Environmental Chemistry Assignment | Professional Essay Writers

1. (2 pts) The air that we breathe contains nitrogen and oxygen. Technically, they can react – see the reaction below. However, equilibrium constant K for this reaction is very small, meaning it favors reactants. What could you do to shift the equilibrium to the right, towards the product? N2(g) + O2(g) + 2NO(g)|. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

What is the exact newman projection of the following molecule? Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America. www.myhomeworkwriters.com Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

How much heat energy is required to convert 60.2 g60.2 g of solid ethanol at −114.5°C−114.5°C to gasesous ethanol at 169.9°C169.9°C? The molar heat of fusion of ethanol is 4.60 kJ/mol4.60 kJ/mol, and its molar heat of vaporization is 38.56 kJ/mol38.56 kJ/mol. Ethanol has a normal melting point of −114.5°C−114.5°C and a normal boiling point of 78.4°C78.4°C.The specific heat capacity of liquid ethanol is 2.45J/g⋅°C2.45J/g⋅°C, … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

Which of the following pairs of liquids will be miscible? a.) C6H14 and C8H18. b.) CH3CO2H and C6H6. c.) CCl4 and CH3OH. d) C7H16 and CH3CH2OH. e) CH3CO2H and CCl4. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

Rank the substituents shown below in order of Cahn-Ingold-Prelog priorities (1 = highest priority group, 4 = lowest priority group). -H -NH2 -C1 -oCH, Submit Answer. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America. www.myhomeworkwriters.com Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

Rank the substituents shown below in order of Cahn-Ingold-Prelog priorities (1 = highest priority group, 4 = lowest priority group). -CH3 -CH Br -CHC2Cl -CH2OH – Submit Answer. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America. … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

  Give the IUPAC name for the following compund. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America. www.myhomeworkwriters.com Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

Two 20.0 g ice cubes at -19.0°C are placed into 245 g of water at 25.0°C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature, T3 of the water after all the ice melts. Tf=____________________.Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

Write the balanced equation for each step in glycolysis (conversion of glucose into pyruvate). Calculate the free energy change (in kJ/mol) for this overall pathway. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America. www.myhomeworkwriters.com Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

The spectroscopic data in the table is generated with five solutions of known concentration. Concentration             (M) Absorbance 0.0130                             0.106 0.0260                             0.212 0.0520                          … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

The concentration of a dilute aspirin solution is 0.000534 M. Standard solutions of this compound were used to prepare a Beer’s law plot which gives a slope of 1550.0 M. What is the expected absorbance value for the aspirin solution? Answer. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

Part A 2H2(g) +02( ) — 2H,09) + 483.6 kJ a. Exothermic reaction. b, Endothermic reaction. Part B 6CO (9) + 6H4O(0) + 15000 kJ | CHAO, (a) + 6O5(g) a. Exothermic reaction. b. Endothermic reaction. Part C 2Al(s) + Fe203 (s) — A1,03 (s) + 2Fe (s) +850 kJ a. Exothermic reaction. b. Endothermic reaction. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

sheet 8.6: Equilibrium and pka – Ka = [H*]x[A]/[HA], where […] represents the equilibrium concentrations of each species pka = -log(ka) Here are the pka values for the species involved in Questions 1 and 2. Calculate the Ka values for each! ка pK, 15.7 H20 NH3 CH4 PK 33 pKg > 55 NH4+ pka 9.8 Finish the sentences: a. The larger the Ka, the … … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

1. How will you determine which dyes are present in the beverage that you have chosen to analyze? 2. How will you determine the concentration of each dye present in the beverage? 3. By what factor will you change the concentration as you monitor the absorbance/transmittance of the solution? 4. Write a preliminary plan for your experimental procedure. Include what each member of your team … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

1. Define Amax. How can solutions of different colors be used to determine the relationship between color and max? 2. At what wavelengths should the readings be taken? 3. If your solution is too strong or too weak to give accurate readings, what will you do to get better results? 4. What is the relationship between absorbance and transmittance? 5. How can you use serial … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

1. How many grams of rock would be required to yield 3.00 grams of iron? Post-lab Exercises. 2. A 35.2 gram rock was found to be 32.0% iron, 28.0% oxygen, 18.5% aluminum, 12.5% carbon, and 10.0% silicon. Answer the following questions about this rock: Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

