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When an acid chloride or acid anhydride is used to prepare an amide two equivalents of amide are required. Write reactions that can explain this.
If the amine is valuable then slightly more than 1equivalent of a 3 degree (tertiary) amine, such as triethylamine orpyridine is added.
A saturated solution contains 10.8 g KCl in 30.0mL of water at 25degrees C. What is the solubility in g solute/(100 gH2O)? Calculate the mole fraction of solute at this temperature.
Find the dimensions of the window that admits the greatest amount of light (round to one decimal place) The funtion is A(x)=x(pie(x)+x-30) + 1/2pie(1/2x)2.
A model rocket is launched with an initial upward velocity of 151ft/s . The rocket's height (in feet) after t seconds is given by the following.
The diameter of the base of the cone is approximately three times the altitude. At what rate is the height of the pile changing when the pile is 15 feet high?
The elements X, Y, and Z form these compounds:XCl4, XZ2, and YO. What formula would you predict for the compound formed between Y and Z? Assume normal oxidation states for chlorine and oxygen.
Suppose that the number of bacteria in a container triples every 2 minutes, according to the law of uninhibited growth, and after 10 minutes the container is full. How long does it take to fill a th
Select the commonly used food items. Include grains,vegetables, and fruits. Compare the prices of conventionally grown and organically grown crops for these food items.
Find the profit function P(x) that models the total profit made each week from selling wreaths at price x E.) determine the price at which the community group's weekly profit will be maximized. What
How much heat does your body lose when 2.95 g of sweat evaporatesfrom your skin at 25oC? (Assume that the sweat is onlywater).
List the possible factors for h(x) = 4x^4-5x^3+2x^2-x+5. Determine the equations of the asymptotes: g(x) = 2x^2+1/x+3
The Vapor pressureof a solution containing 36 g of calcium phosphate in 45 g ethanol was calculated to 18000 Pascals at 40 °C. Calculate the vapor pressure of pure ethanol at40°C. If the rea
Linear, Trigonal Planar, Angular, Tetrahedral, Trigonal Pyramidal,which molecular geometry are polar and which are non polar. Alsowhat is the easiest way to determine the polarity of a molecule.
Given f(x)= x^4-4x^3-x^2+14x+10. Find the possible zeros in the polynnomia function roots. (b) Identify the actual real root using the synthetic division rule.
Find a simple formula for the area of an oblique SAS triangle (a triangle that is not a right triangle for which you know the lengths of two sides and the measure of their included angle)?
A 2.14-L sample of hydrogen chloride(HCl) gas at 2.61 atm and 301Kis completely dissolved in 668mL of water to form hydrochloric acidsolution. Calculate the molarity of the acid solution. Assume no
A solid uniform sphere and a uniform spherical shell, both having the same mass and radius, roll without slipping down a hill that rises at an angle (theda) above the horizontal. Both spheres start
Complete the following. (a) List all the possible rational roots. (b) Indentify one actual root using synthetic division.. (c) Use the root is part b to solve the equation.
A uniform board 12 ft long weighs 10 lbs. Two feet from the left end is centered a 3lbs structure. How far from the left end is the balance point i.e. the point at which if you applied 13 lbs upward
At Lizzie's Waffle House the profit, in dollars, is a function of the number, x, of waffles sold in a day with. How many waffles need to be served to make the maximum profit?
A concentration of 8.00 x 102 ppm by volume of COis considered lethal to humans. Calculate the minimum mass of CO ingrams that would become a lethal concentration in a closed room17.6 m long,
What is the magnitude and direction of the force , F that will keep this object in equilibrum? 45n 30 degres right then 45 degres down and f points two the left what is F.