3 years ago

Describe what a buffer is

1 answer:

4 0

Answer:

A buffer is a solution or substance that resists (or tries to resist) a change in pH when an acid or a base is added to it.

Explanation:

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How far does light travel in 3.0 days

MArishka [77]

Answer:

$d=7.77\times 10^{13}\ m$

Explanation:

We know that the speed of light is equal to $3\times 10^8\ m/s$

We need to find how far the light travel in 3 days.

Speed of an object is equal to distance covered divided by time taken.

Also, 1 day = 86400 s

3 days = 259200 s

So,

$d=vt$

$d=3\times 10^8\times 259200\\\\d=7.77\times 10^{13}\ m$

So, the light will travel $7.77\times 10^{13}\ m$ in 3 days.

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3 years ago

A loose, icy body with a long, narrow orbit is?

Firdavs [7]

A loose, icy body with a long, narrow orbit is a comet

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4 years ago

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Which characteristics must an object possess in order to be considered alive?

kipiarov [429]

In order for an object of be considered a living organism, that "thing" must live, breath, grow and reproduce ;)

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3 years ago

How many molecules are there in 0.035 moles of CO2?

Svet_ta [14]

I would say C but I’m not entirely sure

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4 years ago

Calculate the molar concentration of 4.75 moles of NaCl in<br> 0.50 liters of water?

worty [1.4K]

Answer:

9.5 m

Explanation:

First, divide 4.75 m by the 0.50 l

4.75/0.50

This leaves you with 9.5 m

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3 years ago