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Brut [27]
3 years ago
12

Choose one of the following areas of research and describe how these scientific studies will have an affect on the economy, poli

tics, and society. You can choose from the following: scientists studying the atmosphere, air pollution, and weather patterns; scientists studying renewable energy resources like solar and wind energy; or scientists studying water movement and the hydrologic cycle.
Chemistry
1 answer:
vlabodo [156]3 years ago
8 0
It wont matters what you put just read.

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What is the percent by volume of a solution formed by mixing 15 mL of hydrochloric acid into water, forming 75 mL of solution?
timama [110]

Answer:

= 17% (v/v)  

Explanation:

% by Volume = (Volume HCl / Volume of Solution)100%

= 15ml/(75ml + 15ml) x 100% = 16.66666667% (calculator answer)

= 17% (v/v)  2 sig figs. based on volume values given.

4 0
3 years ago
In which situation would hydrogen bonding be present?​
sineoko [7]

Answer:

Water ?

Need more info.

Water is H_{2}<em>O</em>

Explanation:

6 0
2 years ago
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Read the following chemical equations.
lora16 [44]

This problem is providing two reduction-oxidation (redox) reactions in which the oxidized and reduced species can be identified by firstly setting the oxidation number of each element:

Reaction 1: 2K⁺I⁻ + H₂⁺O₂⁻  ⇒2K⁺O⁻²H⁺ + I₂⁰

Reaction 2: Cl₂⁰ + H₂⁰ ⇒ 2H⁺CI⁻

Next, we can see that iodine is being oxidized and oxygen reduced in reaction #1 and chlorine is being reduced and hydrogen oxidized in reaction #2 because the oxidized species increase the oxidation number whereas the reduced ones decrease it.

In such a way, the correct choice is C.

Learn more:

  • (Redox reactions) brainly.com/question/13978139

8 0
2 years ago
Are usually solid shiny and conductive object
crimeas [40]
If the solid is a metal, yes. Most solids on the periodic table are metals
8 0
3 years ago
Will give most brainly.
Anna [14]

Answer:

One mole

Explanation:

It tells u the concentration

8 0
2 years ago
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