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Questions 16 -19 (10 points each). Show all work! An answer with no work will be...
PLEASE COMPLETE ALL ANSWER. SHOW ALL WORK. For questions 10 and 11. You need a buffer...
PLEASE COMPLETE ALL ANSWER. SHOW ALL WORK.
For questions 10 and 11. You need a buffer with a pH of 3.50 for a certain experiment. You decide to prepare this buffer using formic acid, CHO2H,(Ka =1.8 x 104) and sodium formate, NaCHO2. The concentration of formic acid, CHO2H, in this buffer is 0.150M. 10. (10 pts) Calculate the concentration of formate, CHO2. Report 2 significant figures. Show work. 11. (5 pts) How many grams of formic acid (46.03 g/mol) should...
Show all work and explain please. For multiple choice questions, circle the one best answer or...
Show all work and explain please.
For multiple choice questions, circle the one best answer or letter (unless more than one answer is asked for). Show your work 011 free-response questions. Be sure to use proper units and significant figures in your final answers. Organization and neatness count, too. Do NOT use red ink - please reserve that color for grading. Suppose that a more massive planet M_1 and a less massive planet M_2 are located distance d apart, as...
Individual effort; take home, 10 points. Show all your work for full credit (Due 01-22-19): (Refer...
Individual effort; take home, 10 points. Show all your work for full credit (Due 01-22-19): (Refer to section 8 in Chapter 1. P.22) 1. How many significant figures does each of the following numbers have? a. 1.0621 b. 6210.00 c.6.21x10 d. 0.0621 e. 320 d. 8000 2. Compute the following numbers, applying the significant figure standards adopted for this text. a. 33.3 x 25.4 b. 33.3-25.4 c. (4.32 x 1.23) -5.1- 3. Express the following numbers and computed results in...
show work please 2. Convert the following units. Make sure that your answer has the proper...
show work please
2. Convert the following units. Make sure that your answer has the proper number of significant figures a. 4.8 g/cma to kg/m b. 941 μm to km. Use scientific notation for your answer. (μ is the prefix "micro" and 1 μm 1 x 10-6 m) c. The speed of light is 2.9989 x 108 m/s. Convert to miles/hour. Use scientific notation in your answer. d. 782 kg to ug. Use scientific notion for your answer.
Please show all work Neatly 8. A rectangular object has a mass of 0.8 kg and...
Please show all work Neatly
8. A rectangular object has a mass of 0.8 kg and the following dimensions of length, width, and height: 1 = 10.0 cm, w = 3.0 cm and h = 2.0 cm. a) Calculate the density of this object in units of g/cm? Report your answer with the proper number of significant figures. (6 points) d=m:V 1kg = 1000 g b) Calculate the pressure that this object will exert on a surface placed so that...
Please answer ALL parts of these questions and show all work. I will rate my answer....
Please answer ALL parts of these questions and show all work. I
will rate my answer. Thank you!
.
E. Questions Consider the cylinder case. The uncertainty in any one measurement of the density can be determined in the following way. (a) Take the instrumental limit of error associated with the Vernier calipers used to be one-half the least count or smallest measureable increment 8lVernier = 0.001 cm Assume the uncertainty in all linear measurements to be the same and...
Glven the following data, answer questions 13, 14, 15, and 16 (each worth 10 points.) Attach...
Glven the following data, answer questions 13, 14, 15, and 16 (each worth 10 points.) Attach a sheet with your answers. Run (pressure) B (dmey A B (time)yi уз 4.000 9.000 1.000 4.333 10.333 1.528 1.000 10 10 20 20 150 10 1.528 150 10 12 13. Calculate the Avg (-), Avg (+), and half effect, select the significant factor(s)- Pareto of absolute values 14. Plot the main effects and interaction plot of AXB (hand sketch is fine)-comment on results...
16 10 attempts left Check my work Be sure to answer all parts. 5.88 points Carry...
16 10 attempts left Check my work Be sure to answer all parts. 5.88 points Carry out each of the following conversions. a. 602 g to mg eBook mg References b. 3 L to LIL PL c. 2.3 cm to m m 17 10 attempts left Check my work Be sure to answer all parts. 5.92 points Carry out each of the following conversions. a. 700 g to oz eBook OZ References b. 7 ft to m m c. 4.0...
Help with all questions please Answer all questions on a separate sheet of paper. Show all...
Help with all questions please
Answer all questions on a separate sheet of paper. Show all work and answer all questions completely. Make sure you use the proper number of significant figures and units. Place a box around all answers. 1. (2 points) How many milligrams of potassium dichromate heptahydrate are needed to prepare 50 mL of a 0.0375 M aqueous solution? Describe the procedure for making this solution. 2. (3 points) If 0.125 L of aqueous solution with a...
