What type of bond ?

Chemistry

2 answers:

Gwar [14]3 years ago

6 0

I dont get what you are asking is there answers?

Sophie [7]3 years ago

5 0

This is an example of an ionic bond. As the metal, which is Mg is donating its 2 valence electrons to an atom of O. This results in ions of opposite charge and the attraction between these 2 ions essentially forms the bond.

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Write 0.000000093425 in Scientific Notation with 4 significant figures.

Romashka-Z-Leto [24]

Answer: The given number in scientific notation is $9.342\times 10^{-8}$

Explanation:

Scientific notation is the notation where a number is expressed in the decimal form. This means that the number is always written in the power of 10 form. The numerical digit lies between 0.1.... to 9.9.....

If the decimal is shifting to right side, the power of 10 is negative and if the decimal is shifting to left side, the power of 10 is positive.

We are given:

A number having value = 0.000000093425

Converting this into scientific notation, we get:

$\Rightarrow 0.000000093425=9.342\times 10^{-8}$

Hence, the given number in scientific notation is $9.342\times 10^{-8}$

6 0

4 years ago

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You have 2.394 x 102 mL of oxygen gas (O2) at 7.20 x 102 mm of Hg and 78 oC.

igomit [66]

We are given with
V = 2.394 x 102 mL
P = 7.20 x 102 mm of Hg
T = 78 oC

We are asked to determine the mass of the sample in milligrams
Using the ideal gas law
n = PV / RT
n = 7.20 x 102 mm of Hg (2.394 x 102 mL) / R (78 + 273)
Use the appropriate value for R or just convert the values to SI and use R = 8.314
Then, solve for the mass of the sample by using the MW Oxygen which is 16 g/mol

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3 years ago

Consider a sample that is a mixture composed of biphenyl, benzoic acid, and benzyl alcohol. Predict the order of elution of the

Tems11 [23]

Answer:

biphenyl, benzyl alcohol, benzoic acid

Explanation:

Due to the nonpolar nature of cyclohexane, biphenyl will be the first solute to be eluted due to the presence of two phenyl rings. The second solute to be eluted will be benzyl alcohol due to the presence of OH group. This is because it has the ability to exhibit hydrogen bond with the silica column of the chromatography. Lastly, the benzoic acid will be the third solute to be eluted due to the presence of COOH group which is more polar than the OH group. Therefore, the order of elution of the components in the mixture is biphenyl, benzyl alcohol, benzoic acid.

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3 years ago

Which sound frequency with a human ear be able to detect? Select ALL correct answers.

Allisa [31]

Answer:

100 HZ 1,000 HZ 10,000 HZ there you go :)

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3 years ago

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I need help...

Aneli [31]

Answer: