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Debora [2.8K]
3 years ago
7

What is the number of electrons that can be held in the first orbit closest to the nucleus

Chemistry
1 answer:
Juliette [100K]3 years ago
5 0
The first shell can hold up to 2 electrons, the second shell can hold up to 8 (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on.
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The raw materials used in making nylon?<br><br> [Please answer this]
IRINA_888 [86]

Answer:

petroleum,natural gas,lime stone, coal,water,acetylene etc.

4 0
3 years ago
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Determine the volume (in liters) of a 87.8-9 sample of OF2 gas at 307 torr and 264°C.
expeople1 [14]

Answer:

V = 177.4 L.

Explanation:

Hello there!

In this case, since this gas can be assumed as ideal due to the given data, we can use the following equation:

PV=nRT\\\\PV=\frac{m}{MM}RT

Thus, by solving for volume we obtain:

V=\frac{mRT}{MM*P}

So we can plug in the temperature in Kelvins (537 K), the pressure in atmospheres (0.404 atm) and the molar mass (54 g/mol) to obtain:

V=\frac{87.8g*0.08206\frac{atm*L}{mol*K}*537K}{54g/mol*0.404atm}\\\\V=177.4L

Best regards!

6 0
3 years ago
Use the Gizmo to mix 200 g of copper at 100 °C with 1,000 g of water at 20 °C. Record the data and calculated answers for copper
xxTIMURxx [149]

Answer:

Explanation:Use the Gizmo to mix 200 g of copper at 100 °C with 1,000 g of water at 20 °C. Record the data and calculated answers for copper in the 2 tables below. Accepted values for % error calculations can be found below these 2 tables.

DATA

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3 0
3 years ago
On which side of an equation are the reactants found?
koban [17]
The reactants are found on the Left of the arrow :)
6 0
3 years ago
Given that blood exerts the same osmotic pressure as a 0.15 M NaCl solution, which solution could be the hypertonic solution?/se
inna [77]

Answer:

a. 0.68 M NaCl solution

Explanation:

The tonicity of a solution can either be hypotonic, hypertonic and isotonic. Hypertonic solution is a solution which possesses a higher concentration of solute in relation to another solution.

According to this question, a solution is said to contain 0.15 M NaCl solute. This means that a solution that will be hypertonic to this solution will have a much more concentration of solute, which based on the options provided is the 0.68 M NaCl solution.

5 0
3 years ago
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