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A 5.00 L volume of methane gas is cooled from 300 K to 150 K. If the pressure remains constant, what is the final volume?
15 g of steam at 373 K is added to 250g of H2O (l) at 298 K at constant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate ?S for the process.
you have 259 mL of a 1.25 M potassium chloride solution, but you need to make a 0.50 M potassium chloride solution. how many milliliters of water must you add to the original 1.25 M solution to make the 0.50 M potassium chloride solution
how much heat energy is required to raise the temperature of 0.365 of copper from 23.0 to 60.0 ? the specific heat of
an average concentration of dissolved gold of 5.8*10^?9 g/L. (a) How many grams of gold are in the ocean? (b) How many m^3 of gold are in the ocean?
Arrange the following in order of increasing basicity: a) ch3nh2, ch3nh3+, ch3nh- b) ch2o-, ch3nh-, ch3ch2- c) ch2ch(triple-bond)ch-, ch3ch2ch2-, ch3c(trip-bond)c-
determine what is deltabr- deltat if deltabro3- deltat 0.018 ms express your answer in ms? the rate of change bro3-
The 1,3-diaxial interaction energy between H and a lone pair is negligible (~ 0 kcal/mol). What is the 1,3-diaxial interaction (in kcal/mol) between a CH3 and a p orbital
Determine how many moles of the ANION are present in this resulting solution If 4 moles of the ionic compound get dissolved in this reaction?
what is the maximum pressure that will be attained in the tank before the plug will melt and release gas?
The electron microscope has been widely used to obtain highly magnified images of biological and other types of materials
what is the minimum amount of 6.0 M H2SO4 necessary to produce 25.0 g of H2 according to the reaction between aluminum and sulfirc acid 2Al + 3H2SO4 ---> Al(SO4)3 + 3H2
Calculate the boiling point of a solution of 500.0 g of ethylene glycol (C2H6O2) dissolved in 500.0 g of water. Kf = 1.86°C/m and Kb = 0.512°C/m. Use 100°C as the boiling point of water.
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