Please help... I’m trying to study for a test and I can’t find any information on these questions.

Chemistry

1 answer:

lana66690 [7]2 years ago

3 0

Well usebtainlyzzhxhxxjxudxu d m

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Look at the diagram below, which shows an atom of an element. How many valence electrons does it have? Based on this, would the

Cloud [144]

Answer:

unreactive

Explanation:

because look at the picture the picture will show you easily

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2 years ago

What change shows a tenfold increase in concentration of h+ ions?

sasho [114]

Your answer would be: pH2 --> pH1

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Determine the amount of both hydrogen and oxygen in a 500mL sample of Water.

alina1380 [7]

There would be about 1.67 x 10^25 oxygen atoms and about 3.34 x 10^25 hydrogen atoms.

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What are some of the ways that people can Reduce their use of fossil fuels?

alukav5142 [94]

Answer:

By using renewable energy sources.

Explanation:

You need to satisfy a quota of energy for (whatever country you live in). People do this by using the cheapest way of producing the most energy, the most efficient. Sounds great right? Wrong! It stuffs our atmosphere with harmful gasses like carbon dioxide. You can reduce the use of these fossil fuels by using renewable energy sources such as windmills, watermills, and most notable, solar panels!

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The coolant in automobiles is often a 50/50 % by volume mixture of ethylene glycol, C2H6O2, and water. At 20°C, the density of e

Misha Larkins [42]

Explanation:

Let the volume of the solution be 100 ml.

As the volume of glycol = 50 = volume of water

Hence, the number of moles of glycol = $\frac{mass}{molar mass}$