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VLD [36.1K]
2 years ago
7

Scientists test their ideas about things they cannot observe directly by building

Chemistry
1 answer:
Karo-lina-s [1.5K]2 years ago
5 0

Answer:

yes

Explanation:

Testing scientific ideas

Testing Ideas. Testing hypotheses and theories is at the core of the process of science. ... match actual results observation, that lends support.

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koban [17]

Answer:

The answer to your question is butanal

Explanation:

To name this compound we must consider:

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When carbon is attached to oxygen is a border, this functional group is called Aldehyde.

2.- Count the total number of carbons starting from the right. This molecule has 4 carbons.

3.- Name the compound

    An organic molecule with 4 carbons is called butane but change the ending for al, then the name will be butanal

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2 years ago
A strong acid, HA, is added to water. Which statement about the solution is true?
Arturiano [62]
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3 0
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BaLLatris [955]

Answer:

• potential for a species to increase in number

• the heritable genetic variation/ which results from mutation in dna

• the size of a population increases

• competiton for resources that are limited in that specific environment.

Explanation:

these are all factors that would affect natural selection although there are many more.

6 0
3 years ago
The atomic number of potassium is 19. How many electrons does this element have?
Vinvika [58]

Answer:

Potassium is an element that has 19 electrons

7 0
2 years ago
Enter the oxidation number of one atom of each element in each reactant and product.
Anton [14]

Answer:

1. -4

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6. +1

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reduced = H

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Explanation:

Know oxidation rules.

- Hope this helped! Please let me know if you would like to learn this. I could show you the rules and help you work through them.

7 0
3 years ago
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