I believe the correct answer is C) convection and gravity.
Answer:
proton-6
electron-6
neutron-7
Explanation:
it seems like you are taking about carbon 13 here
I believe that your option C would be the correct answer. We know that water can turn to a solid materail because during cold temperatures, water turns to ice.
We know that water can turn to gas, as water can evaporate.
And also, we know that water is obviosly a liquid.
Therefore, Option C would be your answer.
The chemical formula of chromium (II) nitrate is as shown below.
Cr₂NO₃
The number in the subscript of the chemical formula of the given element signifies the number of atom or ions of the given element. In this regard, based on the chemical formula written for chromium (II) nitrate, the number of chromium ions would have to be 2.
<em>Answer: 2</em>
Answer:
d = endothermic
Explanation:
Chemical equation:
2CO₂ → 2CO + O₂
When carbon dioxide form carbon monoxide and oxygen the ΔH is +570KJ.
When enthalpy of reaction is positive and ΔH is greater than zero it means heat is given to the reaction.
It is called endothermic reaction.
In this case enthalpy of product is higher than enthalpy of reactant
When enthalpy of reaction is negative and ΔH is less than zero it means heat is released during the reaction.
It is called exothermic reaction.
In this case enthalpy of product is lower than enthalpy of reactant.