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Gettinf multiple answers for #4 and check #3 please.
QUESTION 3 What current in amperes must...
3. A platinum wire of resistance 5 ohms has 4[amperes] of electric current flowing through it....
3. A platinum wire of resistance 5 ohms has 4[amperes] of electric current flowing through it. (3a) How many electrons are entering (and leaving) the wire per second, and why? (3b) What is the voltage drop across this wire in Volts? (3c) What is the magnetic field magnitude at a distance of 5[mm] away from the wire
Please check that my answers are correct and if not which ones are incorrect and how...
Please check that my answers are correct and if not which ones
are incorrect and how to solve them. Thank you.
Question 17 (10 points) Saved A constant current is passed through a solution of Cu2+ in an electrolytic cell. In 3.5 minutes, 0.21 g of copper is deposited at the cathode. The number of moles of electrons passed into the Cu2+ solution is 0.0066 mole. (Please enter your answer in decimal form, such as 0.021, and keep 2 significant...
for question #5, i divided #3 and #4 and then multiplied by 100. the answer the...
for question #5, i divided #3 and #4 and then multiplied by
100. the answer the last expert gave me with the correct sig figs
was 5.431 and it was incorrect. ive tried different variations of
the answer and i am still getting it wrong. please help
Suppose a student diluted and titrated a bleach unknown exactly as described in the experimental procedure except only a single titration was performed which required 15.04 mL of 0.100 M Na S203. The...
question 4-5 should be indicated on the scantron. Answers in dicated on Exam will not be graded. 4.Use pencil for ma...
question 4-5
should be indicated on the scantron. Answers in dicated on Exam will not be graded. 4.Use pencil for marking the answers on the scantron. 5. Apply significant figures as appropriate MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. AL 1) How many chloride ions are there in 7.50 mol of aluminum chloride? A1.35 1025 chloride lons 1) AIcl3 B) 3.00 chloride ions D) 4.52 1024 chloride lons C) 22.5 chloride lons...
Please check the answers below the table and help with a question (1-4). Thanks Name...
Please check the answers below the table and help with a
question (1-4). Thanks
Name Show your calculations for moles of lz reacted: (find through moles of S,0,?) Show your calculation for molarity of la reacted [A1]: (divide moles reacted by total reaction volume) Run Temp("C) Initial ITM InitialIH.01 M Reaction Time (ins) Reaction Rate (in MS = [A1] / At At 122.2 0.018 10.018 24.Ss 24.50 = 7.35 86-4 2/21.7 0.018 10.00882 45.065 = 3.99815-4 321.8 0.008820.018 42.5...
Please answer question number 1, 3, 4. The quantities for question number 1 are 5g of...
Please answer question number 1, 3, 4. The quantities for
question number 1 are 5g of acetanilide and 14ml (36g) of
chlorosulfonic acid.
PRELAB EXERCISE EXPERIMENT 23 Preparation of Sulfanilamide: A Multistep Synthesis 1. Using the quantities of acetanilide and chlorosulfonic acid noted in the macroscale procedure and any other necessary data, calculate the theoretical yield in moles and grams of p-acetamidobenzenesultony (TI). 2 Why must only dry glassware be used in handling chlorosulfonic acid? Write an equation for the...
question 2,7,9 please Charge 1. (10 points) What is the current through a conductor if X...
question 2,7,9 please
Charge 1. (10 points) What is the current through a conductor if X electrons pass through a cross section in Y time? 2. (10 points) The current flowing through a conductor is X. If it flows for Y time, how many electrons is that X = 100 microamps, Y = 2 days 3. (10 points) A current XuA flows and Y electrons are transported. How long did it take? Resistivity 4. (10 points) An object is round...
Please check answers and explain if wrong and what correct answer is. Thank you!! Question 2...
Please check answers and explain if wrong and what correct
answer is. Thank you!!
Question 2 (4 points) Saved An electrochemical cell in which an external current source supplies the energy for the electron transfer is an) electrolytic cell concentration cell combination cell voltaic cell half cell Question 3 (4 points) Saved Which of the following half reactions could occur at the cathode of an electrochemical cell? Cu ----> Cu2+ + 2e Cu + 2e ----> Cu2+ two of these...
Please answer the Question with explanation, to let me study it for EXAM. Ionic Bonding Activity In your group you will...
Please answer the Question with explanation, to let me
study it for EXAM.
Ionic Bonding Activity In your group you will determine and demonstrate the formation of ionic compounds. Complete the table below by following these steps. The first one is done for you as an example. 1. Determine how many valence electrons are in each element. 2. Figure out how many electrons would be transferred from one atom to the other. Remember each element tends to gain or lose...
Can someone answer all #15 Questions. Thanks 12:22 AM ooo T-Mobile LTE 100% Close PROBLEM SET...
