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stealth61 [152]
3 years ago
9

Post your responses to the following:

Chemistry
1 answer:
MissTica3 years ago
8 0
Best way: A good way to slow down the antibiotic resistance is that people can use antibiotics only when needed. This will make it so the virus does not become resistant to the antibiotics as quickly. This the most important way because new antibiotics take time to develop, and once one is used frequently enough, a new one is needed to replace it.
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What are the two ways light moves through space? for astronomy the solar system
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2 years ago
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Elements
Snezhnost [94]

Answer:

elements are composed of

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protons with mass and positive charge

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3 years ago
Which of the following is an essential condition for a redox reaction?
rusak2 [61]
The oxidation of at least two atoms should change
8 0
3 years ago
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Calculate the amount of heat required to raise the temperature of a 24 g sample of water from 9°C to 23°C.
borishaifa [10]

Answer:

1400KJ/mol⁻¹

Explanation:

Amount of heat required can be found by:

Q = m × c × ΔT

<em>Where m is the mass, c is the specific heat capacity (4.2KJ for water) and ΔT is the change in temperature.</em>

Q = 24 × 4.2 × (23 - 9)

= 24 × 4.2 × 14

=   1411.2KJ/mol⁻¹

= <u>1400KJ/mol⁻¹</u>  (to 2 significant figures)

7 0
3 years ago
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