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AlekseyPX
3 years ago
10

Which of the following is a method used by atoms to form a chemical bond? Merging electrons Merging protons Sharing electrons Sh

aring protons
Chemistry
2 answers:
Sedbober [7]3 years ago
7 0
A strong chemical bond is formed by sharing electrons.
Cloud [144]3 years ago
3 0

Answer: Option (c) is the correct answer.

Explanation:

In the formation of a chemical bond, only electrons are involved.

When there is transfer of electrons then there is formation of ionic bond. Whereas when there is sharing of electrons then there is formation of covalent bond.

Thus, we can conclude that sharing electrons is a method used by atoms to form a chemical bond.


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125 ml of nitrogen gas is collected at 70.0 degrees Celsius. The pressure
dybincka [34]

Answer: Volume of the gas at STP is 22.53 L.

Explanation:

Given : Volume = 125 mL   (as 1 mL = 0.001 L) = 0.125 L

Temperature = 70^{o}C = (70 + 273) K = 343 K

Pressure = 125 kPa = 125 kPa \times \frac{0.01 atm}{1 kPa} = 1.25 atm

According to the ideal gas equation, the volume of given nitrogen gas is calculated as follows.

PV = nRT

where,

P = pressure

V = volume

n = number of moles

R = gas constant = 0.0821 L atm/mol K

T = temperature

Substitute the values into above formula as follows.

1.25 atm \times V = 1 mol \times 0.0821 L atm/mol K \times 343 K\\V = \frac{1 mol \times 0.0821 L atm/mol K \times 343 K}{1.25 atm}\\= \frac{28.1603}{1.25} L\\= 22.53 L

Hence, volume of the gas at STP is 22.53 L.

5 0
3 years ago
Vitamins are food.<br> True OR False
Serga [27]

Answer:   Hello!

False

Explanation:

hope you do good!they are in ur food though

6 0
3 years ago
Read 2 more answers
Fragilidad de metales​
Lemur [1.5K]

Answer: La fragilidad es la propiedad de algunos metales de no poder experimentar deformaciones plásticas, de forma que al superar su límite elástico se rompen bruscamente. La acritud es la propiedad de un metal para aumentar su dureza y su resistencia por el efecto de las deformaciones.

Explanation: y estas en el Brianly de ingles no el de español.

7 0
2 years ago
2. The pressure of the oxygen gas inside a
Flauer [41]

Answer: 4.41 atm

Explanation:

Given that,

Original pressure of oxygen gas (P1) = 5.00 atm

Original temperature of oxygen gas (T1) = 25°C

[Convert 25°C to Kelvin by adding 273

25°C + 273 = 298K

New pressure of oxygen gas (P2) = ?

New temperature of oxygen gas (T2) = -10°C

[Convert -10°C to Kelvin by adding 273

-10°C + 273 = 263K

Since pressure and temperature are given while volume is held constant, apply the formula for Charle's law

P1/T1 = P2/T2

5.00 atm /298K = P2/263K

To get the value of P2, cross multiply

5.00 atm x 263K = 298K x V2

1315 atm•K = 298K•V2

V2 = 1315 atm•K / 298K

V2 = 4.41 atm

Thus, the new pressure inside the canister is 4.41 atmosphere

4 0
3 years ago
A science class did an experiment in which two substances were mixed. After 15 minutes, everything looks the same, but the stude
valentinak56 [21]

Answer:

C a chemical reaction formed

Explanation:

if something changes smell and nothing else it is a chemical reaction, every other answer does not make sense

5 0
3 years ago
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