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A) Over what interval(s) of t is the parametric curve defined by x=1+t2 y=t-t3 concave downward?
B) Given the parametric equations lnx= t and y= e5t+1.
1) Eliminate the parameter to determine a Cartesian equation for the curve in y= f(x) form.
2) given the parametric equations and any restrictions on the parameter t, identify the bounds for the values of x and y. State the range of values using interval notation.
What concentration of naphthalene in grams per liter would be needed to give an absorbance of 1.0 at 220nm
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What is the volume occupied by 0.265 mol of helium gas at a pressure of 1.32 atm and a temperature of 302 K.
A solid Silver Group (Anion) unknowon that contains only sodium ion as a catio is acidified and divided into tow portions, to both of which 6 M HC2H3O2
Suppose that a fully charged lead-acid battery contains 1.50L of 5.00M H2SO4. What will be the concentration of H2SO4 in the battery after 3.40A of current is drawn from the battery for 4.50 hours?
High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pressures used in this procedure range from around 500 kilopascals (500,000) to about 60,000 (60,000,000)
one heating 5.03 g of hydrate barium chloride, 4.23 g is left behind. what is the name of this hydrate?
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Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of each of the following aqueous solutions.
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 reacting with hydronium ion.
What is the freezing point of a solution of 5.00 g of benzophenone (C13H10O) in 100 mL of benzene (benzene density = .887 b/mL). Pure benzene has a melting point of 5.50 C and the Kf of benzene is 5.12 C/m
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