The <span>first law of thermodynamics</span><span> is a version of the law of </span>conservation of energy<span>, adapted for </span>thermodynamic systems<span>.</span><span>The first law is often formulated by stating that the change in the </span>internal energy<span> of a </span>closed system<span> is equal to the amount of </span>heat<span> supplied to the system, minus the amount of </span>work<span> done by the system on its surroundings.Equivalently, </span>perpetual motion machines<span> of the first kind are impossible.</span>
Answer:Cognitive dissonance refers to a situation involving conflicting attitudes, beliefs or behaviors. ... For example, when people smoke (behavior) and they know that smoking causes cancer (cognition), they are in a state of cognitive dissonance.
Answer:
it is The total number of protons and neutrons is 15
Talc, apatite, calcite, quartz, diamond
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Answer:
The correct answer is
and ![Ba^{2+}](https://tex.z-dn.net/?f=Ba%5E%7B2%2B%7D)
Explanation:
A "spectator ion" is an ion that exists as a reagent and as a product in a chemical reaction. This ion has the particularity of not affecting the equilibrium.
In this case, the two components that do not see their charges modified on both sides of the reaction are
and ![Ba^{2+}](https://tex.z-dn.net/?f=Ba%5E%7B2%2B%7D)
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