Homework Answers
% error= 100(difference in mass )/theoretical mass
thoretical mass=15.0211 ml
which you have calculated from density
Add Answer to:
Unsure if my percent error is correct for the 100 mL beaker.
My volume read was...
F17 UTA-701 Measurement of Volume. Complete the following calculations. a. 50 ml, beaker 2. #1 #2...
F17 UTA-701 Measurement of Volume. Complete the following calculations. a. 50 ml, beaker 2. #1 #2 #3 % e2 sees 56.6y a, 1 . Mass of beaker with "-30mL" ofwater a.2. Mass of empty beaker a.3. Mass of water a.4. True volume in beaker (calculated from mass and density) a.5. Observed Volume (as read from beaker)9 m a.6. Percent (%) error a7. Average % error Because each measurement was made with a slightly different amount of water, we will normalize...
Partner's Name Table 2. Calculated Data- Mean, standard deviation, and percent errors for volumes Fill in...
Partner's Name Table 2. Calculated Data- Mean, standard deviation, and percent errors for volumes Fill in the table with the values calculated using Excel. Calculated Value Actual volume Mean Standard Deviation Percent Error Beaker Graduated cylinder Volumetric lask Buret Pipet 2245 m Show correct significant figures and units for all data that require units for full credit. Attach your Excel spreadsheet used to find volume means and standard deviations. A sample spreadsheet with fictitious data is shown in Figure 1...
i am not sure is my answers on this lab is correct. i am confused as...
i am not sure is my answers on this lab is correct. i am
confused as fo how to find the mass of solution and moles of H+ and
OH-
Chem 1A Thermochemistry Experiment 7 Reaction 2: Heat of
Neutralization
Chem. 1A Thermochemistry Experiment 7 Data and Results: Part A M (HCI): Volume HCl(aq): h Initial Temperature: HO Reaction 2: Heat of Neutralization M(NaOH) lt 0.5 mL) Volume NaOH(aq): 22.0 " from plot) Final Temperature: 65 - D_10.5 mL) 29....
Please calculate the percent yield if my actual yield was 0.06g NUCLEOPHILIC DISPLACEMENT- FORMATION OF AN...
Please calculate the percent yield if my actual yield was
0.06g
NUCLEOPHILIC DISPLACEMENT- FORMATION OF AN ETHER BY AN SN2 REACTION Bond formation by use of an SN2 reaction is very important for organic and biological synthesis. Many new bonds formed make use of this versatile reaction pathway. In this reaction, one partner is the nucleophile and the other partner is the electrophile. The electrophile will have a leaving group that will be lost in the reaction. In the SN2...
Lab Report Guide: - 1. Results (4 pts) o Tables neatly filled out with data o ...
Lab Report Guide: - 1. Results (4 pts) o Tables neatly filled out with data o Proper significant figures o Legible sample calculations - 2. Error Analysis (4 pts) o Determination of percent error (for glassware and metal densities) o Typed discussion of measured results vs literature results and description of possible sources of error. Note that “human error” is not an acceptable answer. Please be specific. - 3. Post Lab Questions (4 pts) o Hand written answers to the...
Need to find percent by mass of K and Cl combined in KClO3 and the rest....
Need to find percent by mass of K and Cl combined in KClO3 and
the rest. thanks!
there is no information about AgCl
SAFETY PRECAUTIONS BEYOND STANDARD PROCEDURES CAUTION! Potassium chlorate is a strong oxidizing agent and may cause fires or explosions if mixed or heated with combustible materials. Observe the following safety precautions when working with potassium chlorate. Heat samples slowly and carefully to avoid spills and spattering. Check before disposing of potassium chlorate residue. Dispose of solutions containing...
I need helo on question #12. I solved the problem but the percent error is a...
I need helo on question #12. I solved the problem but the
percent error is a large number. Are my calculations correct?
Titration of a weak unknown acid: Name: Noora Hamil Unknown acid A Mass of the Unknown acid: Volume NaOH added (letter or number on the unknown bottle) 0.19 Concentration of NaOH(aq):_01705 M рн 0.5 2.5 2.61 2.6u 2.67 2.69 2.73 2.77 2.81 2.86 2 .93 3.04 3.13 3.23 3.37 3 .5 u u.s 5:5 6.5 3.59 7.5 u.co...
Can somebody help me with my lab report question 1? nalysis: Your lab report should include...
Can
somebody help me with my lab report question 1?
nalysis: Your lab report should include the following: In the "Calculations" section: 1. Using your measurements of the dimensions of the room, calculate lume of the room. Also calculate the uncertainty in the volume given your estimated uncertainties in the length, width and height. 2. Determine the area of the table for both sets of measurements (ruler and meter stick), and calculate the uncertainty in the area using both sets...
i dont understand why the molecular weight i calculated (42.012 g/mol) for my unknown liquid (acetone)...
i dont understand why the molecular weight i calculated
(42.012 g/mol) for my unknown liquid (acetone) is less than the
actual molecular weight (58.08 g/mol). what errors could i have
made in my lab that would account for the difference.
