2 years ago

Simple Chemistry Question - 5 points

Chemistry

2 answers:

ella [17]2 years ago

4 0

Boyle’s Law I’m pretty sure

Romashka-Z-Leto [24]2 years ago

4 0

Answer:

Charles's Law

Explanation: Look at the attached file for information!!!

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I need help ASAP

vova2212 [387]

Answer:

1.4 g/cm3

Explanation:

Density = Mass/Volume

Mass = 21g

Volume = 15cm3

Density = 21/15 = 1.4

8 0

2 years ago

I NEED ANSWER PLEEEAASSEE!!!

emmasim [6.3K]

The answer is B. This is because Sodium has 1 valence electron and Fluorine has 7 valence electrons. All elements want 8 valence electrons so they may be stale, like the noble gases are. Hope this helps.

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3 years ago

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Which states of matter only appear in the hydrosphere

Oliga [24]

I would say the answer is liquids

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2 years ago

What are the periodic trends of ionic radii? Check all that apply.

Troyanec [42]

Atomic radii increase when going down a group and decreases when going towards the anion periods. So A and D.

6 0

3 years ago

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If the pH of vinegar is 3.0, what is the concentration of H+ in vinegar?

Cerrena [4.2K]

Answer: The concentration of $H^{+}$ ions in vinegar is 0.001 M.

Explanation:

Given: pH = 3.0

pH is the negative logarithm of concentration of hydrogen ion.

The expression for pH is as follows.

$pH = - log [H^{+}]$

Substitute the value into above expression as follows.

$pH = - log [H^{+}]\\3.0 = - log [H^{+}]\\conc. of H^{+} = antilog (- 3.0)\\= 0.001 M$

Thus, we can conclude that the concentration of $H^{+}$ ions in vinegar is 0.001 M.

5 0

2 years ago