You took a can of soda out of the refrigerator. After holding the can for a minute, how does your hand feel? Explain what happened to cause this. Be sure to identify the method of transfer and the direction of heat flow.  HELP I HAVE MY FINAL

Heat flows from your hand to the can of soda. This is conduction of heat.

Heat is a form a energy that occurs as a result of temperature difference between bodies. Heat flows from one body to another in response to a temperature gradient between the two bodies.

When you bring a soda out of the refrigerator, heat flows from your hand to the can of soda. As heat is withdrawn from your hand, your hand feel cool. This is an example of heat transfer by conduction.

Learn more about heat transfer: link

1. for the first question, we must find the mass of the anhydrous salt, mgso₄. the molar mass for mgso₄·7h₂o is 246.47 g/mol, while that of mgso₄ is 120.37 g/mol.7.834 g mgso₄·7h₂o * 1 mol mgso₄·7h₂o/246.47 g * 1 mol mgso₄/1 mol mgso₄·7h₂o * 20.37 g mgso₄/mol = 0.647 g mgso₄

2. mass of water = mass of sample - mass of anhydrous salemass of water = 7.834 - 0.647 = 7.19 gpercent water in hydrate = 7.19/7.834 * 100 = 91.74%

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