Answer:
The energy in matter is invisible
Whether in which form it Is,it can be transmitted from one object to another.
Explanation:
thnx :)
Use this formula mass = moles x molar mass.
It should help.
Answer: CrO₄⁻ and Ba²⁺
Explanation:
1) Chemical equation given:
2H⁺ + CrO₄⁻ + Ba²⁺ + 2OH⁻ → Ba²⁺ + CrO₄⁻ + 2H₂O
2) Analysis
That is an oxidation-reduction equation (some species are been oxidized and others are being reduced).
The given equation is known as total ionic equation, because it shows all the species as ions that are part of the reaction.
2) Specator ions
Spectator ions are the ions that do not change their oxidation state and are easily identified as they are the same in the reactant and product sides.
Here the ions that are the same in the reactant and product sides are:
CrO₄⁻ and Ba²⁺
3) Addtitional explanation.
Once you identify the spectator ions you can delete them from the equation to obtain the net ionic equation , which in this case turns to be:
2H⁺ + 2OH⁻ → 2H₂O
But this is not part of the question; it is some context to help you understand the use of the spectator ions concept.
Answer:
A. Each Chlorine atom shares a pair of electrons with the sulfur atom.
Explanation:
it's losing and gaining electrons because of the octet rule! sulfur contains 6 valence electrons and two chlorine atoms, so then to gain and lose chlorine has to share with sulfur!
im bad at explaining but i took the test so ;) its right
