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The density of water at room temperature is 0.9970g cm^-3. How many lbs does the water in a full 5.00 gal weigh?
The sedimentation coefficient of a certain DNA in 1M NaCl at 20C was measured by boundary sedimentation at 24,630 rpm. The following data were recorded:
Octane has a density of 0.692 g/ml at 20 degrees celsius . How many grams of O2 are required to burn 16.0 gallons of C8H18 ?
What type of bonding is used between the Cu2+ cation and the SO42- anion, in CuSO4 (ionic, covalent...)? Write an equation for the process of solid CuSO4.xH2O dissolving in water.
If 12.5 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 28°C and 753 mm Hg?
Write the complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone
How many milliliters of O2 gas at 25 C and 1.00 atm pressure are obtained by the thermal decomposition of 0.470g of KMnO4? The balanced equation for the reaction is:
how many moles of hcl are required to react with 0.610 g of aloh3 in the above unbalanced reaction? use at least as
It is quickly degraded in the atmosphere though reaction with OH• and O3 to form non volatile species which then form particles. These latter ones are responsible for the haze.
a gas expands and does p-v work on the surroundings equal to 343 j. at the same time it absorbs 159 j of heat from the
what species( ions/molecules)are present at the halfway point in the titration tword the stoichometric point in a.
If 8.6 L of NO is combined with excess O2 at STP, what is the volume in liters of the NO2 produced?
What's a net zero molecular dipole moment. and explain specifically why does [IF2]- have a net zero molecular dipole moment
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