Air is about 78.0% nitrogen molecules and 21.0% oxygen molecules. several other gases make up the remaining 1% of air molecules.
part a
what is the partial pressure of nitrogen in air at atmospheric pressure (1 atm)? assume ideal behavior.
express your answer numerically in atmospheres.

the population of unionid mussels in the hudson river decreased after zebra mussels were introduced. zebra mussels, a nonnative species, competed with the unionid mussels for food. the zebra mussels were able to outcompete the unionid mussels, allowing the zebra mussel population to increase dramatically over six years. the unionid mussel population decreased due to a lack of food.

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