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Use Hess' Law to show how the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide react
Find the Amplitude, period, and the phase shift of each function
For the reaction A + B-----> C, the rate law is rate=k[A]. If the initial concentration of A = 2.5 mol/L, the initial [B] = 1.4 mol/L, and the rate = 0.29 moles of product per liter per minute (M
Joe meets and marries Julie, whose uncle on her mothers side had a tail removed at the age of 2. Julie is now pregnant with their first child. Assign genotypes.
The diameter of each wheel of a bicycle is 26in. If you are traveling at 35mph on this bicycle, through how many revolutions per minute are the wheels turning?
If a woman with achondroplasia marries a man of normal height, what proportion of their offspring is expected have achondroplasia?
How do the units mol/L and ppm compare? You will be given a 100.5 ppm iron stock solution (the iron is ferrous ammonium sulfate hexahydrate, (NH4)2Fe(SO4)2 x 6H2O. Report its molecualr weight in g/m
The eccentricity e of an ellipse is defined as the number c/a, where a and c are the numbers in the defining equation. Because a>c ,it follows that c<1. Describe the shape of an ellipse where
Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 x 10-2 hr -1. If the initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22
The amplitude of a given sine function, f(X) = asinx+d, is 6. if the maximum value of f is 8 which is the minimum value of f? What is the general restriction for 1/(2+csc(x))?
Find the equations of two bisectors of the angles formed by the lines 2x+y+5=0 and x-2y-3=0.
A solution is 0.10 M NH4Cl. What is the pH of this solution?
Find exact value of expression. show work. please show easy way.
If the player's ball weighed 40g, and theopponent's ball weighed 45g, how far apart were the centres of the two tunnels?
What is the difference between a linear function and a quadratic equation?
How many years are required for a "chunk" of thermally insulated granite to increase in temperature by 400°C.The specific heat capacity of granite is 800J/Kg°C.
Find functions f and g so that h(x)= (f*g)(x) h(x)=1/ x^2-8
Complex conjugate roots: Suppose that the equation ax^2+bx+c=0 has real coefficients and the complex roots. Why must the roots be complex conjugates of each other?
A buffer contains 0.40M base, B, and 0.25M of its conjugate acid, BH+, and has a pH = 8.88. What is the pH after 0.0020mol of HCl is added to 0.25L of this solution? (assume HCl adds no volume to th
Find the lengths of both circular arcs of the unit circle connecting the point (1,0) and the endpoint of the radius that makes an angle of 3.90 radians with the positive horizontal axis.
Each function graphed is of the form y=a sin bx or y=a cos bx, where b greater than 0. Determine the equation of the graph.
The leaf then floats down the river at 3ms-1 FOR 20 seconds until it gets caught on a rock. How far and in what direction from the base of the tree is the rock?
Prove the sine, cosine, and tangent sum formulas for all real values, and derive special applications of the sum formulas (i.e half angle, double angle).
Devise a reaction scheme to make ethanol from propanoic acid. Several steps may be required. For each reaction include any reagents/catalysts and reaction conditions.
Write a reaction mechanism to show how propanoyl chloride is converted to propanamide using ammonia. Show how the diazonium ion in i) can couple with phenol to form the azo compound.