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chem > practical energetics FAQs > Flashcards

practical energetics FAQs Flashcards

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1
Q

how to improve experimental error of styrofoam cup absorbing heat

A

calibrate the cup to find the heat capacity of the cup

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2
Q

how to improve inaccuracy of temperature measurements

A

use 0.2°C calibrated thermometer or use data logger with temperature sensor

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3
Q

how to prevent heat loss to the surroundings

A
  • provide lagging on the body of the cup
  • use a lid to cover the cup
  • use double styrofoam cups to increase insulation
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4
Q

how to calculate inital temperature of two solutions if they are not the same

A

T inital = (VaTa + VbTb)/(Va + Vb)

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5
Q
A
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chem (13 decks)

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