Please show work. I need to do this a few times on other data tables.
Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
Please show work. I need to do this a few times on
other data tables.
Data...
Need help solving the calculationss. please show work on a seperae piece of paper and show...
Need help solving the calculationss. please show work on a
seperae piece of paper and show all work.
Background information.
Experiment 1: Measure the Freezing Point of Pure Water 10 1. Volume of water (mL): 10 2. Mass of water (g): 3. Freezing Temperature (°C): 0 Experiment 2: Measure the Freezing Point of a Solution of an Unknown Substance 1. Mass of FP sample 1 (g): 2.00 si 2. Mass of sample and water (g): 12.000 3. Freezing Temperature (°C):...
Freezing Point Depression: Determination of the Molar Mass of an Unknown Substance Laboratory Record Unknown Identifier...
Freezing Point Depression: Determination of the Molar Mass of an Unknown Substance Laboratory Record Unknown Identifier #4 (All unknowns are nonelectrolytes, soi-1) Determination of the freezing point of pure l-butyl alcohol: (Record time-temperature data on the next page) 29.62 1. Mass of empty test tube 2. Mass of test tube and t-butyl alcohol after determination of freezing point of pure t-butyl alcohol 50.25 20.71 3. Mass of t-butyl alcohol Determination of the molar mass of an unknown: (Record time-temperature data...
i cant figure out #8 please help. thank you. also if you could help with #6...
i cant figure out #8 please help. thank you.
also if you could help with #6 it would be greatly
appreciated
CALCULATIONS Show all work. 1. Mass of acetic acid, g 19.66g 2. Mass of unknown sample in acetic acid solution.g 2.00 g 3. Generate a cooling curve by plotting temperature vs time data on a single graph Plot on graphing paper or use a computer program and print plot. See Below 4. Freezing point of pure acetic acid solvent...
Show work please, Thanks! Question 3: The regression line equation for a set of data is...
Show work please, Thanks!
Question 3: The regression line equation for a set of data is given by y-hat = 2.3x+5 with n = 10. The mean value of y is 10.1 for the data set. Use a = 0.05. A. If the linear correlation coefficient is r=0.521, what is the best predicted y-value for x = 5? Justify for your answer. B. If the linear correlation coefficient is r = 0.972, what is the best predicted y-value for x...
did i solve 1 a corectly or do my numbers need to be switched? Test Tube...
did i solve 1 a corectly or do my numbers need to be
switched?
Test Tube M y 315 dilu LaiculdLIUIS PARTS B AND C Measuring the Freezing Points of Water and Aqueous Solutions 142 Laboratory Data for Determining Pring Pet T hree Decent Solutions Mass of Delonised Water salute Mass of Solute Freezing Point None 4.28 -1.84331 Naci 4, 4337 0.2380 -2.23293 Unknown A -0.2393 2.62978 Unknown B 4.04866 0.7395 -2.14573 1 Use the following steps to determine the...
what else do you need cuz this is all the data that i have i only...
what else do you need cuz this is all the data that i have i only
need the blanks answered
ectrophotometric Determination of Copper in Brass Na Data Sheet unknown number determination 2 (Solution 1) (Solution 3) mass of beaker and Cu wire, g mass of beaker, 8 96302 95.546 96.155 95.546 0.6o9g mass of copper wire, 8 0.7569 (Solution 2) (Solution 4) mass of beaker and brass, g mass of beaker, 8 mass of brass, 8 86.925 86.213 6712...
Please show all work AND any calculator functions. The table below summarizes data of heights and...
Please show all work AND any calculator functions. The table below summarizes data of heights and weights of 8 randomly selected adults. Use this information to answer parts a) – h). Height (x) in inches 5.2 5.6 5.8 5.9 5.4 6.1 6.0 5.7 Weight (y) in pounds 119 136 155 185 135 202 194 165 a) Test the claim ρ ≠ 0. Use α = 0.01. • State the hypotheses and label the claim. • State the significance level (α)....
Please help. Show work so I can understand how to do it Ten pairs of data...
Please help. Show work so I can understand how to do it
Ten pairs of data yield r = 0.003 and the regression equation =2+3x Also, the mean = 5 What is the best predicted value of y for x = 2? 7.0 5.0 8.0 17.0
I need help answering these questions MULTIPLE CHOICE. Choose the one alternative that best completes the...
I need help answering these questions
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answer the question. 1) The purpose of a linear regression line is to A) calculate the correlation coefficient B) display the bivariate distribution of X and Y C) identify the mean of the X and Y variables D) predict one set of scores from another set 2) The general equation for a straight line is expressed as A) Y - X- B)...
Hi, I need checking on all the work. If anything is wrong then show me step...
Hi,
I need checking on all the work. If anything is wrong then show me
step by step how is done.
11. Obtain a Cu 2 solution of unknown concentration. Write the unknown number on the data sheet. 12. Measure the absorbance of your standard solution, the two dilutions, and the unknown solution. Record these readings on the data sheet. All measurements will be made in the same cuvette and with the instrument set at a wavelength of 630 nanometers...
Need help solving the calculationss. please show work on a
seperae piece of paper and show all work.
