Homework Answers
y = ln x
At marked point, y = 0
So,
0 = ln x
ln x = 0
x = e^(0)
x = 1
Answer: 1
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QUESTION 2 The relationship between AGº and K involves the natural logarithm. The plot below is...
48. When we look at the relationship between AGº and K and the data in Table...
48. When we look at the relationship between AGº and K and the data in Table 19.5, what information can be extracted from the data? Page 9 TABLE 19.5 Relationship between AG and K at 298 K AG", kJ/mol K +200 9.1 x 10 +100 30 X 10-19 17 x 10 +10 18 x 10-2 67 x 10 0 1.0 15 -10 56 x 10 5.8 x 10 -100 3.3 x 107 -200 1.1 X 10 -10 A) When AG®...
Relationship between Ecell and K The equilibrium constant for a cell reaction can be calculated from...
Relationship between Ecell and K The equilibrium constant for a cell reaction can be calculated from the standard cell voltage. The relationship between them is: RT nF where E standard cell potential R ideal gas constant Tkelvin temperature n number of moles of electrons for the reaction as written Fcharge carried by 1 mol of electrons Kequilibrium constant it is cusomary to use the equation in a form where numerical values are substituted for R., T and F at a...
QUESTION 1 Liquid /vapor saturation pressure P is sometimes represented as a function in logarithm as below log,o P...
QUESTION 1 Liquid /vapor saturation pressure P is sometimes represented as a function in logarithm as below log,o P It can also be converted by an equivalent function as following equation. Demonstrate the relationship for both functions and estimate I to X for each equation (a) 1 (F)--L x T (K), 11 (2 marks) )-32 Tcp): 1-3 (PO 1 /CO1/C3) kPa (5 marks) (PO 1/CO 1/C3) (I marks) (PO 1/CO1/C3) (1 marks) (PO 1/Co1/C3) (I marks) (PO 1/C01/C3)
A) Assume a linear relationship between the variables Y and X , and that Y is...
A) Assume a linear relationship between the variables Y and X , and that Y is the variable measured on the vertical axis while X is the variable measured on the horizontal axis. A straight line describing this relationship has a y-axis intercept of 10 and a slope of -1.25. What is the equation for this line? B) Is the relationship between Y and X positive or negative? How can you tell just by looking at this equation? C) Use...
k = 1.5 Have been asked to use MATLAB to plot Question 2: Hanging Cable It...
k = 1.5
Have been asked to use MATLAB to plot
Question 2: Hanging Cable It can be shown that the curve y(x) of an inextensible flexible homogeneous cable hanging between two fixed points is obtained by solving the following equation: 22 / 1+1 =k, dr where the constant k depends on the weight. This curve is called a "catenary' ("chain' in Latin). Find and plot y(x), assuming a given value for k and those fixed points are (-1,0) and...
1. Why is it important to recharge the spheres before each measurement? 2. Consider the function...
1. Why is it important to recharge the spheres before each measurement? 2. Consider the function y = xn (for n =-2). Take the natural logarithm of both sides and plot In(y) vs. In(x) on the graph below. Explain or show how to obtain "n" from the graph. (Hint: Can you fit the graph below to a straight line?) (use x-1, 2, 3, 4, 5, 6) In(x) In(y)
The relationship between two quantities x and y is examined, and the association is shown in...
The relationship between two quantities x and y is examined, and the association is shown in the scatterplot below. Question 10 Not yet answered Marked out of 1.00 P Flag question 0.5 i 15 2 2.5 3 3.5 4 4.5 4 Could a regression line be reasonably used to describe this data? N Select one a. No b. Yes
A recent study by the World Bank wished to determine whether there was a relationship between the abundance of natural...
A recent study by the World Bank wished to determine whether there was a relationship between the abundance of natural resources in a country and its long term rate of economic growth. Their study used 40 (n) countries over a long period to 1995. Letting Y be the rate of growth measured as a percentage and X be a measure of natural resource abundance, the following relationship between the two variables was estimated. Standard errors of b0 and b1 are...
