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miss Akunina [59]
3 years ago
6

Analyze: What do the elements in each column of the periodic table have in common?

Chemistry
1 answer:
ludmilkaskok [199]3 years ago
7 0

Answer:

Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements.

Explanation:

Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements.

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An object moving at a constant velocity will always have a <br> .
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Read 2 more answers
A typical fast food meal consists of a burger, fries, and a soft-drink and contains 58.0 grams of fat, 39.0 grams of protein, an
Burka [1]

Answer:

371.12 minutes would it take to completely burn off the meal.

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Amount of fat in the food = 58.0 g

The respective fuel values for fat = 38 kJ/g

Amount of protein = 39.0 g

The respective fuel values for protein = 17 kJ/g

Amount of carbohydrates in the food = 177 g

The respective fuel values for carbohydrates = 17 kJ/g

Total energy derived from the meal = Q

Q=58.0 g\times 38 kJ/g+39.0 g\times 17 kJ/g+177 g\times 17 kJ/g

Q = 5876 kJ

Energy used while jogging for 1 hour = 950.0 kJ

Energy used while jogging for 60 minutes = 950.0 kJ

Let the time require to burn 5876 kJ of energy be t.

So, \frac{950.0 kJ}{60 min}=\frac{5876 kJ}{t}

\frac{5876 kJ\times 60 min}{950.0 kJ}=371.12 min

371.12 minutes would it take to completely burn off the meal.

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