Background information.
Experiment 1: Measure the Freezing Point of Pure Water 10 1. Volume of water (mL): 10 2. Mass of water (g): 3. Freezing Temperature (°C): 0 Experiment 2: Measure the Freezing Point of a Solution of an Unknown Substance 1. Mass of FP sample 1 (g): 2.00 si 2. Mass of sample and water (g): 12.000 3. Freezing Temperature (°C):...
Freezing Point Depression: Determination of the Molar Mass of an Unknown Substance Laboratory Record Unknown Identifier #4 (All unknowns are nonelectrolytes, soi-1) Determination of the freezing point of pure l-butyl alcohol: (Record time-temperature data on the next page) 29.62 1. Mass of empty test tube 2. Mass of test tube and t-butyl alcohol after determination of freezing point of pure t-butyl alcohol 50.25 20.71 3. Mass of t-butyl alcohol Determination of the molar mass of an unknown: (Record time-temperature data...
i cant figure out #8 please help. thank you.
also if you could help with #6 it would be greatly
appreciated
CALCULATIONS Show all work. 1. Mass of acetic acid, g 19.66g 2. Mass of unknown sample in acetic acid solution.g 2.00 g 3. Generate a cooling curve by plotting temperature vs time data on a single graph Plot on graphing paper or use a computer program and print plot. See Below 4. Freezing point of pure acetic acid solvent...
Show work please, Thanks!
Question 3: The regression line equation for a set of data is given by y-hat = 2.3x+5 with n = 10. The mean value of y is 10.1 for the data set. Use a = 0.05. A. If the linear correlation coefficient is r=0.521, what is the best predicted y-value for x = 5? Justify for your answer. B. If the linear correlation coefficient is r = 0.972, what is the best predicted y-value for x...
did i solve 1 a corectly or do my numbers need to be
switched?
Test Tube M y 315 dilu LaiculdLIUIS PARTS B AND C Measuring the Freezing Points of Water and Aqueous Solutions 142 Laboratory Data for Determining Pring Pet T hree Decent Solutions Mass of Delonised Water salute Mass of Solute Freezing Point None 4.28 -1.84331 Naci 4, 4337 0.2380 -2.23293 Unknown A -0.2393 2.62978 Unknown B 4.04866 0.7395 -2.14573 1 Use the following steps to determine the...
what else do you need cuz this is all the data that i have i only
need the blanks answered
ectrophotometric Determination of Copper in Brass Na Data Sheet unknown number determination 2 (Solution 1) (Solution 3) mass of beaker and Cu wire, g mass of beaker, 8 96302 95.546 96.155 95.546 0.6o9g mass of copper wire, 8 0.7569 (Solution 2) (Solution 4) mass of beaker and brass, g mass of beaker, 8 mass of brass, 8 86.925 86.213 6712...
Please help. Show work so I can understand how to do it
Ten pairs of data yield r = 0.003 and the regression equation =2+3x Also, the mean = 5 What is the best predicted value of y for x = 2? 7.0 5.0 8.0 17.0
I need help answering these questions
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answer the question. 1) The purpose of a linear regression line is to A) calculate the correlation coefficient B) display the bivariate distribution of X and Y C) identify the mean of the X and Y variables D) predict one set of scores from another set 2) The general equation for a straight line is expressed as A) Y - X- B)...
Hi,
I need checking on all the work. If anything is wrong then show me
step by step how is done.
11. Obtain a Cu 2 solution of unknown concentration. Write the unknown number on the data sheet. 12. Measure the absorbance of your standard solution, the two dilutions, and the unknown solution. Record these readings on the data sheet. All measurements will be made in the same cuvette and with the instrument set at a wavelength of 630 nanometers...
Most questions answered within 3 hours.
-
The Baily Corporation has developed a specialized software
program that improves inventory control capability. The following...
asked 23 seconds ago -
Problem 5-4A (Part Level Submission) Wolford Department Store is
located in midtown Metropolis. During the past...
asked 30 seconds ago -
Preparation of Benzoic Acid using a Grignard Reagent URGENT
1. During your Grignard formation, a small...
asked 23 minutes ago -
A uniform magnetic field is perpendicular to the plane of a wire
loop. If the loop...
asked 22 minutes ago -
At the peak of your career, your were earning $120,000 and
holding a top level position....
asked 25 minutes ago -
. A permanent magnet is dropped south-end-down through a horizontal
circular coil with a radius of...
asked 27 minutes ago -
Bernie's Beverages purchased some fixed assets classified as
5-year property for MACRS. The assets cost $28,000....
asked 41 minutes ago -
How many ATPs are produced from the catabolism of a 10-C
molecule of fatty acid under...
asked 46 minutes ago -
Before practicing a routine on the rings, a 64.8 kg gymnast
hangs motionless, with one hand...
asked 48 minutes ago -
If the K b of a weak base is 6.3 × 10 − 6 , what...
asked 54 minutes ago -
Which of the following is the minimum amount of moles of NaOH
that must be added...
asked 57 minutes ago -
Stories about organizational ________ provide important clues
about cultural values and norms.
a. myths
b. heroes...
asked 59 minutes ago