Power is energy divided by time and it’s unit is watta(W)
Science, Economics, Statistics, Finance, and many other areas of life where we are measuring things to a certain level of accuracy.
1) Balanced chemical reaction
H2SO4 (aq) + 2NaOH(aq) ----> Na2SO4(aq) + 2 H2O(liq)
2) Molar ratios
1 mol H2SO4 : 2 mol NaOH : 1 mol Na2SO4
3) Number of moles of NaOH
M = n / V => n = M * V = 1.0 M * 0.018 liter = 0.018 mol
of NaOH.
4) Determine the number of moles of H2SO4 using proportionality
1 mol H2SO4 / 2 mol NaOH = x / 0.018 mol NaOH
Solve for x:
x = 0.018 mol NaOH * 1 mol H2SO4 / 2 mol NaOH =0.009 mol H2SO4
5) Calculate the molarity using 0.009 mol and 25 mililiters
M = n / V = 0.009 mol / 0.025 liter = 0.36 M
Answer: the concentration of the H2SO4 is 0.36 M
Answer:
The outer shell
Explanation:
I am not completely sure what you are looking for but an atom's valence electrons are the outer shell in a Bohr model.
Answer:
Since heat is released for
C
3
H
8
(
g
)
+
5
O
2
(
g
)
→
3
CO
2
(
g
)
+
4
H
2
O
(
g
)
+
2219.9
kJ
,
we say that
Δ
H
∘
C
=
−
2219.9 kJ/mol propane
. We approximate that this is the change in potential energy for the reactants going to the products.
https://www.khanacademy.org/
https://www.khanacademy.org/
The above is for an endothermic reaction.
A certain feature of combustion reactions suggests that you should draw the diagram DIFFERENTLY from what you see above. How should the energy of the products compare with that of the reactants for combustion reactions?
