Answer:
A. Experiment help explain scientific theories
Answer:
The temperature of the reaction mixture increases.
Explanation:
One very good indicator that a chemical reaction has taken place is that there is a temperature change about the reaction.
Either an emission of heat involving the reaction milieu becoming hotter or an absorption of heat making the environment colder.
- Enthalpy changes of reactions are good parameters to measure whether or not a reaction has taken place.
- There is no color change, and mass is always conserved for most reaction, so we cannot use these tools for assessing whether a reaction has occurred or not.
Answer:
an organ system Is a group of organs that work together to perform a com
Explanation:
that is the answer organ system
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Which element has the greatest number of valence electrons available for bonding? Chlorine
Your answer should be “C.”
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