Chemistry concepts and calculations

(i) A 5 m3 outdoor gas storage tank warms from 10°C to 40°C on a sunny day. If t

(i) A 5 m3 outdoor gas storage tank warms from 10°C to 40°C on a sunny day. If the initial pressure was 0.12 MPa at 10°C, what is the pressure at 40°C, and how many moles of gas a…

(i) A chemical laboratory has violated the threshold limit values-time weighted

(i) A chemical laboratory has violated the threshold limit values-time weighted average (TLV-TWA) of toluene (100 ppm) exposure for the 8-hour workers in the laboratory. a. If the…

(i) Explain why In the isomerization experiment, dimethyl maleate (DM) is a liqu

(i) Explain why In the isomerization experiment, dimethyl maleate (DM) is a liquid whereas its isomeric product, dimethyl fumarate (DF) is a solid, even though DM and DF have the …

(i) The peptide backbone is very flexible, and has so many hydrogen bonding grou

(i) The peptide backbone is very flexible, and has so many hydrogen bonding groups, that any conformation will result in good hydrogen bonding geometry TRUE / FALSE (ii) The abili…

(i)write the balanced equation for the reaction of aqueous Pb(CLO3) with aqueous

(i)write the balanced equation for the reaction of aqueous Pb(CLO3) with aqueous NaI including phases . (ii) what mass of precipitate will form if 1.50 L of concentrated Pb(CLO3) …

(ii) Develop the code for the following timing experiments. Report your results

(ii) Develop the code for the following timing experiments. Report your results in the form of tables. The first column should indicate the size of the data structure. The remaini…

(ii) Develop the code for the following timing experiments. Report your results

(ii) Develop the code for the following timing experiments. Report your results in the form of tables. The first column should indicate the size of the data structure. The remaini…

(ii) From TLC analysis of the isomerization of dimethyl maleate which one is mor

(ii) From TLC analysis of the isomerization of dimethyl maleate which one is more polar compound, dimethyl maleate (Rf = 0.34) or dimethyl fumarate (Rf = 0.57)? How many spot(s) d…

(iii) 2.5 atm. = 1899999 87 mmHg 3. Calculate each of the following (a) a gas wi

(iii) 2.5 atm. = 1899999 87 mmHg 3. Calculate each of the following (a) a gas with pressure of 740 mmHg and volume of 2.5 liters is compressed to a new pressure of 0.5 atm. What i…

(iii) 2.5 atm. = 1899999 87 mmHg 3. Calculate each of the following (a) a gas wi

(iii) 2.5 atm. = 1899999 87 mmHg 3. Calculate each of the following (a) a gas with pressure of 740 mmHg and volume of 2.5 liters is compressed to a new pressure of 0.5 atm. What i…

(in order for Cl 2 to dissociate to two Cl atoms it must obtain energy from coll

(in order for Cl2 to dissociate to two Cl atoms it must obtain energy from collisions with other gas molecules, M. The reaction is Cl2 + M ? 2Cl + M. from this equation one may ex…

(ivycalculate the loH at the equivalence point l ph t p offs What is the pKa of

(ivycalculate the loH at the equivalence point l ph t p offs What is the pKa of the acid used for titration? (vi)Calculate the Ka ofthe acid (VIry Calculate Kb of the conjugate ba…

(java programing) Create a program to enter grades and calculate averages and le

(java programing) Create a program to enter grades and calculate averages and letter grades. 1. Need a class which will contain: a. Student Name b. Student Id c. Student Grades (a…

(k)Trifluoroacetic acid has a smaller pKa than aceticacid. (l) Ahydrogen attache

(k)Trifluoroacetic acid has a smaller pKa than aceticacid. (l) Ahydrogen attached to an sp3 carbon ismore acidic than a hydrogen attached to an sp2 carbon. (m) Achloro substituent…

(le). For an ideal gas, which of the following parameters is not a function of t

(le). For an ideal gas, which of the following parameters is not a function of temperature only (A) Specific enthalpy,h (B) Specific internal energy, u (C) Specific heat at consta…

(ll) Extra credit problems Indicate if the following statement is True (T) or fa

(ll) Extra credit problems Indicate if the following statement is True (T) or false (F). (1pt each # | Statement 1 The equilibrium constant, K'c for the reverse reaction is the ne…

(made it shorter) 1. Calculate the grams of each type of fat per serving of your

(made it shorter) 1. Calculate the grams of each type of fat per serving of your food (percent X total fat per serving). Compare these to the values provided on the food package l…

(maximum increasingly ordered subsequence) Write a program that prompts the user

(maximum increasingly ordered subsequence) Write a program that prompts the user to enter a string and displays the maximum increasingly ordered subsequence of characters. Analyze…

