Chemistry concepts and calculations

can someone please help. Caroina Chemkity Cafteine Extraction from Ter Student G

can someone please help. Caroina Chemkity Cafteine Extraction from Ter Student Guide Data Table 1 itial mass of tea bags: Mass of empty tea bags Mass of tea used for extraction 15…

can someone please helpme? 1.If 387 mL of sulfuric acid is diluted to 1.00 L to

can someone please helpme? 1.If 387 mL of sulfuric acid is diluted to 1.00 L to give asolution that is 2.77 M, what was the concentration of theoriginal solution? 2.To prepare 124…

can someone please tell me if I got number 15 correct? If not please explain...

can someone please tell me if I got number 15 correct? If not please explain... im lost 15)The specific rotation of optically pure (R)-sec-butyl alcohol is -13,52. An optically pu…

can someone show how they got the answers for these 3 questions? What is the cor

can someone show how they got the answers for these 3 questions? What is the correct expression for the equilibrium constant of the following reaction? (NH4)2Se (s) - > 2NH3 (g…

can someone show how to solve these? thank you 6. The substance dinitrogen triox

can someone show how to solve these? thank you 6. The substance dinitrogen trioxide has the formula, N,O a) Calculate the number of N,O, molecules present in 8.43 g of dinitrogen …

can someone show the steps to do this? 45:01 4/5 Question In the presence of a s

can someone show the steps to do this? 45:01 4/5 Question In the presence of a strong acid, permanganate ion reacts with oxalic acid according to the following net ionic equation:…

can someone show the steps to do this? 45:01 4/5 Question In the presence of a s

can someone show the steps to do this? 45:01 4/5 Question In the presence of a strong acid, permanganate ion reacts with oxalic acid according to the following net ionic equation:…

can someone solve it Write the following methods in a Java project: b) A Java me

can someone solve it Write the following methods in a Java project: b) A Java method to determine and return the sum of last N numbers, where N and the numbers are in an array of …

can someone write a code using masm to do the following: or fix the code i have

can someone write a code using masm to do the following: or fix the code i have already,it was wrong and explain why it is wrong Write a program that adds every other of the value…

can u explain by drawing each on of them !! explainn this question and why is it

can u explain by drawing each on of them !! explainn this question and why is it that way whats the answer jwatoce-Exam-3.pdf igAap I Pea Hunter -MED SCHOOLS LAB quiz Flashcards D…

can u please help me answer this question and also please write clearly so I can

can u please help me answer this question and also please write clearly so I can understand thank you so much also please show all steps thank you so much also & Answer both p…

can u sammrized these information for each point and each point must be saprated

can u sammrized these information for each point and each point must be saprated. make it short in one page.Thank u 1- olumetric properties of dilute solutions of water in ethanol…

can you also briefly explain why. a) Circle the strongest base : PH 2 - ........

can you also briefly explain why. a) Circle the strongest base: PH2- ............... HS-............. AsH2-................... HSe- Cl- b) Circle the strongest acid: PH2-.........…

can you answer on the blank please thanks alot Problem 13.21 very similar differ

can you answer on the blank please thanks alot Problem 13.21 very similar different ion-dipole forces dipole-dipole forces solute-solvent (Delta Hmix) solvent-solvent ( 1. Delta H…

can you check my answers to see if it is correct, if not can you help me with th

can you check my answers to see if it is correct, if not can you help me with the correct answers. For the following reaction, indicate the acid, base, conjugate acid, and canjuga…

can you check this for me? QUESTION 1 2 points You are instructed to add a boili

can you check this for me? QUESTION 1 2 points You are instructed to add a boiling stone to your conical vial Choose the statement that best explains why a boiling stone is necess…

can you check this for me? Thanks! QUESTION You are instructed to add a boiling

can you check this for me? Thanks! QUESTION You are instructed to add a boiling stone to your conical vial. Choose the statement that best explains why a boiling stone is necessar…

can you do this #3 for me? Is this analysis suitably accurate for a thermodynami

can you do this #3 for me? Is this analysis suitably accurate for a thermodynamic analysis? Use both charge balance and TDS to determine if it is acceptable. Use the right-most co…

can you explain this question H. Biological rear ions can help us take auvantage

can you explain this question H. Biological rear ions can help us take auvantage Lyarogen as a fuel. Hydrogenase is an enzyme that catalyzes the transformation of molecular hydrog…

can you explain to me how to Create a Bourne shell script that should do the fol

can you explain to me how to Create a Bourne shell script that should do the following: 1.Explain what the script will do and who is the author in a comment area. 2.cd to your hom…

can you help me answer these questions Match the following: 1. Abuffer is most r

can you help me answer these questions Match the following: 1. Abuffer is most resistant to pH change when... 2. pH pKa2 3. Define the second law of thermodynamics 4, Give the exp…

can you help me figure this out. Ok for option (l) which means show all the plan

can you help me figure this out. Ok for option (l) which means show all the planets in the database I need a way to check if the array is empty or not to output that there are no …

can you help me to solve this Q with detiles Calculate the change in Gibbs free

can you help me to solve this Q with detiles Calculate the change in Gibbs free energy fof each of the following sets of DeltaHrxn DeltaSrnx and T. DeltaHrxn = 89kJ, DeltaSrxn = 1…

can you help me understand which compound is more polar? please provide an expla

can you help me understand which compound is more polar? please provide an explanation as well. thank you Their melting points are very similar so i couldn't deduce anything from …

can you help me with 1? It will be awesome, if I can get help on 2.. too. I kind

can you help me with 1? It will be awesome, if I can get help on 2.. too. I kind of stuck thanks POST-LAB QUESTIONS: 1) Consider the fractionating column (either packed or unpacke…

