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If a 10B nucleus absorbs a proton, the radioactive nuclide that is produced may undergo alpha decay. What nuclide is produced in the decay process? Write the balanced radiochemical equations for both (proton absorbtion and alpha decay) processes.
A 2.00-g sample of a large biomolecule was dissolved in 19.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
If the titrant has a molarity of 0.2750 M and there are 40.00 mL of analyte present, what is the molarity of the analyte?
Since cereal sample may have other materials other than Fe that absorbs light. Using cereal sample as the blank can eliminate these absorption so that the transmittance was solely due to Fe.
If doing by hand, please write dark onpaper before scanning. Balance and do total net ionic equations
How much limestone in kg is need to completely neutralize a lake containing -- of H2 per liter? 5.0 * 10-3g SO4 5.2 * 10^9-L.
The density of an unknown gas is 4.00 grams per liter at 4.00 atmospheres pressure and 127 degrees C. What is the molecular weight of the gas?
Is the amount of sodium bicrbonate sufficient to react with benzoic acid. The amount of Benzoic Acid in ex. 1 is 0.060 Grams
When a 2.3L sample of hydrogen gas at 25oC is heated to 120oC at constant pressure, what is the new volume of the gas?
Determine the pH of a solution containing A) neglecting activities. B) including activities The solution contains BOTH chemicals
Check all that apply Water is important to life because: - it does not dissolve certain substances - it causes brownian motion - it is colorless and odorless
Calculate the number of grams of AlCl3 and the number of grams of H2O formed when 0.500 g of Al(OH)3 reacts.
approximately how many grams of NH4Cl will dissolve in 100g of H2O at 70 C?
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