3 years ago

Can you test a hypothesis that hummingbirds spend most of their waking hours feeding

1 answer:

6 0

Yes you can. in order to do this however, you would need to observe the hummingbird and study it closely

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Y_Kistochka [10]

Answer:

true

hope this helps! have an amazing day!

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marysya [2.9K]

Explanation:

1) $2 Al(s) + 2 NaOH(aq) + 6 H_2O(l) \longleftrightarrow 2 Na[Al(OH)_4](aq) + 7 H_2(g)$

$Kc=\frac{[Na[Al(OH)_4]]^2*[H_2]^7}{[NaOH]^2}$

The Kc for the reverse reaction is the inverse of the Kc of the reaction:

$Kc_{reverse}=\frac{1}{Kc}=\frac{1}{11}=0.091$

2) $H_2O(l) + SO_3(g) \longleftrightarrow H_2SO_4 (aq)$

$Kc=\frac{[H_2SO_4]}{[SO_3]^2}$

The Kc for the reverse reaction is the inverse of the Kc of the reaction:

$Kc_{reverse}=\frac{1}{Kc}=\frac{1}{0.0123}=81.3$

3) $P_4(s) + 3 O_2(g) \longleftrightarrow P_4O_6(s)$

$Kc=\frac{1}{[O_2]^3}$

The Kc for the reverse reaction is the inverse of the Kc of the reaction:

$Kc_{reverse}=\frac{1}{Kc}=\frac{1}{1.56}=0.641$

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3 years ago

luda_lava [24]

A. Channel precipitation runoff into bodies of water.

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hammer [34]

A.) true

Because the rocks are formed near lava so the texture would be smooth

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Pani-rosa [81]

Competitive inhibitor

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3 years ago