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You must show all work in order to receive f any mathematical question. Identify the following...
Need help doing chem calc. Please help! Additional Problems Show all work and calculations! 1. Identify...
Need help doing chem calc.
Please help!
Additional Problems Show all work and calculations! 1. Identify the following as a weak electrolyte, strong electrolyte, or nonelectrolyte and write the equation for when they are in solution. Example: PbCl2 is a weak electrolyte PbCl2(s)く-) Pb2+(aq) +2 Cl-(aq) a. H2SO4 c. H3PO4 d. (NH4)3PO4 e. CH3C2OH f. Ba(OH)2 g. CH3CO2H h. HCI 2. Calculate the concentration of a solution in which 5.8 moles of NaCl are dissolved in 250 mL of solution'?...
Instructions: Complete the following problems. In order to receive full credit, work must be show...
Instructions: Complete the following problems. In order to receive full credit, work must be shown. Answers alone without supporting information to document the process for solving the problem will receive no credit. [NOTE: Problem lb includes many similar calculations, most of which involve simple arithmetic so it is not necessary to show all work. To I) (12 pts) Use the following branch pedigree to provide answers for a), b) and e) a) Convert the branch pedigree into an arrow pedigree...
In order to receive full credit on these problems, you must clearly show all your work....
In order to receive full credit on these problems, you must clearly show all your work. An answer without justification will receive 0 credit. 1. (10 marks) Consider the subspace V = Span 11 [2] 5] - 1 [5] -71 [1] doo (a) Find a basis for V and V. (b) Find dim(V) and dim(V+). (c) Find a matrix B satisfying V = null(B). 2. (2 marks) True or False: If E is an elementary matrix, then nullity(A) = nullity(EA)....
number 6 and 7 please? For the following problems, you must show your work to receive...
number 6 and 7 please?
For the following problems, you must show your work to receive ANY credit. You must show the appropriate balanced chemical equation to receive ANY credit for the following calculations. 6. Calculate the pH of a 0.255 M aqueous solution of formic acid (HCO,H). K = 18 x 10-5 M. (8 pts) M. 7. Calculate the pH of a 0.275 M aqueous solution of dimethylamine ((CH3)2NH). Kb = 54 x 10 (8 pts)
Question 18 For the following questions, you must show all work to receive full credit. Not...
Question 18 For the following questions, you must show all work to receive full credit. Not yet answered Points out of 30.00 1 Vx da (a) Evaluate Jo 1 + x3 P Flag question poo e dx (b) Evaluate the improper integral Jo e2x + 1 er integrat (cº de toi cel Evaluate , * con lo) sin(as) de (c) Evaluate os? (x) sin? (x) dx (d) Evaluate the dx lo (e) Show work to calculate/justify why the following integral...
For all the remaining questions, you must show your work to receive credit. 9) What is...
For all the remaining questions, you must show your work to receive credit. 9) What is the mass, in grams, of 0.428500 moles of potassium? (2 pts.) LgK
SHORT ANSWER ( You must show all work to receive partial credit. All answers must be...
SHORT ANSWER ( You must show all work to receive partial credit. All answers must be rigorously justified using concepts and tools from class. In the event that an answer is logically obvious to you without any mathematical justification, you must urite a justification in words.): 13. Suppose the random variables X and Y have the joint pmf given below, where the probabil- ities pi 20, p2 2 0, p3 2 0, and p 20 are such that Pi +...
- suu must SNOW ALL work to receive any credit. No work, no credit. 1. The...
- suu must SNOW ALL work to receive any credit. No work, no credit. 1. The following figures show various charges moving through magnetic fields. Indicate the direction of magnetic force (if applicable). (6 points) BA X BX X x Fis going into the page since charge is x x F is going upward nof pfect charge is
In order to receive maximum partial credit, please show all work and circle your answers. You...
In order to receive maximum partial credit, please show all work and circle your answers. You must show some work on a problem to receive any credit for that problem. Please express all answers to 3 sig figs. An approved formula sheet is allowed. Problems are worth 17 pt each. Please pay special attention to the units given in each problem. All constants and conversion factors are available on the last page of the test. In Problems 1 & 2,...
Instructions: Please show all of your work. Unsupported answers may receive no credit. 1. (20 pts)...
