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blondinia [14]
2 years ago
15

Which type of drug commonly marketed to consumers does not require a prescription?

Chemistry
1 answer:
Nimfa-mama [501]2 years ago
7 0
C. pain reliever
ex. tylenol, aleve, etc.
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Which of the following best describes an atom? For science
vladimir2022 [97]

Answer:An atom consists of three sub atomic particles which are protons, neutrons, and electrons. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge.

Explanation: because atoms are made up of particles

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List the colors of light in the visible spectrum in order<br> of increasing frequency.
masya89 [10]

Answer:

Violet 400 - 420 nm

Indigo 420 - 440 nm

Blue 440 - 490 nm

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Red 620 - 780 nm

Explanation:

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What is the formula for S5O3
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2 years ago
In boyle's law, the initial volume of a gas is 120 ml at 256 kpa. what will be the volume if the pressure increases to 385 kpa?
Vinil7 [7]
<h3>Answer:</h3>

79.8 ml

<h3>Explanation:</h3>

Boyle's law describes the relationship between pressure and volume when the temperature is constant. For this question, I will be rounding to significant figures.

Boyle's Formula

When describing the relationship between pressure and volume, the formula \displaystyle P_{1} V_{1}= P_{2} V_{2}. In this formula, P_{1}V_{1} is the initial pressure and volume. On the other side, P_{2} V_{2} is final pressure and volume. So, to find a missing variable you must plug in the values you are given.

Final Volume

Remember when solving this question to remain constant in your units. When we plug in the values we know we are given:

  • 256kPa*120mL=385kPa*V_{2} mL

Now, we can multiply the left side

  • 30720kPa*mL=385kPa*V_{2} mL

Finally, we can divide by 385 to isolate the final volume

  • 79.8mL=V_{2}

This gives the final volume of 79.8mL.

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2 years ago
Which is a characteristic of the electron sea model for metallic bonding?
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The correct one is option 2

4 0
3 years ago
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