Which of the following compounds would have a linear molecular geometry? 1. N2 2. H2S 3. CO2 a. 1 and 3 only b.1 and 2 only c.2
and 3 only d.1,2 and 3 neither 1, 2,or 3
1 answer:
Answer: 1 and 3 only
Explanation:
The structures of N2 and CO2 show both to be linear compounds from the images attached. In molecular nitrogen, the two nitrogen atoms are sp hybridized just as the two carbon atoms in CO2 are sp hybridized. sp hybridization is associated with linear shape because it leads to a bond angle of 180°. Hence the answer.
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Answer:
Negative sign says that release of heat.
Explanation:
The expression for the calculation of the heat released or absorbed of a process is shown below as:-
Where,
is the heat released or absorbed
m is the mass
C is the specific heat capacity
is the temperature change
Thus, given that:-
Mass = 25.2 g
Specific heat = 0.444 J/g°C
So,
Negative sign says that release of heat.
