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BartSMP [9]
3 years ago
15

4) Select all the terms according to the subatomic particle of an electron.

Chemistry
1 answer:
Paladinen [302]3 years ago
5 0

Answer:I think it’s B

Explanation:

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oils will dissolve best in solvents that are? A. polar B. nonpolar C. either polar or nonpolar D. neither polar nor nonpolar
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The answer is <span>B. nonpolar.

Polar molecules dissolve best in polar solvents while nonpolar molecules dissolve best in nonpolar solvents. </span>Oils are nonpolar. So, they will dissolve best in nonpolar solvents. If you put oil in some polar solvent, such as water, it will hardly dissolve.
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3 years ago
The electron configuration 1s2 is correct for an element that has 2 electrons, both in the first principle energy level
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Answer:

The answer is True

Explanation:

I got it right on my quiz, hope this helps!

5 0
3 years ago
(06.03 MC) A 50.0 mL sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. What i
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Answer:

New volume is 25.0 mL

Explanation:

Let's assume the gas sample behaves ideally.

According to combined gas law for an ideal gas-

                         \frac{P_{1}V_{1}}{T_{1}}=\frac{P_{2}V_{2}}{T_{2}}

where, P_{1} and P_{2} represent initial and final pressure respectively

V_{1} and V_{2} represent initial and final volume respectively

T_{1} and T_{2} represent initial and final temperature (in kelvin) respectively

Here, T_{1}=T_{2}, V_{1}=50.0mL, P_{1}=20.0atm and P_{2}=40.0atm

So, V_{2}=\frac{P_{1}V_{1}T_{2}}{P_{2}T_{1}}=\frac{(20.0atm)\times (50.0mL)}{40.0mL}=25.0mL

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6 0
3 years ago
What does the periodic table have in common with a calendar?
Angelina_Jolie [31]

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Calendar and periodic table both have repetitive patterns.

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In calendar the days are arranged and divided into weeks whereas in the periodic table the elements are arranged in increasing atomic number and divided into groups

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3 years ago
Given the equilibrium reaction: 2 A (aq) + 3 B (aq) &lt;— —&gt; 2 C (aq) + D (aq) and equilibrium concentrations of [A] = 0.60M,
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Given the equilibrium reaction: 2 A (aq) + 3 B (aq) <— —> 2 C (aq) + D (aq) and equilibrium concentrations of [A] = 0.60M, [B] = 0.30 M, [C] = 0.10 M and [D] = 0.50 M. The Kc value will be:
a. 1.9 c. 2.4 b. 0.15 d. 0.51





Answer . A
5 0
3 years ago
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