Provide a brief introduction/background of the molecule Oseltamivir (Tamiflu) and include a brief description of what the molecule is and how the molecule is used. Discuss how does the structure plays a role in its function and why is the shape of the molecule important to its function?

Part 1:

Part 2:

Part 3:

1.According to your observations, in Part 2 and Part 3, did your buret values agree with one another? If not, how would you explain the difference?

2. What conclusions can you draw when you compare Part 1 to Part 2? What about when comparing Part 1 to Part 3? Explain your reasoning.

3. Given the following, determine which set(s) correctly represents a buffer system. Explain your reasoning.

1. NaNO₃

HF and KF

HCl and NaOH

HC₂H₃O₂ and NaC₂H₃O₂

4. What is the pH of a solution prepared by dissolving 1.00 g of Ca(OH)₂ in water to make 875 mL of the solution? Show your calculations.

5. Given the following pair, determine which one is more basic. Explain your reasoning.

Photo developer with a pH of 12.0 or a solution of borax with a pH of 9.2

Chlorine gas reacts with ammonia to form nitrogen gas and ammonium chloride. If 70 g of chlorine and 50 g of ammonia form 6.2 grams of nitrogen, what is the percent yield of this reaction? What is oxidized? What is reduced?

define a buffer and give two examples of buffer solutions?

Aqueous hydrochloric acid (HCl) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaCl) and liquid water (H2O). If 12.9 g of sodium chloride is produced from the reaction of 19.7 g of hydrochloric acid and 40.8 g of sodium hydroxide, calculate the percent yield of sodium chloride. Round your answer to 3 significant figures.

what is the difference between chemistry and chemical engineering ??
is it both are same ??
howmuch syllabus is same as for both ??
what exactly chemist do and what exactly chemical engineer do ??

A galvanic cell consists of a iron electrode in 1 M Fe(NO3)2 and a copper electrode in 1 M Cu(NO3)2. What is the equilibrium constant for this reaction at 25oC? Enter you answer with 2 significant digits, using the syntax of "1.0x10(22)" for "1.0x1022

What is the cell potential (emf, in V) of this cell at 25^oC?

Cu |Cu²⁺ (0.0510 M) ‖ Br₂ |Br^- (0.363 M)

What mass (in g) of aluminum can be electroplated when 0.855 amps are used for 1.029 hours using a solution of aluminum nitrate?

What mass (in g) of silver can be electroplated when 0.781 amps are used for 1.281 hours using a solution of silver nitrate?

Calculate the wavelengths of the following objects:

a muon (a subatomic particle with a mass of 1.884 × 10–25 g) traveling at 320.0 m/s

an electron (me = 9.10939 × 10–28 g) moving at 4.20 × 106 m/s in an electron microscope

a 77.0 kg athlete running a "4-minute mile" (i.e. 4.00 min/mile)

Earth (mass = 5.80 × 1027 g) moving through space at 2.90 × 104 m/s

A. Beta emission is associated with: (SELECT ALL THAT APPLY)

a, b, c, d, e, f, g

B. Electron-capture is associated with: (ALL THAT APPLY)

a, b, c, d, e, f, g

C. Alpha emission is associated with (ALL THAT APPLY)

a, b, c, d, e, f, g

D. Positron emission is associated with (SELECT ALL THAT APPLY)

a, b, c, d, e, f, g

a. increase in mass number

b. emission of a photon

c. decrease in mass number

d. conversion of a proton to a neutron

e. decrease in atomic number

f. increase in atomic number

g. conversion of a neutron to a proton

For Kl and lithium phosphate give the cation name and symbol, anion name and symbol, and chemical formula.

Which is an impossible ectron configuration?

1s22s2

1s32s22p4

1s22s22p4

1s22s22p43s1

1s22s22p43s2

Part A. How many grams of NH3 can be produced from 4.78 mol of N2 and excess H2.

Part B. How many grams of H2 are needed to produce 10.52 g of NH3?

Part C. How many molecules (not moles) of NH3 are produced from 5.64×10⁻⁴ g of H2?

Avogadro’s Law. Now imagine that you open the jar and pull the balloon out. Now imagine that you put 3.00 g of the same gas in another balloon at the same pressure and temperature. (a) The volume of the second balloon is _____ times _______________than the volume of the first balloon at the same conditions. In this experiment (pressure/temperature/amount) (is/are) constant. (b) Calculate the new volume using the ideal gas law. (c) Now explain the change in volume from behavior of the gas molecules.

Q1/50 grams of an unknown metal at a temperature of 100 ºC is placed in a calorimeter that holds 25.0 grams of cold water (10 ºC). After 10 minutes, the temperature of the mixture stabilizes at 24 ºC. What is the specific heat capacity of the unknown metal? (Specific heat of water is 4.184 J  g 1  C1 ) a. 0.496 J d. 0.335 J b. 0.421 J e. 0.689 J c. 0.385 J

the answer is B 0.421 J but i dont know how?

Q2/ How many grams of methane must be burned to produce 1000 kJ of energy, according to the following reaction:: CH4  2O2 CO2  2H2O H = –890.4 kJ a. 90 g d. 18 g b. 9 g e. 38 g

The answer is D 18g but i dont know how

Would your calculated percent NaNo2 by mass by larger than, smaller than or unchanged from the correct value as a result of the following mistakes? Show your reasoning or calculations when appropriate.

A) You neglected to open the stopcock on your buret prior to the evolution of nitrogen gas.

B) Your measured temperature was erroneously recorded 5 degrees C higher than actual temperature.

C) You neglected to correct for the vapor pressure of water in your calculations.