Given data:
Volume of HCl = 14.22 ml
Molarity of HCl = 2.97 M
mmoles of HCl = 14.22 * 2.97 = 42.2 mmoles
Volume of NaOH = 5.00 ml
Molarity of NaOH = 0.1055 M
mmoles of NaOH = 5.00 *.1055 = 0.5275 mmoles
Since HCl and NaOH combine in a 1:1 ratio
# moles of NaOH = # moles of excess HCl that is neutralized = 0.5275 moles
Now, the total moles of HCl taken = # mmoles HCl neutralized by antacid + # mmoles of excess HCl
42.2 = mmoles HCl neutralized by antacid + 0.5275
Therefore,
mmoles of HCl neutralized by antacid = 42.2 - 0.5275 = 41.6725 mmoles = 41.7 mmoles
False
(Increasing the pressure shift equilibrium to the right).
Answer:
T(final) = 52°C
Explanation:
1st, you need to correct your heat flow formula => q = mcΔT.
m = 22.5g
c = 0.45 j/g·°C
ΔT = T(final) - T(initial) = T(final) - 20°C
q = (22.5g)(0.45j/g·°C)((final) - 20°C) = 324j
=> T(final) = [324j/(22.5g)(0.45j/g·°C)] + 20°C = 52°C
Answer:
Orgánulo en forma de filamento que se halla en el interior del núcleo de una célula eucariota y que contiene el material genético; el número de cromosomas es constante para las células de una misma especie.
Explanation:
espero y ti sirva ;D
The answer is
option D "electron-cloud model." A electron-cloud model includes: includes positive charge, contains electrons, explains the photoelectric effect, suggests the probable location of electrons. It was also invented by Erwin Schrödinger.
Hope this helps!
