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vredina [299]
1 year ago
10

which best explains why greg’s hands get warm as he holds a bowl of hot soup? heat energy is created from the thermal energy in

greg’s hands. heat energy is absorbed by the soup from greg’s hands. thermal energy from the soup moves to greg’s hands. thermal energy from the surrounding air moves to greg’s hands.
Chemistry
2 answers:
katovenus [111]1 year ago
5 0

Answer: the statement that <em>best explains why Greg's hands get warm as he holds a bowl of hot soup</em> is that the <em>thermal energy from the soup moves to Greg's hands</em>.


Explanation:


<em>Thermal energy</em> is the kinetic energy that the particles (atoms, molecules or ions) of a substance posses.


When hot substance (the<em> bowl of hot soup</em> that Greg holds) gets in contact with a cool substance (<em>Greg's hands</em>) part of the kinetic energy of the particles in the hotter substance is spontaneoulsy transferred to the cooler substance. This transferred energy is called heat energy.


There are three different mechanisms through which the heat energy transference is explained: conduction, convection and radiation, which are not necessary to explain here.


You just need to know that the <em>hot soup </em>transfers part of its <em>thermal energy</em> to the <em>bowl</em> walls, with which the soup is in direct contact, and the (now) hot  bowl transfers part of its thermal energy <em>to Greg's hands</em>, which now get warm.

Lady_Fox [76]1 year ago
3 0
Thermal energy from the soup moves to gregs hands 
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2.76 × 10⁻¹¹  

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\begin{array}{rcl}-65 300 & = & -8.314 \times 298.15 \ln K \\65300& = & 2479 \ln K\\26.34 & = & \ln K\\K& = & e^{26.34}\\&= & \mathbf{2.76 \times 10}^{\mathbf{11}}\\\end{array}

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Explanation:

Based on the reaction:

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To solve the problem we must convert the mass of each reactant in order to find limiting reactant as follows:

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As there are 0.26 moles CuCl₂,

<h3>CuCl₂ is the excessive reactant and NaNO₃ the limiting reactant</h3><h3 />

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<em>Mass NaCl -Molar mass: 58.44g/mol-:</em>

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