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A scuba diver releases a balloon containing 155 L helium attached to a tray of artifacts at an underwater site. when the baloon reaches the surface it has expanded to a volume of 355 L. the pressure at the surface is 1.00 atm. what is the pressure at the under water site? Pressure increases at 1.0 atm for every 10 m depth; at what depth was the diver working. Assume the temp remains constant.
2NF3 (g) N2(g) + 3F2(g) when 2.06 mol of NF3 is placed in a 2.00-lcontainer and allowed to come to equalibriumk at 800k, the mixture is found to contain 0.0227 mol of N2. What is the value of Kp at this tempature
concentrated sulfuric acid used in the labortory is 95% by mass. calculate the mass of water in 100-g
the dissolution of 5.25g of a substance in 565g of benzene at 298k raises the boiling point by 0.6225 deg celsius. note
What is the expected Nernst responce, in mV, for each decade change in the gydrogen ion concentration for a glass electrode
What effect on the value of Ca(OH)2's Ksp (6.5x10^-6 ) would sucking up some suspended calcium hydroxide solid have. Would the Ksp value be higher or lower than the normal value. Why
Using data from thermodynamic quantities at 298.15K, calculate deltaG^degree for the following reactions. Indicate if each reaction is spontaneous at 298K under standard conditions.
Write a Lewis structure for each of the following molecules.
If 0.5110 g of H2C2O4 x 2H2O completely neutralized 41.39 mL of the stock NaOH soln what is the concentration of the NaOH solution?
Since ammonia is better proton acceptor than water, the ionization of acids is relatively enhanced in liquid ammonia. For example, acetic acid is a strong acid in liquid ammonia. part( a)Estimate [NH4+] (mol/L) in pure (i.e. neutral) liquid ammoni..
Sodium methoxide is a weaker base than butyllithium (the base commonly used in the Wittig reaction). Suggest a reason why a weaker base
a 75 ml solution of 0.030 m caoh2 is titrated with 0.035 m hcl. calculate the ph of the mixture after 60 ml of hcl have
Pinacol (2,3-dimethyl 2,3-butanediol) gives a mixture of pinacolone (3,3-dimethyl-2-butanone) and 2,3-dimethyl 1,3-butadiene by treating with acid.
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