Chemistry concepts and calculations

the same .0500 mole of ideal gas is now expanded at constant temperature (t=244

the same .0500 mole of ideal gas is now expanded at constant temperature (t=244 k) from 1 l to 2 Liters . How much works is done ? And what are the initial and final pressures . I…

the sample space listing the eight the sample space listing the eight the sample

the sample space listing the eight the sample space listing the eight the sample space listing the eight 1. The overall dissociation of malonic acid, H:CaH:04, is represented belo…

the sandwich in the hallway and then go in and out to take bites while the labor

the sandwich in the hallway and then go in and out to take bites while the laboratory experiment is ongoing lC 1a00r diuly. SlnCe you cannot eat in the lab, it is okay to leave Wr…

the seasonally averaged sulfate concentration in the pore water of a lake sedime

the seasonally averaged sulfate concentration in the pore water of a lake sediment is 50 uM (micro moles) at the sediment-water interface, but only 5 uM at a depth 0.2 cm below th…

the sign are either going to be positive or negative a)Ag + (aq) + Br- (aq) -->

the sign are either going to be positive or negative a)Ag + (aq) + Br- (aq) --> AgBr(s) b) 2N2O(g) --> 2N2(g)+O2(g) c)2KClO3 (s)--> 2KCl(s) + 3O2 (g) d)2Mg(s) + O2(g)--&g…

the singlet at 0 ppm in our proton NMR spectra the triplet at 77 ppm in our 13 C

the singlet at 0 ppm in our proton NMR spectra the triplet at 77 ppm in our 13C NMR spectra the singlet at 0 ppm in our 13C NMR spectra the singlet at 7.2 ppm in our proton NMR sp…

the solete will 4 and this w t Il re de ce teld issolve so (c The hot solution i

the solete will 4 and this w t Il re de ce teld issolve so (c The hot solution is cooled ice water crystallization, rather than being allowed To to cool slowly to room temperature…

the solubility of acetanilide in hot water Look up boiling points for the solven

the solubility of acetanilide in hot water Look up boiling points for the solvents listed on page 2. Complete the b.p. column of the table in your lab notebook. The solubility of …

the solubility of solid solutes with negative heats of solution is increased wit

the solubility of solid solutes with negative heats of solution is increased with an a) increase in temperature b) decrease in temperature c) increase of pressure d) decrease in p…

the solubility product The solubility product, K of PbBr_2 is 8.9 times 10^-6. C

the solubility product The solubility product, K of PbBr_2 is 8.9 times 10^-6. Calculate the molar solubility in: i. Pure water. ii. 0.20 M KBr. Calculate the OH^- and H_3O^+ conc…

the specific heat of ice Cm(ice.=2.110 J/(g*C) The specific heat of liquid water

the specific heat of ice Cm(ice.=2.110 J/(g*C) The specific heat of liquid water,Cm liquid water,Cm (liquid)=4.184J(g*C) The specific heat of water vapor,Cm vapor=2.080 J/(g*C) He…

the spectrophotometric determination of manganese in steel, a 0.250 gram sample

the spectrophotometric determination of manganese in steel, a 0.250 gram sample of unknown steel is dissolved manganese oxidized to MnO_4^-. This solution is then diluted to 500 m…

the standard deviation ind Discuss the relative standard deviation briefly a com

the standard deviation ind Discuss the relative standard deviation briefly a comparison of the two vinegars or for an analysis of a single vinegar, calcu . Data Analysis C and D L…

the table shows the molarity of compounds that react for different trials in the

the table shows the molarity of compounds that react for different trials in the reaction.Asked to use that to calculate moles of bro3- produced. virtual lab: For this lab you wil…

the temperature is increased from tor vacancy formation assuming that the densit

the temperature is increased from tor vacancy formation assuming that the density of the metal remains constant over er of vacancies in some metal increases by a factor of S NN5) …

the temperature of the mixture is measured. The experiment is repeated with ammo

the temperature of the mixture is measured. The experiment is repeated with ammonium chloride and again with calcium chloride. 2. A 5.00 g sample of sodium chloride is added to 25…

the three files i have are -----complex.h----- #ifndef COMPLEX_H #define COMPLEX

the three files i have are -----complex.h----- #ifndef COMPLEX_H #define COMPLEX_H class Complex { public: Complex(double = 0.0 , double = 0.0); // Complex operator=(const Complex…

