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A gas balloon has a volume of 106.0 liters when the temperture is 45 clesuis and the pressure is 740.0 mm of mercury. What will it's volume be at 20.0 clesuis and 780.0 mm of mercury pressure?
if a gas occupies a volume of 5 L at 546 K and 2.5 atm, what is its volume at standard pressure and temperature.
Given the following equilibrium constants at 427 °C: Na2O(s) 2Na(l) + 1/2 O2(g) Kc = 2 x 10-25 NaO(g) Na(l) + 1/2 O2(g) Kc = 2 x 10-5 Na2O2(s) 2Na(l) + O2(g) Kc = 5 x 10-29 NaO2(s)
If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 61.39 g/mol, how many grams of this compound must you burn to release 821.90 kJ of heat.
in the reaction between potassium carbonate and calcium nitrate balanced eq k2co3 cano32--gt k2no32 caco3 why wouldnt
the BF3 molecule acts as a Lewis acid, accepting an electron pair from the F- ion to form a coordinate covalent bond. 5) the BF3 molecule acts as a Lewis base, donating an electron pair to the F- ion to form a coordinate covalent bond.
a large plane wall has a thicness 2 m thermak conductivity 1.2 wm.c and surface area 15 m. the to side of the wall are
How many kilograms of a fertilizer made of pure P2O5 would be required to supply 1.86 kilogram of phosphorus to the soil
Infrared Spectroscopy Lab 1) Why must a sample for IR be dry. 2) How will the spectrum be affected if a background scan is omitted or improperly obtained. 3) The stretching from C-C single bonds is virtually invisible to IR . Why
Draw complete Lewis structure for following condensed structural formula. (CH3CH2)CO
the concentration of copper(II) sulfate in a brand of fertilizer is 0.07% by weight. If a 21.5 g sample of this fertilizer is dissolved in 2.0L solution, what is the molar concentration of Cu2+.
If antique brass is 30.0% zinc and 70.0% copper, how many grams of antique brass can be made from 18.0 grams of zinc and 35.1 grams of copper
What is the density (in grams per liter) of a gas mixture that contains 26.0 % F_2 and 74.0 % He by volume at 743 mm Hg and 28.5 C?
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