2 years ago

What is biodiversity? I don't really understand...

Chemistry

1 answer:

Vesnalui [34]2 years ago

4 0

Answer:

it is also know as biological diversity

Explanation:

it refers to the varieties or various forms of plants and animals species

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Fill in the missing spaces in the chart. Will give brainliest.

lana [24]

Explanation:

9/4 Be +2 (the 9 and 4 are stacked next to Be). Atomic #: 4

Mass #: 9, # protons: 4, # neutrons: 5, #electrons: 2.

31/15 P (31 is stacked over 15 next to the P). Atomic #: 15,

Mass #: 31, # protons: 15, # neutrons: 16, # electrons: 15.

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2 years ago

In the reaction, A → Products, the rate constant is 3.6 × 10−4 s−1. If the initial concentration of A is 0.548 M, what will be t

Arada [10]

Answer:

$\large\boxed{\large\boxed{0.529M}}$

Explanation:

Since the <em>rate constant</em> has units of <em>s⁻¹</em>, you can tell that the order of the reaction is 1.

Hence, the rate law is:

$r=d[A]/dt=-k[A]$

Solving that differential equation yields to the well known equation for the rates of a first order chemical reaction:

$[A]=[A]_0e^{-kt}$

You know [A]₀, k, and t, thus you can calculate [A].

$[A]=0.548M\times e^{-3.6\cdot 10^{-4}/s\times99.2s}$

$[A]=0.529M$

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3 years ago

Which type of radioactive decay occurs in the following reaction?

ella [17]

This one is beta decay (the -1 subscript tells us that)

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qwelly [4]

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Explanation:

It is because a stick dynamite is a stored energy which have to be acted upon(lighting it) for it to explode

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What type of ecosystem can you find a lion in?

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