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What is the total number of carbon dioxide formed by the complete combustion of 28.0 liters of c2h6
determine the partial pressure of oxygen gas required to create an quepis solution with a concentration of 5.6x10^-3 M O2 at 25C. The henry’s law constant for oxygen gas at this temperature is 1.3x10^-3M/atm
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A balloon contains 0.7475 mol of helium (He) gas. Calculate the mass of helium in grams.
What element has 5 vacancy electrons
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Using this data, determine the number of hydrates.
hydrated copper (II) sulfate: 8.238 g
anhydrous copper sulfate: 3.005 g
- Esters are often used in perfumes. Analysis of a compound containing the ester functional group only, gives a percentage composition by mass of C: 62.0% and H: 10.4%, the remainder is oxygen.
- Determine the empirical formula of the ester
In the reaction between aluminum and flourine, 30.0 grams of the product is experimentally
obtained when 0.45 mole of aluminum is used. Assuming that aluminum is the limiting
reactant, calculate the percentage yield of the reaction.
Balanced Equation: 2Al + 3F2 → 2AlF3
Write the structures for the following organic molecules:
2-ethyl-2-pentene