(mus be in Python) In the popular television game show of the 70s, Let\'s Make a

(mus be in Python) In the popular television game show of the 70s, Let's Make a Deal, game show host, Monty Hall, would show a contestant 3 doors. Behind one of the doors was a pr…

(n) CH Br2CBr + HBr If chlorine bleach is mixed with other cleaning prod- ucts c

(n) CH Br2CBr + HBr If chlorine bleach is mixed with other cleaning prod- ucts containing ammonia, the toxic gas NCl3(8) can form according to the equation: 13. 3NaC10(aq) + NH3(a…

(no grade - put in your notebook as a separate page entitled \"Preparation of So

(no grade - put in your notebook as a separate page entitled "Preparation of Solutions for Tyrosinase Assay") 1. For this lab we will be using 100mM sodium phosphate buffer at pH …

(numbers 18-19) Two fire trucks are at rest and their sirens each emit a single

(numbers 18-19) Two fire trucks are at rest and their sirens each emit a single frequency. You stand at rest in the middle of the trucks and observe a beat frequency of 12.0 Hz. Y…

(o 11/21/2014 10:00 PM A 95.8/100 11/18/2014 02:18 PM Gradebook Print Calculator

(o 11/21/2014 10:00 PM A 95.8/100 11/18/2014 02:18 PM Gradebook Print Calculator Periodic Table incorrectX incorrect incorrect incorrect incorrect & incorrect incorrect incorr…

(oH), solution is 12-22. What is the concentration of the BaloH2 solution The pH

(oH), solution is 12-22. What is the concentration of the BaloH2 solution The pH of a Problem II: Weak Acids & Buffers l1] ne the pH and ionization of 0.65 M solution of nitro…

(part 1)-YouTube Oklahoma Bapt ng Jump Grad 11/9/2017 10:00 PM 28.9/100 Calculat

(part 1)-YouTube Oklahoma Bapt ng Jump Grad 11/9/2017 10:00 PM 28.9/100 Calculator Periodic Table Print Question 13 of 30 Mapco General Chemistry 4th Edi University Science Books …

(part 2) 2.00e-3 M Fe3+ 2.00e-3 M SCN- water trial 1 7.50 mL 7.50mL 0mL trial 2

(part 2) 2.00e-3 M Fe3+ 2.00e-3 M SCN- water trial 1 7.50 mL 7.50mL 0mL trial 2 5.00mL 4.00mL 1.0mL trial 3 5.00mL 3.00mL 2.0mL Note: to use scientific notation, enter 2.6 1016 as…

(please explain as well as answer :)) 11) Lead iodide, a sparingly soluble salt,

(please explain as well as answer :)) 11) Lead iodide, a sparingly soluble salt, dissolves in solution according to the following equation. PbI2(s) Pb2+(aq) + 2 I-(aq) Ksp = 7.1 x…

(please explain as well as answer :)) 11) Lead iodide, a sparingly soluble salt,

(please explain as well as answer :)) 11) Lead iodide, a sparingly soluble salt, dissolves in solution according to the following equation. PbI2(s) Pb2+(aq) + 2 I-(aq) Ksp = 7.1 x…

(please kindly type your work and use Excel to do graph ) thank you !!! --------

(please kindly type your work and use Excel to do graph ) thank you !!! -------------------------/ this is what he submitted ( I don't know if it's right) Chemistry Table 20.1: Da…

(project 4)Write a class for an airplane class with constructors, interface (mut

(project 4)Write a class for an airplane class with constructors, interface (mutators and accessors)and a test driver (main). It should be able to change altitude (up,down) and sp…

(psuede-code) Show how to implement a Stack class that implements the usual push

(psuede-code) Show how to implement a Stack class that implements the usual push, pop, and isEmpty functions plus a min function that returns the minimum item in the stack. All th…

(really need answer not suggestions )Given this c++ code: #include #i

(really need answer not suggestions )Given this c++ code: #include <iostream> #include <fstream> #include <vector> #include <cmath> class Shape{ public: …

(redox balancing, titrations and stoichiometry) 3. A sample of calcium oxalate (

(redox balancing, titrations and stoichiometry) 3. A sample of calcium oxalate (CaC2O4) is dissolved in excess acid, followed by its titration with permanganate according to this …

(show all your works and make sure that you answer all questions appear in the p

(show all your works and make sure that you answer all questions appear in the picture below) (0 Which of the following metals are suitable for use as sacrificial anodes to peotec…

(show all your works and make sure that you answer all questions appear in the p

(show all your works and make sure that you answer all questions appear in the picture below) (0 Which of the following metals are suitable for use as sacrificial anodes to peotec…