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Chemistry concepts and calculations

117302 questions • Page 2187 / 2347

can someone help me determine the % yield. After 5mL of furan and 0.056g of N-ph
can someone help me determine the % yield. After 5mL of furan and 0.056g of N-phenylmaleimide were placed in the vial, a solid formed and the mass of that solid was 0.051g. I don'…
can someone help me fix the errors in my program code i cant seem to find them #
can someone help me fix the errors in my program code i cant seem to find them #include <iostream> #include <fstream> #include <cstring> #include <iomanip>…
can someone help me identify those unknowns,the information i got from the lab i
can someone help me identify those unknowns,the information i got from the lab is in picture 1,the possible structures in pic 2,and i attached the IR for the unknown liquid; KMNO4…
can someone help me in sql I\'m using orcale sql plus 1. Create the following ta
can someone help me in sql I'm using orcale sql plus 1. Create the following tables. Student Field Name Data Type Comments stdNo CHAR(5) This is the Primary Key lastname VARCHAR(2…
can someone help me make sense of these NMR? I have attached my 2 samples that w
can someone help me make sense of these NMR? I have attached my 2 samples that were analyzed by NMR spectroscopy. Can someone help me make sense of it? THIS IS THE PRODUCT 254 r 7…
can someone help me on these questions Example: How many milliliters of s.5 M Na
can someone help me on these questions Example: How many milliliters of s.5 M NaDH are needed to prepare 300 m l. of 1.2 M NaOH? x 300 mL SS Mxvi “ 1.2 300mL 5.5 M “1.23, x -65mL …
can someone help me on these questions Example: How many milliliters of s.5 M Na
can someone help me on these questions Example: How many milliliters of s.5 M NaDH are needed to prepare 300 m l. of 1.2 M NaOH? x 300 mL SS Mxvi “ 1.2 300mL 5.5 M “1.23, x -65mL …
can someone help me please Data Sheet 3 Il. Determining the Molar Mass of an Unk
can someone help me please Data Sheet 3 Il. Determining the Molar Mass of an Unknown unknown identification code mass of test tube, g mass of test tube plus naphthalene, g mass of…
can someone help me please Data Sheet 3 Il. Determining the Molar Mass of an Unk
can someone help me please Data Sheet 3 Il. Determining the Molar Mass of an Unknown unknown identification code mass of test tube, g mass of test tube plus naphthalene, g mass of…
can someone help me please? Approval workshop #12 Periodic Trends and Bondin A \
can someone help me please? Approval workshop #12 Periodic Trends and Bondin A "Trendy Workshop A1. write the chemical reactions for the following processes. Be sure to include st…
can someone help me please? Name A-Trendy\" workstven Workshop A12 Periodic Tren
can someone help me please? Name A-Trendy" workstven Workshop A12 Periodic Trends and Bonding E. You ONLY GET ONE CHANCE AT THIS PROBLEM Given the following elements: Ar Te U ch o…
can someone help me solve all sections (a,b,c,d) from this Ochem question with e
can someone help me solve all sections (a,b,c,d) from this Ochem question with explaining please, I really don't understand any of the sections 4. The following reaction energy di…
can someone help me solve these problems ? Post-Laboratory Questions 1 What proc
can someone help me solve these problems ? Post-Laboratory Questions 1 What procedural change for this experiment would be necessary if the solubility of the s wew initialy determ…
can someone help me step by step with the mathmatics involved with this, please?
can someone help me step by step with the mathmatics involved with this, please? I mean like your teaching a highschool kid the algebra rules. thank you ?? 1) Consider the reactio…
can someone help me to find answer of this question please? 5. The following pro
can someone help me to find answer of this question please? 5. The following program is supposed to get 10 numbers from the user and display a total of how many ofthose numbers ar…
can someone help me with my operator+ function.. I tested it in main with the fo
can someone help me with my operator+ function.. I tested it in main with the following code list3=operator+(*list1,*list2); and received a random huge number as an output and som…
can someone help me with these questions please. VBNM palanted eylinler beforeha
can someone help me with these questions please. VBNM palanted eylinler beforehand and found the mass to be 30.214g. The combined masof vinegar with the graduated cylinder came to…
can someone help show me how to calculate the volume of water and the volume of
can someone help show me how to calculate the volume of water and the volume of albumin stock for the first problem with the BIURET ASSAY Calculate the volume (1) of the albumin s…
can someone help with chemistry stuff 2 Most elements can be found in nature in
can someone help with chemistry stuff 2 Most elements can be found in nature in their pure (i.e. not combined with other elements to make a compound) from. Scientists predict that…
can someone help with chemistry stuff The air that we breathe can be separated i
can someone help with chemistry stuff The air that we breathe can be separated into simpler substances by physical means. Some, but not all, pure substances can be broken down int…
can someone help with questions 5-7? 5. Name at least three inorganic substances
can someone help with questions 5-7? 5. Name at least three inorganic substances that sublime at room temperature ubstances th.t sullime atoom tempentunsar4 The three i Carbnde, i…
can someone help with the old ones thank you How would you make 500.00mL of 1.50
can someone help with the old ones thank you How would you make 500.00mL of 1.50M sulfuric acid solution from a stock bottle that is 10.0M? Show calculation. 6. 7. What is the new…
can someone help with these nursing dosage calculations problems? A child has a
can someone help with these nursing dosage calculations problems? A child has a BSA of 0.82 m2. The recommended dose of a drug is 2 million units/m2. How many units will you admin…
can someone please answee the questions below. thank you A drug becomes more sol
can someone please answee the questions below. thank you A drug becomes more soluble in water when the solution is warmed. Classify the dissolution as endothermic or exothermic Gi…
can someone please answer the following MCQ for me please. thank you Which ONE o
can someone please answer the following MCQ for me please. thank you Which ONE of the following is TRUE with regards to the basis of the technique of chromatography, when separati…