Molecular Weight of a Volatile Liquid In this experiment, an amount of liquid more than sufficient to fill the flask when vaporized is placed in a flask of measured volume and mass. The flask is then heated in a boiling...
please help with no 3,4,5 and 6 Thanks 1. What is standard error? Measure of statistical...
please help with no 3,4,5 and 6
Thanks
1. What is standard error? Measure of statistical accuracy of an estimate, equal to the standard deviation of the theorental distribution of a large populanon of such estimates 2. What calculation is used to describe the variation in measurements. 3. In experiment 3.2. You will be measuring out 40ml of volume. How many times will you measure 40 ml? 4. What is the difference for each time you measure out 40ml? In...
F17 UTA-701 Measurement of Volume. Complete the following calculations. a. 50 ml, beaker 2. #1 #2 #3 % e2 sees 56.6y a, 1 . Mass of beaker with "-30mL" ofwater a.2. Mass of empty beaker a.3. Mass of water a.4. True volume in beaker (calculated from mass and density) a.5. Observed Volume (as read from beaker)9 m a.6. Percent (%) error a7. Average % error Because each measurement was made with a slightly different amount of water, we will normalize...
Partner's Name Table 2. Calculated Data- Mean, standard deviation, and percent errors for volumes Fill in the table with the values calculated using Excel. Calculated Value Actual volume Mean Standard Deviation Percent Error Beaker Graduated cylinder Volumetric lask Buret Pipet 2245 m Show correct significant figures and units for all data that require units for full credit. Attach your Excel spreadsheet used to find volume means and standard deviations. A sample spreadsheet with fictitious data is shown in Figure 1...
i am not sure is my answers on this lab is correct. i am
confused as fo how to find the mass of solution and moles of H+ and
OH-
Chem 1A Thermochemistry Experiment 7 Reaction 2: Heat of
Neutralization
Chem. 1A Thermochemistry Experiment 7 Data and Results: Part A M (HCI): Volume HCl(aq): h Initial Temperature: HO Reaction 2: Heat of Neutralization M(NaOH) lt 0.5 mL) Volume NaOH(aq): 22.0 " from plot) Final Temperature: 65 - D_10.5 mL) 29....
Please calculate the percent yield if my actual yield was
0.06g
NUCLEOPHILIC DISPLACEMENT- FORMATION OF AN ETHER BY AN SN2 REACTION Bond formation by use of an SN2 reaction is very important for organic and biological synthesis. Many new bonds formed make use of this versatile reaction pathway. In this reaction, one partner is the nucleophile and the other partner is the electrophile. The electrophile will have a leaving group that will be lost in the reaction. In the SN2...
Need to find percent by mass of K and Cl combined in KClO3 and
the rest. thanks!
there is no information about AgCl
SAFETY PRECAUTIONS BEYOND STANDARD PROCEDURES CAUTION! Potassium chlorate is a strong oxidizing agent and may cause fires or explosions if mixed or heated with combustible materials. Observe the following safety precautions when working with potassium chlorate. Heat samples slowly and carefully to avoid spills and spattering. Check before disposing of potassium chlorate residue. Dispose of solutions containing...
I need helo on question #12. I solved the problem but the
percent error is a large number. Are my calculations correct?
Titration of a weak unknown acid: Name: Noora Hamil Unknown acid A Mass of the Unknown acid: Volume NaOH added (letter or number on the unknown bottle) 0.19 Concentration of NaOH(aq):_01705 M рн 0.5 2.5 2.61 2.6u 2.67 2.69 2.73 2.77 2.81 2.86 2 .93 3.04 3.13 3.23 3.37 3 .5 u u.s 5:5 6.5 3.59 7.5 u.co...
Can
somebody help me with my lab report question 1?
nalysis: Your lab report should include the following: In the "Calculations" section: 1. Using your measurements of the dimensions of the room, calculate lume of the room. Also calculate the uncertainty in the volume given your estimated uncertainties in the length, width and height. 2. Determine the area of the table for both sets of measurements (ruler and meter stick), and calculate the uncertainty in the area using both sets...
i dont understand why the molecular weight i calculated
(42.012 g/mol) for my unknown liquid (acetone) is less than the
actual molecular weight (58.08 g/mol). what errors could i have
made in my lab that would account for the difference.
Molecular Weight of a Volatile Liquid In this experiment, an amount of liquid more than sufficient to fill the flask when vaporized is placed in a flask of measured volume and mass. The flask is then heated in a boiling...
please help with no 3,4,5 and 6
Thanks
1. What is standard error? Measure of statistical accuracy of an estimate, equal to the standard deviation of the theorental distribution of a large populanon of such estimates 2. What calculation is used to describe the variation in measurements. 3. In experiment 3.2. You will be measuring out 40ml of volume. How many times will you measure 40 ml? 4. What is the difference for each time you measure out 40ml? In...
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