Show all your work on a separate sheet and box-in or highlight your final answer. Answer...
Show all your work on a separate sheet and box-in or highlight your final answer. Answer Formats: 6.7x10 should be typed in as 6.7x10^8 J. Use lower case "x" for multiplication and the "*" (shift 6) to exponents. No spaces in the number and one space between the number and the units. -4.5 m/sec? should be typed as-4.5 m/sec2. Only one space between the number and the units. 0.50 meters should be typed as 0.50 m. Always use a leading...
PLEASE COMPLETE ALL ANSWER. SHOW ALL WORK.
For questions 10 and 11. You need a buffer with a pH of 3.50 for a certain experiment. You decide to prepare this buffer using formic acid, CHO2H,(Ka =1.8 x 104) and sodium formate, NaCHO2. The concentration of formic acid, CHO2H, in this buffer is 0.150M. 10. (10 pts) Calculate the concentration of formate, CHO2. Report 2 significant figures. Show work. 11. (5 pts) How many grams of formic acid (46.03 g/mol) should...
Show all work and explain please.
For multiple choice questions, circle the one best answer or letter (unless more than one answer is asked for). Show your work 011 free-response questions. Be sure to use proper units and significant figures in your final answers. Organization and neatness count, too. Do NOT use red ink - please reserve that color for grading. Suppose that a more massive planet M_1 and a less massive planet M_2 are located distance d apart, as...
Individual effort; take home, 10 points. Show all your work for full credit (Due 01-22-19): (Refer to section 8 in Chapter 1. P.22) 1. How many significant figures does each of the following numbers have? a. 1.0621 b. 6210.00 c.6.21x10 d. 0.0621 e. 320 d. 8000 2. Compute the following numbers, applying the significant figure standards adopted for this text. a. 33.3 x 25.4 b. 33.3-25.4 c. (4.32 x 1.23) -5.1- 3. Express the following numbers and computed results in...
show work please
2. Convert the following units. Make sure that your answer has the proper number of significant figures a. 4.8 g/cma to kg/m b. 941 μm to km. Use scientific notation for your answer. (μ is the prefix "micro" and 1 μm 1 x 10-6 m) c. The speed of light is 2.9989 x 108 m/s. Convert to miles/hour. Use scientific notation in your answer. d. 782 kg to ug. Use scientific notion for your answer.
Please show all work Neatly
8. A rectangular object has a mass of 0.8 kg and the following dimensions of length, width, and height: 1 = 10.0 cm, w = 3.0 cm and h = 2.0 cm. a) Calculate the density of this object in units of g/cm? Report your answer with the proper number of significant figures. (6 points) d=m:V 1kg = 1000 g b) Calculate the pressure that this object will exert on a surface placed so that...
Please answer ALL parts of these questions and show all work. I
will rate my answer. Thank you!
.
E. Questions Consider the cylinder case. The uncertainty in any one measurement of the density can be determined in the following way. (a) Take the instrumental limit of error associated with the Vernier calipers used to be one-half the least count or smallest measureable increment 8lVernier = 0.001 cm Assume the uncertainty in all linear measurements to be the same and...
Glven the following data, answer questions 13, 14, 15, and 16 (each worth 10 points.) Attach a sheet with your answers. Run (pressure) B (dmey A B (time)yi уз 4.000 9.000 1.000 4.333 10.333 1.528 1.000 10 10 20 20 150 10 1.528 150 10 12 13. Calculate the Avg (-), Avg (+), and half effect, select the significant factor(s)- Pareto of absolute values 14. Plot the main effects and interaction plot of AXB (hand sketch is fine)-comment on results...
16 10 attempts left Check my work Be sure to answer all parts. 5.88 points Carry out each of the following conversions. a. 602 g to mg eBook mg References b. 3 L to LIL PL c. 2.3 cm to m m 17 10 attempts left Check my work Be sure to answer all parts. 5.92 points Carry out each of the following conversions. a. 700 g to oz eBook OZ References b. 7 ft to m m c. 4.0...
Help with all questions please
Answer all questions on a separate sheet of paper. Show all work and answer all questions completely. Make sure you use the proper number of significant figures and units. Place a box around all answers. 1. (2 points) How many milligrams of potassium dichromate heptahydrate are needed to prepare 50 mL of a 0.0375 M aqueous solution? Describe the procedure for making this solution. 2. (3 points) If 0.125 L of aqueous solution with a...
Show all your work on a separate sheet and box-in or highlight your final answer. Answer Formats: 6.7x10 should be typed in as 6.7x10^8 J. Use lower case "x" for multiplication and the "*" (shift 6) to exponents. No spaces in the number and one space between the number and the units. -4.5 m/sec? should be typed as-4.5 m/sec2. Only one space between the number and the units. 0.50 meters should be typed as 0.50 m. Always use a leading...
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