the titration of a 50.00 ml sample of fresh fruit juice required 26.80 ml of iod

the titration of a 50.00 ml sample of fresh fruit juice required 26.80 ml of iodine solution to reach the blue endpoint. 1.00 ml of the iodine solution is equivalent to 1.14 mg of…

the tolerance is +/-2% Cyclopropane, C 3 H 6 , is a gas used as a general anesth

the tolerance is +/-2% Cyclopropane, C3H6, is a gas used as a general anesthetic. It undergoes a slow molecular rearrangement to propylene. At a certain temperature, the following…

the top line reads: The mass Spectra of three isomeric amines, sec-butylamine, i

the top line reads: The mass Spectra of three isomeric amines, sec-butylamine, isobutylamine, and tert-butylamine are given. Decide which Spectra belong to which amines and write …

the triangleG and triangleG0! both refer to the free energy change in the steady

the triangleG and triangleG0! both refer to the free energy change in the steady state reaction. steady state means that the concentrations of substrates and products are fixed or…

the true rate constant for a reaction is just that a constant (at a constant tem

the true rate constant for a reaction is just that a constant (at a constant temperature). would your calculated value for k be higher than lower than or equal to the real value o…

the uk for copper is .36 Safari File Edit View History Bookmarks Window Help 4)

the uk for copper is .36 Safari File Edit View History Bookmarks Window Help 4) (85%) Fri 9:41 PM a 2010 Ch 4 + |"A http://www.webassign.net/web/Student/Assignment-Responses/submi…

the unknown was prepared by dissolving 0.0598 gramos 5, Clif 0 ABS 100% T key to

the unknown was prepared by dissolving 0.0598 gramos 5, Clif 0 ABS 100% T key to set the blank at 0.000 A. 6. Remove the blank cuvet and replace with standard solution/unknown sol…

the unknown was prepared by dissolving 0.0598 gramos 5, Clif 0 ABS 100% T key to

the unknown was prepared by dissolving 0.0598 gramos 5, Clif 0 ABS 100% T key to set the blank at 0.000 A. 6. Remove the blank cuvet and replace with standard solution/unknown sol…

the use of TLC to monitor the reaction of vanillin with enzymes produced by yeas

the use of TLC to monitor the reaction of vanillin with enzymes produced by yeast relies on the on the fact that the reactant and product are expected to have very different Rf va…

the use of lead(II) carbonate and lead(II) hydroxide as pigments in paint was di

the use of lead(II) carbonate and lead(II) hydroxide as pigments in paint was discontinued in the United States because these compounds dissolved in the stomachs of young children…

the value of K_c for the reaction? The value of K_p for the following equilibriu

the value of K_c for the reaction? The value of K_p for the following equilibrium is 1.1 Times 10^-1 at 600 degree C: 2 SO_3(g) 2 SO_2(g) + O_2(g) What is the value of K_c foe the…

the value of Kw at 50 C is 5.48 x110^-14. calculate the OH- concentration from t

the value of Kw at 50 C is 5.48 x110^-14. calculate the OH- concentration from the above solution at 50 C. I need help with part b, I keep on getting it wrong 12 Question 12 (of 2…

the vapor pressure of ethanol (c2h5oh) at 20 celcius is 44mmHg, and the vapor pr

the vapor pressure of ethanol (c2h5oh) at 20 celcius is 44mmHg, and the vapor pressure of mathanol (ch3oh at the same temperature is 94mmHg. A mixture of 32.9g of methanol and 45.…

the volume 8f the taline contalhér. negligible compared to 68. What is the parti

the volume 8f the taline contalhér. negligible compared to 68. What is the partial pressure of nitrogen in a container that coti 3.96 mol of oxygen, 7.49 mol of nitrogen, and 1.19…

the volume of air is 0.300 mL at 2.0 °C, when the barometric pressure in the roo

the volume of air is 0.300 mL at 2.0 °C, when the barometric pressure in the room is 745.0 torr, then how many moles of air are in the U-tube? R = 6.237 x 104 mL . torr . mol-1. K…

