Mass of Mg(s) 0.31 g
Initial temperature of calorimeter23.6
contents
°C
Final temperature of calorimeter 36.8
contents
°C
Volume of calorimeter
100mL
Use the calorimeter data for the combustion of magnesium
to determine the molar enthalpy of reaction (in kJ/mol) for
magnesium. Input your 3 digit answer with no spaces or
commas. Record this value for use in subsequent
questions.

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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