Homework Answers
50ml beaker is graded at interval of 10ml. The number of
unnumbered subdivision between the numbered divisions is 1. The
smallest unnumbered division is 10ml.The uncertainty of measurement
is 1ml .
The number of significant figure we can report is two.
The unit place digit contains the uncertain value.
Add Answer to:
Please show answer clearly.
3. Take out a 50ml beaker and add approximately 10ml of water....
Please show the work, including any converstions that are needed. Please do not typ the answer...
Please show the work, including any converstions that are
needed. Please do not typ the answer out in normal compter type
Show all calculations and report answers with the correct number of significant figures. All work should be neatly presented on separate sheets of paper and not on th 1. A certain beaker has a height of 8.00 inches and an inside diameter of 4.25 inches. A chemist places ten marbles, each with a diameter of 17.0 mm, in the...
About 0.2 g of solid sodium sulfite in 10ml beaker, add 1ml of ID water and...
About 0.2 g of solid sodium sulfite in 10ml beaker, add 1ml of ID water and mix well until solid is completely dissolved. Add about 1ml of 3 M sulfuric acid solution a) new the nno Deaker 5) Write overall net ionic equation is the sum of 2 following equations -1) the sulfite ion with the strong acid forming the unstable acid: -2) decomposition of the unstable acid: please help me to write 2 equations then I can add them...
(PLEASE SHOW WORK) 1. patient is receiving an antibiotic IVPB in 50ml every 8 hours to...
(PLEASE SHOW WORK) 1. patient is receiving an antibiotic IVPB in 50ml every 8 hours to run over 1 hour plus a maintenance IV of 100ml/hr. what is the 24h intake parenterally? 2. Order: 100ml lactated ringers solution infusing from 1200-1800, using micro tubing. what is the rate in gtt/min? 3.A provider orders procainamide 2mg/min IV. The IV Bag contains 1g procainamide in 250ml NS. Calculate the rate in ml/hr? 4. An IV of ibutilide is infusing at 300ml/he. the...
Please show all working out clearly, thank you. The bearing pin shown in (Figure 1) supports...
Please show all working out clearly, thank you.
The bearing pin shown in (Figure 1) supports the load of P = 3.5 kN. The support is 12 mm thick. Part A Determine the normal stress in the support member at point B. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. ? CH PÅ Value A O O Units ob= Figure...
Student Course Home royinstruct 72/quizzes/285228/take uestion9 10 pts You add 0.500 kg of water to the...
Student Course Home royinstruct 72/quizzes/285228/take uestion9 10 pts You add 0.500 kg of water to the blender and run the blender for 20.0 seconds. The water's initial temperature is 20.00P C its final temperature is 25.00P C. How much heat has been added to the water, in J? The total heat added to the water is J.(You should calculate this to 3 significant figures). D Question 10 10 pts You add 0.500 kg of water to the blender and run...
please answer (step by step) and clearly: 2) 355 g of water ice is initially at...
please answer (step by step) and clearly:
2) 355 g of water ice is initially at a temperature of -11.0°C. If you want to turn it into water vapor at 122°C, how much heat energy will you have to add to it?
Step 1. Obtain a 600 mL beaker, andadd 300 mL of water. Step 2. Add 30...
Step 1. Obtain
a 600 mL beaker, andadd 300 mL of water.
Step 2. Add 30 mL
of HCl (2M) to the beaker, and stir.
Step 3. Add 10 mg
of magnesium metal to the beaker.
Step 4. Allow
thehydrogen gas to evolve. All of the magnesium should be
consumed.
Step 5. Record
the amount of hydrogen gas that has evolved using the chemical
property dialog.
questions:
In your lab report, include the following information in the
Discussion section of...
Experiment 10: Results Table (Allowed on concept review, pass in with your concept review quiz an...
Can
you complete the table using the data on page 175 please amd thank
you!
Experiment 10: Results Table (Allowed on concept review, pass in with your concept review quiz and data) Section: Date:_ Name: All results must be written in pen. Pencil is not allowed! Record all results with the correct number of significant figures and units No stray marks or notes should be present on this page. Only the tabulated results are allowed Determining the Boiling Point Elevation...
Data Note: Salt Chosen is PbCl2 and initial temperature given is 37.78 Solution 1 1. Make...
Data Note: Salt Chosen is PbCl2 and initial temperature given is 37.78 Solution 1 1. Make a saturated solution of your salt at the initial temperature. a. Add 10g of the salt to a beaker. b. Add 200 mL of water to the beaker c. Change the temperature to your assigned temperature by right clicking on the beaker, choose Thermal Properties, check the Insulated from Surroundings box, and enter the desired temperature. d. Right click on the beaker with the...
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...
Please show the work, including any converstions that are
needed. Please do not typ the answer out in normal compter type
Show all calculations and report answers with the correct number of significant figures. All work should be neatly presented on separate sheets of paper and not on th 1. A certain beaker has a height of 8.00 inches and an inside diameter of 4.25 inches. A chemist places ten marbles, each with a diameter of 17.0 mm, in the...
About 0.2 g of solid sodium sulfite in 10ml beaker, add 1ml of ID water and mix well until solid is completely dissolved. Add about 1ml of 3 M sulfuric acid solution a) new the nno Deaker 5) Write overall net ionic equation is the sum of 2 following equations -1) the sulfite ion with the strong acid forming the unstable acid: -2) decomposition of the unstable acid: please help me to write 2 equations then I can add them...
Please show all working out clearly, thank you.
The bearing pin shown in (Figure 1) supports the load of P = 3.5 kN. The support is 12 mm thick. Part A Determine the normal stress in the support member at point B. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. ? CH PÅ Value A O O Units ob= Figure...
Student Course Home royinstruct 72/quizzes/285228/take uestion9 10 pts You add 0.500 kg of water to the blender and run the blender for 20.0 seconds. The water's initial temperature is 20.00P C its final temperature is 25.00P C. How much heat has been added to the water, in J? The total heat added to the water is J.(You should calculate this to 3 significant figures). D Question 10 10 pts You add 0.500 kg of water to the blender and run...
please answer (step by step) and clearly:
2) 355 g of water ice is initially at a temperature of -11.0°C. If you want to turn it into water vapor at 122°C, how much heat energy will you have to add to it?
Step 1. Obtain
a 600 mL beaker, andadd 300 mL of water.
Step 2. Add 30 mL
of HCl (2M) to the beaker, and stir.
Step 3. Add 10 mg
of magnesium metal to the beaker.
Step 4. Allow
thehydrogen gas to evolve. All of the magnesium should be
consumed.
Step 5. Record
the amount of hydrogen gas that has evolved using the chemical
property dialog.
questions:
In your lab report, include the following information in the
Discussion section of...
Can
you complete the table using the data on page 175 please amd thank
you!
Experiment 10: Results Table (Allowed on concept review, pass in with your concept review quiz and data) Section: Date:_ Name: All results must be written in pen. Pencil is not allowed! Record all results with the correct number of significant figures and units No stray marks or notes should be present on this page. Only the tabulated results are allowed Determining the Boiling Point Elevation...
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...
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