Homework Answers
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These questions are answered by using the simple concept of significant figures and their addition and multiplication.
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8a). Evaluate each of the following and write the answer to the...
Please show all steps. Will rate immediately. A galvanometer has an internal resistance of 33 12...
Please show all steps. Will rate immediately.
A galvanometer has an internal resistance of 33 12 and deflects full scale for a 50-uA current. Part A Describe how to use this galvanometer to make an ammeter to read currents up to 25 A O A resistor must be placed in parallel with the galvanometer. A resistor must be placed in series with the galvanometer. Submit Previous Answers ✓ Correct Part B What is the value of this resistor? Express your...
Work out the following problems showing all steps and unit conversions. Express all answers in Standard...
Work out the following problems showing all steps and unit conversions. Express all answers in Standard Scientific Notation, to the appropriate number of Significant Figures. 1) 6.0 ml/sec x 4.0 hrs = ? gal 2) 10 L/hr x 2 days = ? liquid ounces 3) 3.00 cm/day x 5.05 years = ? mi 4) 20. L/sec x 4.0 hr = ?? gal 5) 50. m/sec x 2.00 hr = ?? km 6) 1.5 x 10-5 m/sec x 2.5 x 10-3...
borinpn ledidg ngo ordg yd babsph jarpg bns 3-7. Write each answer with the correct number...
borinpn ledidg ngo ordg yd babsph jarpg bns 3-7. Write each answer with the correct number of significant figures. (a) 1.0+ 2.1 + 3.4 + 5.8 = 12.300 ) (bi 106.9 (c) 107.868 (2.113 X 102) + (5.623 x 103)=5519.568 (d) (26.14/37.62) x 4.38 (e) (26.14/(37.62 x 108)) x (4.38 X 10-2) 3.043 413 x 10-10 if) (26.14/3.38) 4.2 11.933 7 (g) log(3.98 X 104)= 4.599 9 (h) 10-6.31 - 31.4,= 75.500 0 oiluto 3.043 413 4.897 79 X 10oi
Need to know how to work out problem in steps and the answer to each salt to check my work pls Calculate the molar solubility of salt in pure water. The Ksp value is -The instructors will choose a...
Need to know how to work out problem in steps and the answer
to each salt to check my work pls
Calculate the molar solubility of salt in pure water. The Ksp value is -The instructors will choose a salt such as CaCO3, Pblz, Hg Clh, Ag PO4, or Ca(PO4)2. The instructors wil give a numerical value for Ksp appropriate to the salt. - Your full-credit answer must show (1) the balanced solubility equilibrium reaction equation, (2) the Ksp equilibrium...
Write your answers (with 3 significant figures) in the blanks provided. 1 A 2000 lbs car...
Write your answers (with 3 significant figures) in the blanks provided. 1 A 2000 lbs car is driving down a 10 slope at 40 mph The coefficient of dynamic friction between the road and the tires is 1, and the driver has the brakes Full 30 points will be awarded for the correct answer to the following question: What is the car's stopping distance? If the full credit cannot be awarded, then partial credit will be awarded for the correct...
ch16 answer all of them please Part A Determine whether each of the following salts will...
ch16
answer all of them please
Part A Determine whether each of the following salts will form a solution that is acidic, basic, or pH-neutral. Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help Nacio CH3NH3CI NaNO3 C2H5NH3CN AI(NO3)3 Acidic Basic pH-neutral Submit Part A Determine the (OH) of a solution that is 0.180 M in F. (K, for HF is 6.8 x 10-4) Express your answer in molarity to two significant figures. VO AO ?...
Directions: Answer each of the following questions. Be sure to use complete sentences where appropriate. For...
Directions: Answer each of the following questions. Be sure to use complete sentences where appropriate. For full credit be sure to show all of your work. Where appropriate answers should be boxed for clarity, written to the correct number of significant figures, and, include the proper units. 1. Which of the following is a chemical reaction (4 points)? a. Solid copper deposits on a piece of aluminum foil when the foil is placed in a blue copper(II) nitrate solution. The...
Name Worksheet 8 - Chemical Reactions Directions: Answer each of the following questions. Be sure to...
Name Worksheet 8 - Chemical Reactions Directions: Answer each of the following questions. Be sure to complete sentences where appropriate. For full credit be sure to show all of your work. Where appropriate anwes should be boxed for clarity, written to the correct number of significant figures, and include proper units. Remember to include phase labels in your balanced chemical reactions. 1. Single Replacement Reactions - Write the correctly balanced chemical equation for cach and write which clement is more...
Instructions: Answer each of the following questions. For problem solving questions, all work must be shown in detail (...