can you help me with 5,6 and 8? thank you Acetone is a chromophore. It has a str

can you help me with 5,6 and 8? thank you Acetone is a chromophore. It has a strong absorption peak at 195 nm and a weaker absorption peak at 274 nm. The two peaks are for differe…

can you help me with 7, 8, and 9? Questions 7-9 refer to this graph 100 parñial

can you help me with 7, 8, and 9? Questions 7-9 refer to this graph 100 parñial pressure df axygen 7. If curve 3 represents the binding of oxygen to normal hemoglobin, which curve…

can you help me with 9 and 14, Please. Find the pH. What are the plh va solution

can you help me with 9 and 14, Please. Find the pH. What are the plh va solutions? (a) 0.1 M HCI (b) 0.1 M NaOH c) 0.05 M HCI (d) 0.05 M NaOH tions of H,PU, (c) pH 8.0 19, Neutral…

can you help me with my HW pls 1)Oxidation is an effective method to weather iro

can you help me with my HW pls 1)Oxidation is an effective method to weather iron in olivine. However, what must happen first to free the iron? d)Melting of the olivine 2)________…

can you help me with these two questions? they are attached What is the identity

can you help me with these two questions? they are attached What is the identity of sugar A? You will be provided with the list shown in Figure 1 from which you'll select your ans…

can you help me with these two questions? they are attached What is the identity

can you help me with these two questions? they are attached What is the identity of sugar A? You will be provided with the list shown in Figure 1 from which you'll select your ans…

can you help please. include a Word document with all parts (all source code, fl

can you help please. include a Word document with all parts (all source code, flowchart or UML diagram, screen shots of output) Prime Factors The prime factors of a number are all…

can you help with this question? 1. Caiculate your percent error for the amount

can you help with this question? 1. Caiculate your percent error for the amount of iran in the tablet. T pkismit amount of iron inth" table. The actual amount ofironinth percent-1…

can you please circle the answers A mixture of gaseous reactants is put into a c

can you please circle the answers A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that…

can you please do an I.C.E chart it helps me follow the process C a Secure https

can you please do an I.C.E chart it helps me follow the process C a Secure https/edugen wileyplus.com/edugen/student/maint.uni ment CALCULATOR FULL SCREEN PRINTER VERSION BACK NEX…

can you please do part A? Course Home nmentProblemID-87709624 « previous 7 of 2

can you please do part A? Course Home nmentProblemID-87709624 « previous 7 of 2 Part A H2O2(aq) + CIO2(aq) CIOg (aq) + O2(g) Express your answer as a chemical equation. Identify a…

can you please explain how to get these answers. (showing your work) Aqueous sil

can you please explain how to get these answers. (showing your work) Aqueous silver ion reacts with aqueous chloride ion to form a white precipitate of silver chloride: When 10.0 …

can you please explain how to get these answers. (showing your work) Assume hete

can you please explain how to get these answers. (showing your work) Assume heteronuclear diatomic molecules, AB, forms a one-dimensional crystal by lining up along the x- axis. A…

can you please explain how you approach the answer step by step so I can underst

can you please explain how you approach the answer step by step so I can understand it. Part A Determine the relationships between the following pair of structures: CH and CH O st…

can you please explain how you approach the answer step by step so I can underst

can you please explain how you approach the answer step by step so I can understand it. Part A Determine the relationships between the following pair of structures: CH and CH O st…

can you please explain step by step how to do these problems, I am really stuck

can you please explain step by step how to do these problems, I am really stuck and I would really appreciate it. 1.) How would you prepare a 1L of a 1 M ethanol solution in water…

can you please help me figure out my mistakes? #include #include

can you please help me figure out my mistakes? #include <iostream> #include <fstream> using namespace std; int main () {    char ltr ;    double F , A ,B ,C ,D ;    co…

can you please help me solve these questions: construct the creation matrix for

can you please help me solve these questions: construct the creation matrix for your set of ten solutions. This matrix can be made using information in your chemistry text book ap…

can you please help me to do my homework Briefly answer the following questions:

can you please help me to do my homework Briefly answer the following questions: (a) Describe what you will do with the acetone rinses you collect while drying your flask after me…

can you please show all work For the complex formation reaction where M is any m

can you please show all work For the complex formation reaction where M is any metal and L is any ligand, M++2L[ML2]+ Kf is the formation constant for the complex at equilibrium a…

can you please show all your steps. I am lost dure Im the cete andgt EXAMPLE 14.

can you please show all your steps. I am lost dure Im the cete andgt EXAMPLE 14.4 EXAMPLE 14.5 Finding Equilibrium Constants Finding Equilibrium Constants from Experimental Partia…

can you please show all your steps. I am lost dure Im the cete andgt EXAMPLE 14.

can you please show all your steps. I am lost dure Im the cete andgt EXAMPLE 14.4 EXAMPLE 14.5 Finding Equilibrium Constants Finding Equilibrium Constants from Experimental Partia…

can you please show the work the answers are A D B 2) How many grams of Li3N can

can you please show the work the answers are A D B 2) How many grams of Li3N can be formed from 1.75 moles of Li? Assume an excess of nitrogen. 2) 6 Li(s) + N2(g) - 2 Li3N(s) A) 2…

can you please upload with full calculation. Example 6 Purge Considerable intere

can you please upload with full calculation. Example 6 Purge Considerable interest exists in the conversion of coal into more convenient liquid products for subsequent production …

can you please write very accourate, because i have to write it on a computer Pa

can you please write very accourate, because i have to write it on a computer Part C A certain gas is present in a 12.0 L cylinder at 2.0 br pressure. If the pressure is increased…