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A sample of oxygen , at 24 c occupy a vol of 4.14*10(2) milliliters(ml)at 1.53 atm pressure. What pressure must be applied to compress. the gas to a volume of 1.377*10(2) ml , with no temperature change?
At a fixed temperature and pressure, how does the value of the heat of sublimation of a substance compare with that of its heat of deposition?
Predict the immediate effect of the following changes on the observed cell voltage E.Increased E,Decreased E,No change E.
the pH of a saturated solution of a metal hydroxide MOH is 9.30. calculate the Ksp for the compound
Consider the reaction: Mg(s)+Fe2+(aq) -> Mg2+(aq)+Fe(s) at 63 degrees celsius, where [Fe2+] = 3.50M and [Mg2+] = 0.310M. The reaction quotient, Q, for the cell is 8.86x10^-2. The temperature, T, in kelvins is 336K.
Find the theoretical, percent yield and percent error of the reaction - Calculate the percent error of this reaction.
An aqueous solution is 22.0% by mass ethanol, CH3CH2OH, and has a density of 0.966 g/mL. what is molality of ethanol
The value of ?Ho for the reaction below is -126 kJ. The amount of heat that is released by the reaction of 25.0 g of Na2O2 with water is ________kJ. 2Na2O2 (s) + 2 H2O (l) -> 4NaOH + O2 (g)
what is this equation and why is it central to the global warming theory: SO2(g) + H2O(l) H2SO3
Write a Lewis structure for each of the following molecules.
Important information about balanced chemical equation, 1. If 1 mole of Al4C3 has a mass of 144g and carbon has a mass of 12g, what is the atomic mass of aluminum?
Draw a Lewis structure for one important resonance form of HNO3(HONO2). Include all one pair electrons.
Name 4 properties of a compound that is directly influenced by the polarity of the compond. And state the 2 most important factors that affect the
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