Chemistry concepts and calculations

how do I calculate k, using this data, Trial

how do I calculate k, using this data, Trial <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /?> 1 2 3 4 Length Mg (cm) 0.7 0.35 0.7 0.7 Surf. Area…

how do I calculate the PH change and determine if its buffer or not? Q4 and Q5 A

how do I calculate the PH change and determine if its buffer or not? Q4 and Q5 And if the solution show little to no changes why? Acids, Bases, pll, and Buffers C. Effect of Buffe…

how do I do 37? s 15 A gas-filled balloon having a walume of 250 L al 5.50 A com

how do I do 37? s 15 A gas-filled balloon having a walume of 250 L al 5.50 A comp Uwed aplaere about 30 ku abore the surface of Earth, where the temperatue ard c and 3. x 10 aun, …

how do I do number 76? I Keep on getting the wrong answer boiling hoiling A heat

how do I do number 76? I Keep on getting the wrong answer boiling hoiling A heated to the burner would alding anocher turner rause 11.88 Et of waler? Explain point 11.75 Calculate…

how do I do question 3?? 2. A second assumption in this experiment relates to th

how do I do question 3?? 2. A second assumption in this experiment relates to the specific heat capacity of the solution. We will assume the specific heat capacity of the solution…

how do I do question 8. I keep on getting the wrong answer. 7.8 wave- the freque

how do I do question 8. I keep on getting the wrong answer. 7.8 wave- the frequency of lighu having a wave- Whal s is the wavelength length of 456 nm? (b) What (in nanometers) of …

how do I figure out the final temperature? The AH for the solution process when

how do I figure out the final temperature? The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kj/mol. What amount of NaOH dissolves in 250.0g o…

how do I find micromoles per minute using this data? Chegg Tuto 4. Determine the

how do I find micromoles per minute using this data? Chegg Tuto 4. Determine the rate of the reactions by graphing absorbencies versus time for each substrate concentration. (Put …

how do I get these answers? 8. What is the density of carbon dioxide o C and 2.0

how do I get these answers? 8. What is the density of carbon dioxide o C and 2.00 atm pressure? gas at 3.93 c. 5.90 g/L, d. 7.86 g/L e. none of the above 9. The combustion of carb…

how do I obtsin the standar deviation of molar mass and felative deviation of mo

how do I obtsin the standar deviation of molar mass and felative deviation of molae mass (%RSD) based on these calculations? please explain Molar Mass of a Volatile Liquid Date A.…

how do I solve this please? Thermodynamic Quantities for Selected Substances at

how do I solve this please? Thermodynamic Quantities for Selected Substances at 298.15 K (25 C) Carbon C (s, diamond) C (s, graphite) C2H2 (g) C2H4 (g) C2H6 (B) co (g) CO2 (8) 2.4…

how do I solve this problem? Consider a 10 g sample of a sugar (Kp = 5) that is

how do I solve this problem? Consider a 10 g sample of a sugar (Kp = 5) that is dissolved in 20 mL water. You have 20 mL of ether available to extract the sugar. How much sugar wi…

how do i calculate [HIn]equil ? i have [H3O+] intit , [In-]equil, measured pH va

how do i calculate [HIn]equil ? i have [H3O+] intit , [In-]equil, measured pH values, and A550 values, with the information that i have how can i find the [HIn]equil of each of my…

how do i fix the determinant part int det(int n, int matrix[][10]) { int d=0; in

how do i fix the determinant part int det(int n, int matrix[][10]) { int d=0; int c,sub1,i,j,sub2; int submat[10][10]; if (n==2) { return((matrix[0][0]*matrix[1][1])-(matrix[1][0]…

how do i get the dilution factor ? then calculate the nitrite level in the undil

how do i get the dilution factor ? then calculate the nitrite level in the undiluted sample taking into account the dilution factor? then calculate a relative spread for the absor…

how do i record the number of times all runs of heads occur. ex. Length Number o

how do i record the number of times all runs of heads occur. ex. Length Number of runs of heads 1 --------------------3 2 --------------------2 3 --------------------0 4 ---------…