An aqueous solution is prepared by dissoving 5.6L of NH3 gas, measured at STP in enough water to produce 750.0mL of solution. Calculate the pH of this solution? Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America. www.myhomeworkwriters.com Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

The recommended dose of a drug is 17.5 mg for each kilogram of body mass. a) How much of the drug should a person take who weighs 84 kg take? b) What should be the minimum mass of a person taking a tablet containing 3. 50. mg of the drug, if they are not to get an overdose of the drug? Dr. PeterTOP ACADEMIC WRITER … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

What type of polymerization this molecule will react? Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America. www.myhomeworkwriters.com Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

A closed rigid container 0.5m^3 has equal mass of vapor and liquid water at 1 bar. Please find the volume of vapor in the container. Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America. www.myhomeworkwriters.com Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

Write a balanced net reaction for the reduction of Lipoic acid by cysteine, then calculate the standard free energy change for the reaction. Is this reaction spontaneous? Why or why not?. If we needed to rereduce the cysteine to be used again, what half reaction below might you couple it with?(Ƒ = 96,485 C/mol or J/Vmol) Dr. PeterTOP ACADEMIC WRITER He has decades of experience … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

A heat of formation is A) The heat produced in a reaction when 1 mole of a compound is produced. B) The heat absorbed in a reaction when 1 mole of reactants react. C) The heat required to make 1 mole of a compound from its elements in their standard states. D) The heat absorbed or produced in a combination reaction. Get Chemistry help Today … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

1. A sample of 151g of nitrogen gas is heated at constant volume by supplying 350. J of energy, increasing its temperature by 3.15°C. (a) Calculate the molar heat capacities at constant volume and constant pressure for nitrogen. Now, suppose that nitrogen is inhaled from air at 15°C into your lungs (assume, there t = 37°C). (b) What are the molar enthalpy and molar internal … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

An orbital with two lobes at 180° in a single plane and a node in the center would likely be found where? Select one: a. 4d. b. 4s. C. 4p. d. It would not be found in any of these. e. 4f. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

A chemist must dilute 13.8 ml of 788. mM aqueous barium chloride (BaCl) solution until the concentration fails to 537. mM. He’ll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters. Round your answer to 3 significant digits. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

Strotium-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half-life of 28.1 yr. a. Calculate the first-order rate constant for the nuclear decay. b. Calculate the fraction of 90Sr that remains after 10 half-lives. c.. Calculate the number of years required for 95.3 percent of Por to disappear. VEL (b) * 10 (C). Get Chemistry help Today Dr. … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

A closed rigid container 0.5m^3 has equal mass of vapor and liquid water at 1 bar. Please find the volume of vapor in the container. Get Chemistry help Today Dr. PeterTOP ACADEMIC WRITER He has decades of experience in the education field and has served in the examination boards of some of the top Universities within & outside the United States America. www.myhomeworkwriters.com Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Environmental Chemistry Assignment | Professional Essay Writers

1. Consider a CI engine operating on heavy diesel fuel. At a mid-load set point, the engine produces 100 kW of brake power with an exhaust gas temperature of 800 K, a brake specific fuel consumption of 250 g/kW-hr at an equivalence ratio of 0.6. Assume the liquid fuel and air enter at 25°C and complete combustion. a. Find the representative fuel, CxHy. b. Find … Continue reading Environmental Chemistry Assignment | Professional Essay Writers

Python Script Assignment | Homework For You

7. Write a Python script that asks for a value in gallons from the user and computes the equivalent value in liters. Then prints the results on the screen for the user saying both the gallon and the liter. Don’t worry about making it “pretty” for now, just make it work. Get Computer Science homework help today Dr. PeterTOP ACADEMIC WRITER He has decades of … Continue reading Python Script Assignment | Homework For You

Program to Calculate Final (maturity) Value of an Investment Assignment | Homework For You

6. Suppose a program is to calculate the final (maturity) value of an investment. You will be given the amount invested, the rate of interest, and the length of time that the money is invested. FV = PV (1+1)* First think about: a. What data must be input to this program? b. What would be reasonable names for each of the input variables? c. What … Continue reading Program to Calculate Final (maturity) Value of an Investment Assignment | Homework For You