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Compare 5 of the most common sexually transmitted diseases (STDs). Include causative agent, signs and symptoms and treatment.
The equilibrium constant for the reaction N2(g) + 3H2(g) = 2NH3(g) is Kp=4.34x10^-3 at 300*C. Pure NH3 is placed in a 1.00 L flask and allowed to reach equilibrium at this tempurature. What is the mass of N2 in the equilibrium mixture
A .499 mol sample of graphite was heated with 2.16 mol oxygen gas to form carbon dioxide. Graphite is the limiting reagent in this reaction. Calculate the total moles of gas present after the reaction?
Cyanide ions are oxidized by the permanganate ions in basic solution according to unbalanced equation: CN- + MnO4- → MnO42- + CNO-
Outline a mechanism for the phtolysis of methyl butyrate assuming the reaction follows a patter similar to 2-pentanone.
what proportion of the electromagnetic spectrum does the radiation fall
Suppose that an 90.0 g laboratory animal ingested 10.0 mg of a substance that contained 2.55% by mass Pu-239, an alpha emitter with a half-life of 24,110 years. a) What is the animal's initial radiation exposure in Curies?
A rock with a mass of 729 g in air is found to have an apparentmassof 468 g when submerged in water (density is 1.000g/cm3). fl7:at mass of water is displaced?
Compute the work associated with the irreversible adiabatic expansion of the sample of gas described in part a) against a constant atmospheric pressure of 760Torr.
A weak acid HA (pKa=5.00) was titrated with 1.00M KOH. The acid solution has a volume of 100.00mL and a molarity of 0.100M. Find the pH at the following volumes of base added and make a graph of the pH versus Vb:Vb= 0, 1, 5, 9, 9.9, 10, 10.1, and ..
How many milliliters of a 0.40% (w/v) solution of nalorphine must be injected to obtain a dose of 1.5mg
How does this affect the physical properties of the oils?
Say, for example, that you had prepared a Buffer, in which you mixed 8.203 g of sodium acetate, NaC2H3O2, with 100 ml of 1.O M acetic acid. What would be the initial pH of Buffer C.
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