2, It is known that the quantitative relationship between the dependent variable Y and the independent...
2, It is known that the quantitative relationship between the dependent variable Y and the independent variables X and 2 is: A. Make a Table and draw the graph of the relationship between Y and X when the numerical value of Z is: B. Make a Table and draw the graph of the relationship between Y and Z when the numerical value of X is: C. Make a Table of the value of the rate of change of Y with...
2, It is known that the quantitative relationship between the dependent variable Y and the independent...
2, It is known that the quantitative relationship between the dependent variable Y and the independent variables X and 2 is: A. Make a Table and draw the graph of the relationship between Y and X when the numerical value of Z is: B. Make a Table and draw the graph of the relationship between Y and Z when the numerical value of X is: C. Make a Table of the value of the rate of change of Y with...
48. When we look at the relationship between AGº and K and the data in Table 19.5, what information can be extracted from the data? Page 9 TABLE 19.5 Relationship between AG and K at 298 K AG", kJ/mol K +200 9.1 x 10 +100 30 X 10-19 17 x 10 +10 18 x 10-2 67 x 10 0 1.0 15 -10 56 x 10 5.8 x 10 -100 3.3 x 107 -200 1.1 X 10 -10 A) When AG®...
Relationship between Ecell and K The equilibrium constant for a cell reaction can be calculated from the standard cell voltage. The relationship between them is: RT nF where E standard cell potential R ideal gas constant Tkelvin temperature n number of moles of electrons for the reaction as written Fcharge carried by 1 mol of electrons Kequilibrium constant it is cusomary to use the equation in a form where numerical values are substituted for R., T and F at a...
QUESTION 1 Liquid /vapor saturation pressure P is sometimes represented as a function in logarithm as below log,o P It can also be converted by an equivalent function as following equation. Demonstrate the relationship for both functions and estimate I to X for each equation (a) 1 (F)--L x T (K), 11 (2 marks) )-32 Tcp): 1-3 (PO 1 /CO1/C3) kPa (5 marks) (PO 1/CO 1/C3) (I marks) (PO 1/CO1/C3) (1 marks) (PO 1/Co1/C3) (I marks) (PO 1/C01/C3)
k = 1.5
Have been asked to use MATLAB to plot
Question 2: Hanging Cable It can be shown that the curve y(x) of an inextensible flexible homogeneous cable hanging between two fixed points is obtained by solving the following equation: 22 / 1+1 =k, dr where the constant k depends on the weight. This curve is called a "catenary' ("chain' in Latin). Find and plot y(x), assuming a given value for k and those fixed points are (-1,0) and...
1. Why is it important to recharge the spheres before each measurement? 2. Consider the function y = xn (for n =-2). Take the natural logarithm of both sides and plot In(y) vs. In(x) on the graph below. Explain or show how to obtain "n" from the graph. (Hint: Can you fit the graph below to a straight line?) (use x-1, 2, 3, 4, 5, 6) In(x) In(y)
The relationship between two quantities x and y is examined, and the association is shown in the scatterplot below. Question 10 Not yet answered Marked out of 1.00 P Flag question 0.5 i 15 2 2.5 3 3.5 4 4.5 4 Could a regression line be reasonably used to describe this data? N Select one a. No b. Yes
2, It is known that the quantitative relationship between the dependent variable Y and the independent variables X and 2 is: A. Make a Table and draw the graph of the relationship between Y and X when the numerical value of Z is: B. Make a Table and draw the graph of the relationship between Y and Z when the numerical value of X is: C. Make a Table of the value of the rate of change of Y with...
2, It is known that the quantitative relationship between the dependent variable Y and the independent variables X and 2 is: A. Make a Table and draw the graph of the relationship between Y and X when the numerical value of Z is: B. Make a Table and draw the graph of the relationship between Y and Z when the numerical value of X is: C. Make a Table of the value of the rate of change of Y with...
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