The characteristics of a chemical reaction are:
The lower energy of reactants → Transition state → High energy of products.
<h3 /><h3>What is a chemical reaction?</h3>
A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.
The characteristics of a chemical reaction are :
Lower energy of reactants
↓
Transition state
↓
High energy of products
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Answer:
Al+3
Explanation:
Ion is a positively or negatively charged species. A neutral species does not carry any charge.
here only Al has +3 charge. So it is an ion.
Answer:
C) Reactants absorb a minimum amount of energy and then release a smaller
amount of energy as products form.
Explanation:
The statement that best describes how to read a reaction pathway from the graph of an endothermic reaction is that, reactants absorb a minimum amount of energy and then release a smaller amount of energy as products form.
In an endothermic change, heat is absorbed from the surrounding.
- As such, the surrounding becomes colder at the end of the reaction.
- On a graph of an endothermic reaction, the reactants absorbs a minimum energy.
- As the reaction proceeds, the products gives off an even lesser amount of energy.
Answer:
Explanation:
Na2CO3+Ca(NO3)2=CaCO3+2NaNO3
nNa2CO3=0.02
nCa(NO3)2=0.02
mCaCO3=0.02*100=2 gram
nNaNo3=0.04
Cm=2/15
Answer:
D
Explanation:
D Is The Answer Fella, My Head Hurt Really Bad