the volume quantity of gas at 1.00 arm is compressed from 12. Convert the follow

the volume quantity of gas at 1.00 arm is compressed from 12. Convert the following pressures into atmospheres: (a) 2.0 kPa; (b) 562 mmHg. 13. The highest atmospheric pressure eve…

the wavelength and energy releasesd comesponding hydrogen series and the when on

the wavelength and energy releasesd comesponding hydrogen series and the when on Use the date from the previous question. Determine the general area where water absorption vs wave…

the web.. rning.com/ibiscms/mod/ibis/view.php?id-5005888 Sapling Learning | Macm

the web.. rning.com/ibiscms/mod/ibis/view.php?id-5005888 Sapling Learning | Macmillan L. elp sowELA Technical Commu. × PrintCalculatorPeriodic Table Question 18 of 32 Map Sapling …

the website for the reaction is http://www.chem.uiuc.edu/chem233smith/smithsylla

the website for the reaction is http://www.chem.uiuc.edu/chem233smith/smithsyllabus/PhCOOMeNitragte.gif 1.Find the actual yield 2.percent yield 3.atom economy calculation for the …

the work function for metallic caesium is 2.14 eV.calculatethe KINETIC ANERGY an

the work function for metallic caesium is 2.14 eV.calculatethe KINETIC ANERGY and the SPEED of the electrons ejected by lightof wavelength a) 580 and b) 250. (answer is: a) no kin…

the zwitterion form of the amino acid shown below can react with an acid or base

the zwitterion form of the amino acid shown below can react with an acid or base. one 10.00-ml aliquot of 0.5000m of the zwitterion form shown above was titrated with 0.2500m NaOH…

theell whose fouation the cative, and give the experimental and calculated volta

theell whose fouation the cative, and give the experimental and calculated voltages in each case. enter the standard electrode potential for each half cell reaction that you studi…

then write a program, and save it in lab02.py, that asks how many numbers it sho

then write a program, and save it in lab02.py, that asks how many numbers it should generate in the Fibonacci series. Remember that the first two numbers are 0 and 1 so you alread…

then write a program, and save it in lab02.py, that asks how many numbers it sho

then write a program, and save it in lab02.py, that asks how many numbers it should generate in the Fibonacci series. Remember that the first two numbers are 0 and 1 so you alread…

there are (7) days of the week, that is Sunday through Saturday. in a company, i

there are (7) days of the week, that is Sunday through Saturday. in a company, if a person works on Monday to Friday he receives regular wages. if he works on Saturday , he is ent…

there is a difference between molarity (M) and normality (N). You will need to u

there is a difference between molarity (M) and normality (N). You will need to understand what normality is and also what a diprotic acid is to complete this exercise. Titration w…

there is a large difference between Solid hydroxide is anhydrous and hygroscopic

there is a large difference between Solid hydroxide is anhydrous and hygroscopic. So it is necessary to keep the pellets stoppered or protected from the atmosphere because they wi…

there is answer on that link, but its not clear https://www.chegg.com/homework-h

there is answer on that link, but its not clear https://www.chegg.com/homework-help/questions-and-answers/-q15236225 3 3.1 In the log example of Fig. 3.12, indicate the shale base…

there is no absolull be measu and the property endency, ured only relative to be

there is no absolull be measu and the property endency, ured only relative to be alled the oxi potential, is measured in volts relative to the by the oxidative half idized. electr…

thermochemistry and hess\'s law a. When solutions of two reactants were mixed in

thermochemistry and hess's law a. When solutions of two reactants were mixed in a coffee-cup cal hen solutions of two reactants were mixed in a coffee-cup calorimeter, the followi…

thermodynamics Please return the completed assignment with a cover shoot back to

thermodynamics Please return the completed assignment with a cover shoot back to your facilitator. You have to submit the complotted assignment In Week 11. 1.5kg/s of air flows th…

thermodynamics Thermodynamics Please answer our problems neatly nad list all val

thermodynamics Thermodynamics Please answer our problems neatly nad list all values you need to solve the problem. Answer the following question for 3 liquids. Hexane, water, and …

thermodynamics Write clearly and legibly. Please turn in your sheet of notes wit

thermodynamics Write clearly and legibly. Please turn in your sheet of notes with the exam. 1. (20 points) A swimming pool contains 103 cubic meters of water at room temperature. …