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A 5.00 L balloon is partially filled with He at the foot of Mt. Everest where the ambient pressure is 0.95 atm and 24ºC. The balloon is going to be taken to the top of the mountain where the air pressure is 0.64 atm and temperature is -10ºC. To what volume should the balloon be filled at the base of the mountain so that it is fully inflated at the top?
Based on your observations, what might have happened if you had not followed these instructions? Might this also have affected your percent yield? Explain.
A second 25.00-mL aliquot was then treated with an excess of BaCl2 and 25.00 mL of the base; precipitation of all the carbonate resulted, and 7.63 mL of the HCl was required to titrate the excess base. Calculate the composition of the mixture.
If the solution has the same density and specific heat as water, what is ?H for this reaction (per mole of H2O produced)? Assume that the total volume is the sum of the individual volumes. Find kJ/mol of H20
A gas sample has an original volume of 680 ml when collected at 720 mm and 28°C. What will be the volume of the gas sample if the pressure increases to 820 mm and the temperature increases to 55°C
Why do humans sweat and dogs pant? Explain the purpose and the reason it is effective. Why is water consiered the universal solvent
What is the de Broglie wavelength (in nm) associated with a 2.50-g Ping Pong ball traveling 35mph?
Instant cold packs used to treat athletic injuries contain solid NH4NO3 and a pouch of water. When the pack is squeezed, the pouch breaks and the solid dissolves
solution of H3PO4 and you want to completely react it with KOH. How many ml of a .462 M KOH solution do you need to accomplish this? How many grams of the two products do you produce?
How many grams of Mg2SO4 is required to make up 100mL of 20g/L Mg2SO4 solution in water?
how many grams of CaCl 2 would be required to produce a 3.5 M(molar) solution with a volume of 2.0 L?
solution from a rebuilt auto baattery. How many milliliters of 1.4M NaHCO3 must be poured on the spill to react completely with the sulfuric acid?
What is the equilibrium vapor pressure of water for a solution containing 56.0 g H2O and 44.0 g of ethylene
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