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Lab: Enthalpy.
What were the learning goals of this lab experiment? Check all that apply.
to use mass and temperature data to do computations involving heat
to demonstrate that different reactions have different enthalpies
to compute a reaction’s enthalpy directly using mass measurements and a calorimeter
to compute the enthalpy of a reaction that cannot be measured directly using a simple calorimeter
Hess
’s law allows you to find the net enthalpy of the magnesium combustion by adding the enthalpies of intermediate reactions.
To find the enthalpy of a reaction in the lab, you measured the
mass
of the reactants
and the
temperature
change during the reaction.
In both Reactions 1 and 2, the temperature change was
positive
, meaning that the
reactions
gave off
heat.

Sagot :

AmazingJasiahidn

Answer:

to use mass and temperature data to do computations involving heat

to compute a reaction’s enthalpy directly using mass measurements and a calorimeter

To find the enthalpy of a reaction in the lab, you measured the mass

of the reactants

and the

temperature

change during the reaction.

Explanation:

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