Find the amount of energy per gram in various types of nuts

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SUMMARY

The discussion focuses on calculating the energy per gram in various types of nuts using calorimetry. The experiment involved burning cashews to heat water in an aluminum can, with specific measurements taken before and after the combustion. The key equation used is q = mcΔT, where 'm' represents the mass of water, 'c' is the specific heat capacity, and ΔT is the change in temperature. For accurate results, the masses of both the water and the aluminum can must be included in the calculations.

PREREQUISITES
  • Understanding of calorimetry principles
  • Familiarity with the equation q = mcΔT
  • Knowledge of specific heat capacities for water and aluminum
  • Basic skills in measuring mass and temperature
NEXT STEPS
  • Research the specific heat capacity of water and aluminum
  • Learn how to perform calorimetry experiments accurately
  • Explore methods for calculating energy content in food items
  • Investigate the impact of different nut types on energy calculations
USEFUL FOR

This discussion is beneficial for students in chemistry or physics, educators teaching calorimetry, and anyone interested in the energy content of food, particularly in the context of nutritional science.

RockenNS42
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Homework Statement



We lit the nuts on fire and used them to heat up the water which was in an aluminum can. We then recorded the temperate. How would I find the energy?

an example of the results would be
cashew
mass of nut before- 1.53g
temp of water before-23C
mass of nut after - .19g
temp of water after- 58C


Homework Equations


q=mc delta T


The Attempt at a Solution



Im really just not sure how to set up the eqaution. I know I use

mc delta T but I am not sure what to do with the mass
 
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You need to know the mass of water.
The Equation q = mcT is th energy needed to heat a mass of water 'm' through T kelvin

If you want bonus marks you also need the mass of the aluminium can and 'c' for aluminium.
 
As response to the last post, the mass of the wate was 100g and the mass of the can was 79.03
 

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