Instructions: Please show all of your work. Unsupported answers may receive no credit. 1. (20 pts) Use mathematical induction to show that for integers n 21, 2.21 +3.22 + ... + (n + 1)21 = n. 21+1 w 2. (20 pts) Let P(n) be statement that a postage of n cents can be formed using only 4-cent and 7-cent stamps. Using strong induction, prove P(n) is true for n 2 18.
Need help doing chem calc.
Please help!
Additional Problems Show all work and calculations! 1. Identify the following as a weak electrolyte, strong electrolyte, or nonelectrolyte and write the equation for when they are in solution. Example: PbCl2 is a weak electrolyte PbCl2(s)く-) Pb2+(aq) +2 Cl-(aq) a. H2SO4 c. H3PO4 d. (NH4)3PO4 e. CH3C2OH f. Ba(OH)2 g. CH3CO2H h. HCI 2. Calculate the concentration of a solution in which 5.8 moles of NaCl are dissolved in 250 mL of solution'?...
Instructions: Complete the following problems. In order to receive full credit, work must be shown. Answers alone without supporting information to document the process for solving the problem will receive no credit. [NOTE: Problem lb includes many similar calculations, most of which involve simple arithmetic so it is not necessary to show all work. To I) (12 pts) Use the following branch pedigree to provide answers for a), b) and e) a) Convert the branch pedigree into an arrow pedigree...
In order to receive full credit on these problems, you must clearly show all your work. An answer without justification will receive 0 credit. 1. (10 marks) Consider the subspace V = Span 11 [2] 5] - 1 [5] -71 [1] doo (a) Find a basis for V and V. (b) Find dim(V) and dim(V+). (c) Find a matrix B satisfying V = null(B). 2. (2 marks) True or False: If E is an elementary matrix, then nullity(A) = nullity(EA)....
number 6 and 7 please?
For the following problems, you must show your work to receive ANY credit. You must show the appropriate balanced chemical equation to receive ANY credit for the following calculations. 6. Calculate the pH of a 0.255 M aqueous solution of formic acid (HCO,H). K = 18 x 10-5 M. (8 pts) M. 7. Calculate the pH of a 0.275 M aqueous solution of dimethylamine ((CH3)2NH). Kb = 54 x 10 (8 pts)
Question 18 For the following questions, you must show all work to receive full credit. Not yet answered Points out of 30.00 1 Vx da (a) Evaluate Jo 1 + x3 P Flag question poo e dx (b) Evaluate the improper integral Jo e2x + 1 er integrat (cº de toi cel Evaluate , * con lo) sin(as) de (c) Evaluate os? (x) sin? (x) dx (d) Evaluate the dx lo (e) Show work to calculate/justify why the following integral...
For all the remaining questions, you must show your work to receive credit. 9) What is the mass, in grams, of 0.428500 moles of potassium? (2 pts.) LgK
SHORT ANSWER ( You must show all work to receive partial credit. All answers must be rigorously justified using concepts and tools from class. In the event that an answer is logically obvious to you without any mathematical justification, you must urite a justification in words.): 13. Suppose the random variables X and Y have the joint pmf given below, where the probabil- ities pi 20, p2 2 0, p3 2 0, and p 20 are such that Pi +...
- suu must SNOW ALL work to receive any credit. No work, no credit. 1. The following figures show various charges moving through magnetic fields. Indicate the direction of magnetic force (if applicable). (6 points) BA X BX X x Fis going into the page since charge is x x F is going upward nof pfect charge is
In order to receive maximum partial credit, please show all work and circle your answers. You must show some work on a problem to receive any credit for that problem. Please express all answers to 3 sig figs. An approved formula sheet is allowed. Problems are worth 17 pt each. Please pay special attention to the units given in each problem. All constants and conversion factors are available on the last page of the test. In Problems 1 & 2,...
Instructions: Please show all of your work. Unsupported answers may receive no credit. 1. (20 pts) Use mathematical induction to show that for integers n 21, 2.21 +3.22 + ... + (n + 1)21 = n. 21+1 w 2. (20 pts) Let P(n) be statement that a postage of n cents can be formed using only 4-cent and 7-cent stamps. Using strong induction, prove P(n) is true for n 2 18.
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