Instructions: Answer each of the following questions. For problem solving questions, all work must be shown in detail (Plain answers will earn no credit). Round your answer to the second decimal place. For questions that require Minitab, copy an appropriate image from Minitab, paste it to a document (e.g., Microsoft Word), then print the page. 1. (20 pts) The data below shows a set of heights (x) and weights (y) of 10 students. į 1 Xi 63 Yi 127 2...
please help Answer the questions in the blue book in order. You must show all working for full credit. R- 0.08206...
please help
Answer the questions in the blue book in order. You must show all working for full credit. R- 0.08206 Latm/mol.K 1. Initial rate data at 25.0 °C for the reaction: NH4+ (aq) + NO2 (aq) ----> N2(g) + H20 (1) are shown below: Expt. [NH4+lo [NO2 lo Initial rate/Ms 0.24 0.12 0.12 0.10 0.10 0.15 7.2 x 10-6 3.6 x 10-6 iii) 5.4 x 10-6 Determine the rate law from the data and calculate the rate constant k...
Please show all steps. Will rate immediately.
A galvanometer has an internal resistance of 33 12 and deflects full scale for a 50-uA current. Part A Describe how to use this galvanometer to make an ammeter to read currents up to 25 A O A resistor must be placed in parallel with the galvanometer. A resistor must be placed in series with the galvanometer. Submit Previous Answers ✓ Correct Part B What is the value of this resistor? Express your...
borinpn ledidg ngo ordg yd babsph jarpg bns 3-7. Write each answer with the correct number of significant figures. (a) 1.0+ 2.1 + 3.4 + 5.8 = 12.300 ) (bi 106.9 (c) 107.868 (2.113 X 102) + (5.623 x 103)=5519.568 (d) (26.14/37.62) x 4.38 (e) (26.14/(37.62 x 108)) x (4.38 X 10-2) 3.043 413 x 10-10 if) (26.14/3.38) 4.2 11.933 7 (g) log(3.98 X 104)= 4.599 9 (h) 10-6.31 - 31.4,= 75.500 0 oiluto 3.043 413 4.897 79 X 10oi
Need to know how to work out problem in steps and the answer
to each salt to check my work pls
Calculate the molar solubility of salt in pure water. The Ksp value is -The instructors will choose a salt such as CaCO3, Pblz, Hg Clh, Ag PO4, or Ca(PO4)2. The instructors wil give a numerical value for Ksp appropriate to the salt. - Your full-credit answer must show (1) the balanced solubility equilibrium reaction equation, (2) the Ksp equilibrium...
Write your answers (with 3 significant figures) in the blanks provided. 1 A 2000 lbs car is driving down a 10 slope at 40 mph The coefficient of dynamic friction between the road and the tires is 1, and the driver has the brakes Full 30 points will be awarded for the correct answer to the following question: What is the car's stopping distance? If the full credit cannot be awarded, then partial credit will be awarded for the correct...
ch16
answer all of them please
Part A Determine whether each of the following salts will form a solution that is acidic, basic, or pH-neutral. Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help Nacio CH3NH3CI NaNO3 C2H5NH3CN AI(NO3)3 Acidic Basic pH-neutral Submit Part A Determine the (OH) of a solution that is 0.180 M in F. (K, for HF is 6.8 x 10-4) Express your answer in molarity to two significant figures. VO AO ?...
Directions: Answer each of the following questions. Be sure to use complete sentences where appropriate. For full credit be sure to show all of your work. Where appropriate answers should be boxed for clarity, written to the correct number of significant figures, and, include the proper units. 1. Which of the following is a chemical reaction (4 points)? a. Solid copper deposits on a piece of aluminum foil when the foil is placed in a blue copper(II) nitrate solution. The...
Name Worksheet 8 - Chemical Reactions Directions: Answer each of the following questions. Be sure to complete sentences where appropriate. For full credit be sure to show all of your work. Where appropriate anwes should be boxed for clarity, written to the correct number of significant figures, and include proper units. Remember to include phase labels in your balanced chemical reactions. 1. Single Replacement Reactions - Write the correctly balanced chemical equation for cach and write which clement is more...
Instructions: Answer each of the following questions. For problem solving questions, all work must be shown in detail (Plain answers will earn no credit). Round your answer to the second decimal place. For questions that require Minitab, copy an appropriate image from Minitab, paste it to a document (e.g., Microsoft Word), then print the page. 1. (20 pts) The data below shows a set of heights (x) and weights (y) of 10 students. į 1 Xi 63 Yi 127 2...
please help
Answer the questions in the blue book in order. You must show all working for full credit. R- 0.08206 Latm/mol.K 1. Initial rate data at 25.0 °C for the reaction: NH4+ (aq) + NO2 (aq) ----> N2(g) + H20 (1) are shown below: Expt. [NH4+lo [NO2 lo Initial rate/Ms 0.24 0.12 0.12 0.10 0.10 0.15 7.2 x 10-6 3.6 x 10-6 iii) 5.4 x 10-6 Determine the rate law from the data and calculate the rate constant k...
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