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ser-zykov [4K]
3 years ago
8

Calculate the standard enthalpy of formation of ammonium carbonate in Kcal/mol?

Chemistry
1 answer:
Nina [5.8K]3 years ago
6 0

Answer:

gymbct yet ff y hcyxuci jc bbn ruf it ux7zhchchx xyzycyxhc8

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An electron moved from a lower energy level to a higher energy level. What most likely happened during the transition?
nekit [7.7K]

Answer:

Amount of energy was released

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Because when energy is release from the shell it makes the electron lose and than go to higher level of energy form

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3 years ago
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What mass of NaOH is in 3.0e+02 mL of a 5.0 M NaOH solution?
Snezhnost [94]
Answer is: mass of sodium hydroxide is 60 grams.
V(NaOH) = 300 mL · 1 L/1000mL = 0,3 L.
c(NaOH) = 5 M = 5 mol/L.
n(NaOH) = c(NaOH) · V(NaOH).
n(NaOH) = 5 mol/L · 0,3 L.
n(NaOH) = 1,5 mol.
m(NaOH) = n(NaOH) · M(NaOH).
m(NaOH) = 1,5 mol · 40 g/mol.
m(NaOH) = 60 g.
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3 years ago
If the enthalpy value for a reaction is negative, what does that indicate about the reaction?
likoan [24]
This indicates that the reaction is exothermic meaning that it releases heat/energy
7 0
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siniylev [52]
Carbon

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