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3 years ago

Which structural adaptation would help a plant survive better in shady environment ?

1 answer:

kramer3 years ago

4 0

The answer is large leaves.

These enable the plant to absorb more of the scarce sunlight it receives, so it can create enough nutrients for it to survive.

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Which of the following has the shortest bond lenght Options A). H2 B).N2 C).O2 D).F2

hammer [34]

Answer:

B. N2

Explanation:

The triple bonds pull the atoms closer together, and since N2 is the only molecule with the triple bond, it is the shortest bond length.

6 0

3 years ago

An automobile can travel 40.0 miles on one gallon of gasoline how many kilometers per liter is this

Dmitrij [34]

Sent a pic of your problem and worked it out.

8 0

3 years ago

Read 2 more answers

Determine the number of grams of Carbon in 215 g of sucrose.

olya-2409 [2.1K]

<span>just find the percent mass of oxygen in sucrose again. and then multiply that by 50.00.</span>

6 0

3 years ago

How many half-lives are required for the concentration of reactant to decrease to 1.56% of its original value?4247.56.56

neonofarm [45]

Answer:

6 half-lives are required for the concentration of reactant to decrease to 1.56% of its original value.

Explanation:

Using integrated rate law for first order kinetics as:

$[A_t]=[A_0]e^{-kt}$

Where,

$[A_t]$ is the concentration at time t

$[A_0]$ is the initial concentration

Given:

Concentration is decreased to 1.56 % which means that 0.0156 of $[A_0]$ is decomposed. So,

$\frac {[A_t]}{[A_0]}$ = 0.0156

Thus,

$\frac {[A_t]}{[A_0]}=e^{-k\times t}$

$0.0156=e^{-k\times t}$

kt = 4.1604

The expression for the half life is:-

Half life = 15.0 hours

$t_{1/2}=\frac {ln\ 2}{k}$

Where, k is rate constant

So,

$k=\frac {ln\ 2}{t_{1/2}}$

$\frac{4.1604}{t}=\frac {ln\ 2}{t_{1/2}}$

$t = 6\times t_{1/2}$

<u>6 half-lives are required for the concentration of reactant to decrease to 1.56% of its original value.</u>

6 0

3 years ago

What would happen to the moon’s interia were to increase? A the moon will fly into space. B the moon will smash into Earth. C th

Montano1993 [528]

Answer:

Explanation:

5 0

3 years ago