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frosja888 [35]
3 years ago
7

3. An object weighs 8.22 lbs. What is the mass in grams?​

Chemistry
1 answer:
Rainbow [258]3 years ago
3 0

Answer:

The correct answer is 372852.9 g.

Explanation:

First, we must look for the relationship between the masses in grams and pounds.

To get an approximate result, the relationship between pounds and grams found is:

1 lbs = 453.592 g

Now we must use this relationship as a conversion factor in the following way:

8.22 lbs * \frac{453.592 g}{1 lbs} = 372852.9 g

The mass expressed in grams for 8.22 lbs is 372852.9 g.

Have a nice day!

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Which of the following has the greatest electronegativity difference between the bonded atoms? a. A strong acid made of hydrogen
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Answer: Option (d) is the correct answer.

Explanation:

Electronegativity value of hydrogen is 2.2.

Electronegativity value of chlorine is 3.16.

Electronegativity value of carbon is 2.55.

Electronegativity value of oxygen is 3.44.

Electronegativity value of nitrogen is 3.04.

Electronegativity value of sodium is 0.93.

Electronegativity value of iodine is 2.66.

Therefore, calculate the electronegativity difference between the bonded atoms as follows.

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  • Electronegativity difference of CO = Electronegativity value of oxygen - electronegativity value of carbon

                                                          =  3.44 - 2.55

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  • Electronegativity difference of N_{2} = Electronegativity value of nitrogen - electronegativity value of nitrogen

                                                           = 3.04 - 3.04

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                                                          = 2.66 - 0.93

                                                          = 1.73

So, we can see that highest electronegativity difference is 1.73 and it is shown by NaI molecule.

Thus, we can conclude that a group 1 alkali metal bonded to iodide, such as NaI has the greatest electronegativity difference between the bonded atoms.

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