Answer: 104 KJ mol
Each NH3 has 3 N-H bonds
Explanation:
Enthalpy change(DHo)= sum t enthalpy of products - sum of enthalpy of Reactants
DHo= 2x3 dHo (N-H) - {dHo(N2)+3dHo(H-H)}
= 6(391)-(945+3(432))
=2346-(945+1296)
=2346-2241
DHo= 105 KJ/mole
Answer:
pOH = 8.9
Explanation:
pOH+pH = 14
pH= 14- pOH
pOH = 8.9, pH=14-8.9 = 5.1
pOH = 5.5, pH=14-5.5 = 8.5
Than less pH , than more H+ ion concentration.
pH=5.1 <pH=8.5
pH=5.1 is more acidic solution
pH=5.1 or pOH=8.9 has a higher H+ concentration.
Chlorophyll: green
Anthocyanins: red
Carotene: orange.
Sorry I couldn’t find the 4th one
Answer:
An atomic nucleus is positively charged because it is composed of protons.
Explanation:
hope this helps you:)
The States of Matter are classified into solid, liquid, and gas. Among these physical states, if we are going to refer to the water molecules, the one that would possess the greatest energy is gas. If you would take the energy of gas, this would become liquid. The answer is option C.
