused when setting the Ideal Gas Law.
Follows • 2
Expert Answers •2
Organic Chemistry Math Chemistry Percentage Yield

04/24/21

solve the following problem
In the experiment for the synthesis of paracetamol, 7.5 g of P-aminophenol (Mwt= 109.1 g/mol) is placed in a test tube containing 20 ml water, followed by adding 8 ml acetic acid (density=1.08... more
Follows • 1
Expert Answers •1
Organic Chemistry Chemistry

04/23/21

If exactly 65.1g of nitrogen is needed to inflate an airbag to the correct size, how many grams of NaN3 would you need to decompose?
I think this would be the balanced equation? 2 NaN3 --> 2Na + 3N2
Follows • 2
Expert Answers •1
Organic Chemistry Biology Chemistry Biochemistry

04/23/21

What is the difference in development of natural products as a pure, well-defined substances and as a complex extract?
Differences in development (main question)?Variation in active substances in an extract or always the same?
Follows • 1
Expert Answers •1
Organic Chemistry

04/21/21

chemistry help!
what is the boiling point of a solution of .75 mol of KBr in 1.0 kg of water?
Follows • 0
Expert Answers •1
Organic Chemistry Chemistry Biochemistry

04/21/21

Biochemistry question
Biochemists usually discuss the incorporation of unnatural amino acids into proteins produced by heterologous protein expression. What 3 things, (besides the unnatural amino acid) would... more
Follows • 1
Expert Answers •1
Organic Chemistry Chemistry Inorganic Chemistry

04/20/21

how to write reaction with conjugate base?
How do I write this reaction?I know the conjugate base of H2CO3 is HCO3- but when I do H2CO3 + H2O it doesn't give me that conjugate base? How do I do this? I need to write the equation to find the... more
Follows • 2
Expert Answers •1
Organic Chemistry Chemistry Inorganic Chemistry

04/20/21

how do i create a buffer system with ph=6.4?
Creating a buffer system:  Desired pH = 6.4What is the best acid to use?What is the pKa of the acid?Ratio Ha/A- Ratio A-/HA I was thinking to use Si(OH)4 because it has a pH of 6.4 but I'm not sure... more
Follows • 2
Expert Answers •1
Organic Chemistry Chemistry Inorganic Chemistry

04/20/21

How do you determine ph when concentration of futylamine is equal to concentration of conjugate acid graphically?
I have a titration curve, and I have the concentration for futylamine, but not the conjugate acid. I also have the molecular equation and net ionic one and an expression for ka, but I have no idea... more
Follows • 2
Expert Answers •1
Organic Chemistry Chemistry Inorganic Chemistry

04/20/21

why is it harder to determine experimentally the pka and ka of Hcl?

in class, we experimentally recorded pH vs volume of base added to find the equivalence pt and therefore, pka. a question asks why we didnt experimentally derive a strong base/strong acid (HCl).... more
Follows • 1
Expert Answers •1
Organic Chemistry Chemistry

04/18/21

1. Calculate the hydronium ion concentration, [H3O+] , for a solution with a pH of 7.48 . QUESTION #2 : What is the pH of a bleach solution that has a [OH−]=2.8×10−3 M?
I am having trouble with these two questions can someone please furthermore explain them.
Follows • 2
Expert Answers •1
Organic Chemistry Science Biology Chemistry

04/16/21

How agrin and also neuregulin work to maintain muscle viability ?
How agrin and also neuregulin work to maintain muscle viability ?
Follows • 1
Expert Answers •1
Organic Chemistry Chemistry Biochemistry

04/15/21

can someone help me please differentiate what is soluble from slightly soluble.
Since searching the net makes me even more confused.
Follows • 2
Expert Answers •1
Organic Chemistry Science Biology Chemistry

04/14/21

Need to solve before midnight! Please send help, thank you!
A gas sample initially has a temperature of 150K and a pressure of 409kPa. If the other gas parameters are kept constant, and the temperature is adjusted to 436K, what is the new pressure in kPa?
Follows • 1
Expert Answers •1
Organic Chemistry

04/13/21

product of butyric acid + p2o5 and heat

Follows • 1
Expert Answers •1
Organic Chemistry

04/13/21

Ethyl Benzoate plus water and heat

Follows • 1
Expert Answers •1
Organic Chemistry Science Biology Chemistry

04/13/21

I need help solving equation before midnight! Help, please and thank you very much!
A sample of 568 mL of chlorine gas originally at 25° C was cooled to -25° C. What is thevolume of the cooled gas?
Follows • 2
Expert Answers •1
Organic Chemistry Science Biology Chemistry

04/13/21

I need help solving before midnight! Please and thank you !!
A container holds 50.0 L of nitrogen at 25° C and a pressure of 750 mm Hg. What will beits volume if the temperature increases to 35° C?
Follows • 1
Expert Answers •1
Organic Chemistry Science Chemistry

04/13/21

Calculate the standard entropy change for the reaction.
PCl5(g)      PCl3(g) + Cl2(g) Compound S° (J mol-1 K-1) PCl5 (g) 352.7 PCl3 (g) 311.7 Cl2 (g) 223.0
Follows • 2
Expert Answers •1
Organic Chemistry Science Chemistry Biochemistry

04/13/21

HELP! I need help solving these chemistry questions before midnight! Please and thank you!
a.A sealed container of an unknown gas has a volume of 2.5 L and a pressure of 5 atm at 25​o​C.How much gas is in the container?b.If the mass of the gas in the container is 40.5 g, what is the... more
Follows • 1
Expert Answers •1
Organic Chemistry Science Chemistry Physics

04/13/21

I need help before midnight! Please and thank you!
What ​mass​ of chlorine gas is contained in a 10.0 L container at 27°C and 3.50 atm of pressure?
Follows • 1
Expert Answers •1
Organic Chemistry Math Science Chemistry

04/12/21

quantum numbers
a.) List all of the possible values for l in the 2nd energy level (n = 2). Leave fields blank if they are not needed.
Follows • 2
Expert Answers •2
Organic Chemistry

04/12/21

Please help e solve this and show me how you did it
Students attempted to distill ethanol from liquors and spirits to help pandemic frontliners in the problem of disinfectant-shortage . Three-time redistillation was conducted to generate 20 L... more
Follows • 1
Expert Answers •1

04/12/21

In the above equation how many moles of water can be made when 180.7 grams of HNO3 are consumed?
S   +   6 HNO3  -->  H2SO4  +  6 NO2  +   2 H2OIn the above equation how many moles of water can be made when 180.7 grams of HNO3 are consumed?Round your answer to the nearest tenth. If you... more
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.