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A 30.14g stainless steel ball bearing at 117.82 degrees C is places in a constant pressure calorimeter containining 120 mL of water at 18.44 degrees C. If the specific heat of the ball bearing is .474 J/g times degress C, calculate the final temperature of the water. Assume the calorimeter to have neglible heat capacity.
Now you find yourself on an airplane headed for Israel to visit the Dead Sea, which is below sea level. You have always wanted to visit there and now is your chance. What has happened to the atmospheric pressure?
if you burn 51.8 g of hydrogen and produce 463g of water, how much oxygen reacted?
Design a laboratory set-up that would enable you to separate a mixture of three hydrocarbons with different boiling points. Draw and label a diagram of your set-up
If the height of the mercury column in the leveling bulb is 30mm greater than that in the gas buret and the atmospheric pressure is 670 mm, what is the pressure on the gas trapped in the buret?
Consider the following reaction at equilibrium: 2CO2(g) 2CO(g) + O2(g) Change in H degree = -514kJ a) increase partial pressure of CO2 at equilibrium
What is the theoretical yield of bismuth when 346 g of Bi2O3 reacts with excess carbon as shown below?
How many grams of dry NH4Cl need to be added to 2.00 L of a 0.600 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.89?
Just transfer this solution completely to a flask of 1L volumetric and dilute to exactly 1 liter and then compute the Fe 2+ ion concentration.
A mechanic in an automotive repair shop is exposed to the following carbon monoxide levels over an 8 hour shift.
calculate the number of excess reagent units remaining when 188 PbS formula units and 279 O2 molecules react?
show the flow of electrons and predict which resonance structure is the major contributor
What is the limiting reactant when 4.5 moles of aluminum react with 6.7 moles of oxygen gas? Unbalanced equation: Al + O2 → Al2O3
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