how do i solve 1 Formulas New FP = Old FP + M,V, M,V [OH ] = antilog (-p011) [H+

how do i solve 1 Formulas New FP = Old FP + M,V, M,V [OH ] = antilog (-p011) [H+] = antilog (-pH) % mass = (mass solute / mass solution) x 100 New BP-Old BP + , K, = 1 E-14 (moll.…

how do i solve for question 1. c 1. Aspirin can be made in a laboratory by react

how do i solve for question 1. c 1. Aspirin can be made in a laboratory by reacting acetic anhydride (C4H603) with salicylic acid (C7H603) to form aspirin (C9H804) and acetic acid…

how do i validate user name with no numbers and blanks- want to allow space betw

how do i validate user name with no numbers and blanks- want to allow space between name eg john joe. also like save stats how to set up a retireveStats #include<iostream> #…

how do radionuclides used for diagnostic purposes differ from radionuclides used

how do radionuclides used for diagnostic purposes differ from radionuclides used for therapeutic purpose? 5. Using complete sentences, describe the difference between fusion and f…

how do u work this problem? M MHE Reader O A https://newconnect.mheducation.com/

how do u work this problem? M MHE Reader O A https://newconnect.mheducation.com/flow/connect.html Check my work mode This shows what is correct or incorrect for the work you have …

how do you calculate the moles of s2o3 2- ions consumed in each trial. Trial 2.

how do you calculate the moles of s2o3 2- ions consumed in each trial. Trial 2. Solution A: DI water: 6.0 mL Buffer: 1.0 mL 0.02M Na2S2O3: 1.0 mL Starch: 5 drops 0.30M KI: 2.0mL S…

how do you calculate the number of miles KMnO4 used? This was a dry lab. Read th

how do you calculate the number of miles KMnO4 used? This was a dry lab. Read the experiment in the lab manual including the procedure and appendices. Pass in the completed pre-la…

how do you calculate the number of miles KMnO4 used? This was a dry lab. Read th

how do you calculate the number of miles KMnO4 used? This was a dry lab. Read the experiment in the lab manual including the procedure and appendices. Pass in the completed pre-la…

how do you design an object oriented project for the following program: A softwa

how do you design an object oriented project for the following program: A software company that develops games has just hired you! Before working on the next version of Medieval M…

how do you determine if an atom is polar or non-polar? I\'ve never been good at

how do you determine if an atom is polar or non-polar? I've never been good at determining intermolecular forces and really wanna be good at it. I know London dispersion exists ev…

how do you do number 9? was it worded incorrectly? 2. Recently University Safety

how do you do number 9? was it worded incorrectly? 2. Recently University Safety Department changed Lab Safety Rule 2 for this quarter. What tW more safety glasses or goggles, sho…

how do you do part C? 2-43. A chemical reaction A B is carried out in a closed v

how do you do part C? 2-43. A chemical reaction A B is carried out in a closed vessel. The following data are taken for the concentration of A. CA(g/L.), as a function of time, r(…

how do you explain the difference in time for dissolving the fine vs coarse salt

how do you explain the difference in time for dissolving the fine vs coarse salt crystals . NAME_ REPORT FOR EXPERIMENT 9 (continued) B. Relative Solubility of a Solute in Two Sol…

how do you figure out the reaction order for HCI? Data Table 1: Varying the Conc

how do you figure out the reaction order for HCI? Data Table 1: Varying the Concentration of 1.0 M HCL ---- C o n c e n t r a t i o n s ---- # drops # drops # drops Initial Initia…

how do you find delta change H Solution Rearrange equations in order to cancel u

how do you find delta change H

how do you find delta change H Solution Rearrange equations in order to cancel u

how do you find delta change H

how do you find question 31 B.1.3 C.2,3 The malar heo arabtrre In lear voP/natio

how do you find question 31 B.1.3 C.2,3 The malar heo arabtrre In lear voP/natione(tiqukl Iulnc. l pre DLre of 71 1 hder which of furorwenE condira Quale LJs rms likely be a lqsil…

