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A gas bottle contains 0.650 mol of gas at 730 mm Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle?
calculate how many mgs of Ca2+ are present in 12.0mL of blood and Determine the percent yield 5.04 grams of H2
Does ammonium chloride added to water produce a simple solution, does the ammounium chloride dissociate or does a chemical reaction occur resulting in a new set of compounds.
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
A sediment sample of clay was equilibrated with ammonium ion (NH4+). The ammonium ion was then displaced with Na+. The total amount of ammonium that had been adsorbed.
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
If 28mL of 7.0M Sulphuric acid(H2SO4) was spilled, then determine what is the minimum mass of NaHCO3 (Sodium bicarbonate or sodium hydrogen carbonate)
Our quality control department is being moved to a different location and will not be able to handle any projects for a few weeks.
A 2.0 L tank at 298 K contains oxygen gas with a partial pressure of 3.8 atm and helium gas with a partial pressure of 5.2 atm.
Determine the average atomic mass of boron is the natural abundance of 10B weighing exactly 10.0129 amu is 80.1% and the natural abundance of 11B weighing exactly 11.0093 amu is 19.9%.
Calculate the specific heat capacity of a sample liquid if this 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid's temperature from 50 degree Celsius to 70 degree Celsius?
Find the volume of a molar solution and What volume of a 2.00 molar solution of sulfuric acid, H 2 SO 4 , is required to react with 250.0g of magnesium carbonate, MgCO 3 , according to the following equation?
Why do some scientists have concerns have regarding further increases in bio fuel production. giving chemical reasons explain why is is expensive to manufacture ethanol from cellulose.
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