3 years ago

What is the bond angle that corresponds to the

1 answer:

dalvyx [7]3 years ago

5 0

I think it is B for the answer

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tigry1 [53]

Molar mass = 212.996 g/mol

,,

You basically add the total atomic weight, these weights can be found on a periodic table

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3 years ago

Alja [10]

D is the only choice here that is appropriate given neutrons' lack of charge

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3 years ago

Inessa05 [86]

Answer:

Later when they are older

Explanation:

brainliest/

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2 years ago

JulsSmile [24]

Answer:

283.725 kJ ⋅ mol − 1

Explanation:

C(s) + 2Br2(g) ⇒ CBr4(g) , Δ H ∘ = 29.4 kJ ⋅ mol − 1

$\frac{1}{2}$ Br2(g) ⇒ Br(g) , Δ H ∘ = 111.9 kJ ⋅ mol − 1

C(s) ⇒ C(g) , Δ H ∘ = 716.7 kJ ⋅ mol − 1

4*eqn(2) + eqn(3) ⇒ 2Br2(g) + C(s) ⇒ 4 Br(g) + C(g) , Δ H ∘ = 1164.3 kJ ⋅ mol − 1

eqn(1) - eqn(4) ⇒ 4 Br(g) + C(g) ⇒ CBr4(g) , Δ H ∘ = -1134.9 kJ ⋅ mol − 1

so,

average bond enthalpy is $\frac{1134.9}{4}$ = 283.725 kJ ⋅ mol − 1

4 0

3 years ago

horsena [70]

It is a compound because a compound is two or more different elements chemically combined.

5 0

2 years ago