how do you find the Ca2+ concentration. with charge balance and mass balance. th

how do you find the Ca2+ concentration. with charge balance and mass balance. thank you. please show all work. Write the charge and mass balance for aqueous Cay(PO4)2 if the prese…

how do you find the net charge? Experiment 4 worksheet on Electronic Configurati

how do you find the net charge? Experiment 4 worksheet on Electronic Configurations and Periodic Properties objectives To indicate the number of protons, electrons, and neutrons i…

how do you know that the free energy change has a larger negative value than the

how do you know that the free energy change has a larger negative value than the value for the enthalpy change? notice the heading says answer questions 20-25 from the following r…

how do you solve this problem?? In a gaseous KCl molecule, the internuclear dist

how do you solve this problem?? In a gaseous KCl molecule, the internuclear distance is2.67X10-10 m. Using data from Appendix F( is aboutphysical properties of elements) and negle…

how do you specify that a method is a constuctor in java? a- methd has both a na

how do you specify that a method is a constuctor in java? a- methd has both a name and return type the same as the class b- uses the first method in the class declaration c- uses …

how does a vacuum reduce atmospheric pressure? boiling chips and vacuum distilla

how does a vacuum reduce atmospheric pressure? boiling chips and vacuum distillation, respectively, are used in distillations to: A. provide nucleation sites that give the liquid …

how does changing the solvent from ethanol to N,N-dimenthylformamide (DMF) in th

how does changing the solvent from ethanol to N,N-dimenthylformamide (DMF) in the reaction of sodium ethoxide with chloromethylcyclopentane affect the products formed 1. How does …

how does each of the following regulate the citric acid cycle? Part A high level

how does each of the following regulate the citric acid cycle? Part A high levels of NADH High levels of NADH inhibit isocitrate dehydrogenase and a -ketoglutarate dehydrogenase t…

how does the ?max and the broadness of different spectral features influence the

how does the ?max and the broadness of different spectral features influence the overal color we observe from a light source? 1) both ?max and the broadness of spectral featuers c…

how does the ph difference between the acetate buffer and the water differ when

how does the ph difference between the acetate buffer and the water differ when NaOH or HCL is added to each other ? Data Analysis: Part 1: Qualitative Assessment of Acetate Buffe…

how does the value of n of an orbit in the Bohr model of hydrogen relate to the

how does the value of n of an orbit in the Bohr model of hydrogen relate to the energy of an electron in that orbit? In the visible portion of the atomic emission spectrum of hydr…

how https://sakaiwashjeff.edu 1x eff.edu/access/content/attachment/15765-CIS-220

how https://sakaiwashjeff.edu 1x eff.edu/access/content/attachment/15765-CIS-220-01-2015FAL/Assignments/f16fae1d-926a-4917-a1f3-929 5. Add a prompt asking the user for the diamete…

how is boiling point of a liquid estimated from distillation? a) the median dist

how is boiling point of a liquid estimated from distillation? a) the median distillation temperature can be considered to be a good estimate of boiling point b) the temperature at…

how is boiling point of a liquid estimated from distillation? a) the median dist

how is boiling point of a liquid estimated from distillation? a) the median distillation temperature can be considered to be a good estimate of boiling point b) the temperature at…

how long (in hours) would it take to apply a chromium plating 1.0x10-2 mm thick

how long (in hours) would it take to apply a chromium plating 1.0x10-2 mm thick to a car bumper with a surface area of .25m^2 in an electrolytic cell carrying a current of 25.0 A?…

how long will it take to fill a 50 m^3 pool with water and what will be the fina

how long will it take to fill a 50 m^3 pool with water and what will be the final temperature of the water, if we use a garden hose to fill it and its inner diameter is 2.5 cm, an…

how long would it take for 2.8 micrograms of a 10.4 micrograms sample of Pa to d

how long would it take for 2.8 micrograms of a 10.4 micrograms sample of Pa to decay? the half-life of Pa is 3.25x10 ID: A Class a Date ID: A Name C 12. How long would it take mic…