Which of the following is an ionic compound?
O CO2
O H2O
O CH4
OKCI
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Ответ:
the first one since it mean carbon oxide
Explanation:
and u need a cation and anion to create a compound which is what that is
Ответ:
PV=nRT
where
P=pressure ( 0.980 atm)
V=volume (L)
T=temperature ( 23 ° C = 23+273.15 = 296.15 ° K)
n=number of moles of ideal gas (0.485 mol)
R=universal gas constant = 0.08205 L atm / (mol·K)
Substitute values,
Volume, V (in litres)
=nRT/P
=0.485*0.08205*296.15/0.980
= 12.0256 L
= 12.0 L (to three significant figures)