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In an endothermic reaction, in going from the reactants to the products at the same temperature, the value of q is negative.
A 5% solution by weight of an unknown non-electrolyte in water has a density of 1.018 g/mL if this solution exhibits an osmotic pressure of 3.57 ATM at 25C what is the MM of the unknown
Write equations to show how you would synthesize salicylic acid
The fat, tripalmitin, when hydrolyzed with aqueous NaOH followed by acidification with HCl yields glycerol and palmitic acid.
When the sodium atom becomes a sodium ion, how does the size and electron configuration of the sodium atom change?
what is the molarity of HCl in a solution prepaired by dissolving 18.25 gm HCl in 200 gm ethanol, if the density of solution is 0.86 gm per mm
What volume of hydrochloric acid solution of 0.25 M must be diluted to prepare 1.00 L of 0.040 M HCl and calculate Keq at this temperature for the given reaction 2 NOCl (g) W 2 NO (g) + Cl 2 (g) ( reaction is at equilibrium):
explain how to determine the instantaneous rate of formation of i3- at exactly 20 minutes. draw on the graph above as part of your. explanation.
Suppose that 4387.0 J of heat energy is added to 8 g of ice initially at -11 C. (This could be done, for example, by electrical heating of ice in an insulated container.) What is the final temperature of the water
If the pressure exerted by ozone in the stratosphere is 3 x 10^-3 and the temperature is 247 , how many ozone molecules are in a liter?
A lead fishing weight with a mass of 68 g absorbs 146 cal of heat. If its initial temperature is 56°C, what is its final temperature.
What functional groups can you identify within the coumpounds; dioxin, Furan, Hexachlorobenzene, what structural features
What is the velocity (m/s) of a doubly protonated ion with a m/z ration of 324.9, which has been accelerated to a kinetic energy of 0.75 MeV?
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