Can
someone answer all #15 Questions. Thanks
12:22 AM ooo T-Mobile LTE 100% Close PROBLEM SET 10 due April 24, 2017 For each question, write the letter of the correct answer inthe column onthe right. 1. What mass of chromium can be deposited byelectrolysis of an aqueous solution of Cra(soda for 160 min using a constant current of 15.0 A? (F 9648SC/mol AO 0431 g c) 232.8 g DO 0.187g 2. Copper is electroplated from Cusoesolution. A constant current of...
3. A platinum wire of resistance 5 ohms has 4[amperes] of electric current flowing through it. (3a) How many electrons are entering (and leaving) the wire per second, and why? (3b) What is the voltage drop across this wire in Volts? (3c) What is the magnetic field magnitude at a distance of 5[mm] away from the wire
Please check that my answers are correct and if not which ones
are incorrect and how to solve them. Thank you.
Question 17 (10 points) Saved A constant current is passed through a solution of Cu2+ in an electrolytic cell. In 3.5 minutes, 0.21 g of copper is deposited at the cathode. The number of moles of electrons passed into the Cu2+ solution is 0.0066 mole. (Please enter your answer in decimal form, such as 0.021, and keep 2 significant...
for question #5, i divided #3 and #4 and then multiplied by
100. the answer the last expert gave me with the correct sig figs
was 5.431 and it was incorrect. ive tried different variations of
the answer and i am still getting it wrong. please help
Suppose a student diluted and titrated a bleach unknown exactly as described in the experimental procedure except only a single titration was performed which required 15.04 mL of 0.100 M Na S203. The...
question 4-5
should be indicated on the scantron. Answers in dicated on Exam will not be graded. 4.Use pencil for marking the answers on the scantron. 5. Apply significant figures as appropriate MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. AL 1) How many chloride ions are there in 7.50 mol of aluminum chloride? A1.35 1025 chloride lons 1) AIcl3 B) 3.00 chloride ions D) 4.52 1024 chloride lons C) 22.5 chloride lons...
Please check the answers below the table and help with a
question (1-4). Thanks
Name Show your calculations for moles of lz reacted: (find through moles of S,0,?) Show your calculation for molarity of la reacted [A1]: (divide moles reacted by total reaction volume) Run Temp("C) Initial ITM InitialIH.01 M Reaction Time (ins) Reaction Rate (in MS = [A1] / At At 122.2 0.018 10.018 24.Ss 24.50 = 7.35 86-4 2/21.7 0.018 10.00882 45.065 = 3.99815-4 321.8 0.008820.018 42.5...
Please answer question number 1, 3, 4. The quantities for
question number 1 are 5g of acetanilide and 14ml (36g) of
chlorosulfonic acid.
PRELAB EXERCISE EXPERIMENT 23 Preparation of Sulfanilamide: A Multistep Synthesis 1. Using the quantities of acetanilide and chlorosulfonic acid noted in the macroscale procedure and any other necessary data, calculate the theoretical yield in moles and grams of p-acetamidobenzenesultony (TI). 2 Why must only dry glassware be used in handling chlorosulfonic acid? Write an equation for the...
question 2,7,9 please
Charge 1. (10 points) What is the current through a conductor if X electrons pass through a cross section in Y time? 2. (10 points) The current flowing through a conductor is X. If it flows for Y time, how many electrons is that X = 100 microamps, Y = 2 days 3. (10 points) A current XuA flows and Y electrons are transported. How long did it take? Resistivity 4. (10 points) An object is round...
Please check answers and explain if wrong and what correct
answer is. Thank you!!
Question 2 (4 points) Saved An electrochemical cell in which an external current source supplies the energy for the electron transfer is an) electrolytic cell concentration cell combination cell voltaic cell half cell Question 3 (4 points) Saved Which of the following half reactions could occur at the cathode of an electrochemical cell? Cu ----> Cu2+ + 2e Cu + 2e ----> Cu2+ two of these...
Please answer the Question with explanation, to let me
study it for EXAM.
Ionic Bonding Activity In your group you will determine and demonstrate the formation of ionic compounds. Complete the table below by following these steps. The first one is done for you as an example. 1. Determine how many valence electrons are in each element. 2. Figure out how many electrons would be transferred from one atom to the other. Remember each element tends to gain or lose...
Can
someone answer all #15 Questions. Thanks
12:22 AM ooo T-Mobile LTE 100% Close PROBLEM SET 10 due April 24, 2017 For each question, write the letter of the correct answer inthe column onthe right. 1. What mass of chromium can be deposited byelectrolysis of an aqueous solution of Cra(soda for 160 min using a constant current of 15.0 A? (F 9648SC/mol AO 0431 g c) 232.8 g DO 0.187g 2. Copper is electroplated from Cusoesolution. A constant current of...
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