can someone please answer the following MCQ, thank you 14 Read the statements be
can someone please answer the following MCQ, thank you 14 Read the statements below referring to 1H-NMR. Which ONE statement is NOT correct? A. The extent of the direct spin-spin …
can someone please answer the follwing questions for me please. thank you 14 Rea
can someone please answer the follwing questions for me please. thank you 14 Read the statements below referring to 1H-NMR. Which ONE statement is NOT correct? A. The extent of th…
can someone please answer this I see that some one did earlier but it is saying
can someone please answer this I see that some one did earlier but it is saying the answer is wrong (some where in calculation two many didgits where used . The burner on an elect…
can someone please check my answers 13. (S pts) How many different scts of peaks
can someone please check my answers 13. (S pts) How many different scts of peaks (a doublet would be 1 set of peaks for example) should be present in the H NMR spectrum of the fol…
can someone please check my answers 7. (5 pts) What elimination product is forme
can someone please check my answers 7. (5 pts) What elimination product is formed in the following reaction? 8. (5 pts) What is the named product if an elimination reaction gives …
can someone please explain #114 why is the lowest oxidation number of nitrogen-3
can someone please explain #114 why is the lowest oxidation number of nitrogen-3 I don't get why ? And #118 down at the bottom I don't understand the logic of how to arrive at tha…
can someone please explain #114 why is the lowest oxidation number of nitrogen-3
can someone please explain #114 why is the lowest oxidation number of nitrogen-3 I don't get why ? And #118 down at the bottom I don't understand the logic of how to arrive at tha…
can someone please figure out approximately how many grams of lycopene are in a
can someone please figure out approximately how many grams of lycopene are in a serving ? based on the numbers given Tare weight of round bottom flask 34.77g weight of round botto…
can someone please help me figure out the followingproblem? 1.The heat of fusion
can someone please help me figure out the followingproblem? 1.The heat of fusion of water is 80 cal/g, the heat ofvaporization of water is 540 cal/g, the specifc heat of ice is 0.…
can someone please help me figure out whats wrong with my program code? #include
can someone please help me figure out whats wrong with my program code? #include <iostream> #include <cstring> #include <cctype> #include <iomanip> using n…
can someone please help me figure these example problems outso that i can learn
can someone please help me figure these example problems outso that i can learn how to do PVT? 1)A sample of argon occupies 195.7 mL at 1.74 atm and 12°C. If the volume is changed…
can someone please help me im stuck Exercise 18.16 The voltaic cell is represent
can someone please help me im stuck Exercise 18.16 The voltaic cell is represented with the line notation Mn(s) Mn2+(aq) || CIO2 (aq) | CIO2(9) |Pt(s) Standard Reduction Half-Cell…
can someone please help me with the following 3 questions Draw the resonance for
can someone please help me with the following 3 questions Draw the resonance forms that fit the octet rule for the metaphosphate ion, PO_3 How many sigma bonds are there? How many…
can someone please help me with the following example problemsso i can figure th
can someone please help me with the following example problemsso i can figure this out? 1)A sample of gas occupies 7.27 L. If the pressure isincreased 10 times and the absolute te…
can someone please help me with the following problem.pleaseand thank you! The h
can someone please help me with the following problem.pleaseand thank you! The heat of fusion of water is 80 cal/g, the heat of vaporizationof water is 540 cal/g, the specifc heat…
can someone please help me with the following questions? Questions 1-12 pertain
can someone please help me with the following questions? Questions 1-12 pertain to the following five structures in the Fischer Synthesis of a carbohydrate s ns 1-12 pertain to th…
can someone please help me with the right answer for the following questions. ca
can someone please help me with the right answer for the following questions. can you please answer all of them or dont attempt to answer. thank you. 1. Which ONE of the following…
can someone please help me with the right answer for the following questions. ca
can someone please help me with the right answer for the following questions. can you please answer all of them or dont attempt to answer. thank you. 19. The sodium ion content of…
can someone please help me with the right answer for the following questions. ca
can someone please help me with the right answer for the following questions. can you please answer all of them or dont attempt to answer. thank you. 9. What was the precision of …
can someone please help me with the right answer for the following questions. ca
can someone please help me with the right answer for the following questions. can you please answer all of them or dont attempt to answer. thank you. 14. Which ONE of the followin…
can someone please help me with these questions?? You are going to be making a f
can someone please help me with these questions?? You are going to be making a forecast for the next day (local time) at your location. First state the model initialization date a…
can someone please help me with this Part A Write balanced complete ionic equati
can someone please help me with this Part A Write balanced complete ionic equation for K2SO4(aq) + Cal(aq) CaSO4(s) + KI(aq) Express your answer as a chemical equation. Identify a…
can someone please help me with this analytical chemistry question please and th
can someone please help me with this analytical chemistry question please and thank you Write balanced equations to describe the following processes: the oxidation of manganese(II…
can someone please help me? 1.The heat of fusion of water is 80 cal/g, the heat
can someone please help me? 1.The heat of fusion of water is 80 cal/g, the heat ofvaporization of water is 540 cal/g, and the specific heat of wateris 1.0 cal/deg/g. How many gram…
can someone please help me??? 1.Calculate the molarity of an acetic acid solutio
can someone please help me??? 1.Calculate the molarity of an acetic acid solution if 76.34 mL ofthe solution is needed to neutralize 112 mL of 1.85 Msodium hydroxide. The equation…