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IRINA_888 [86]
3 years ago
12

What group is Pb (lead) in?

Chemistry
1 answer:
docker41 [41]3 years ago
7 0

Answer:

Lead (Pb), a soft, silvery white or grayish metal in Group 14 (IVa) of the periodic table.

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PLEASE HELP!!!!!!!!!
KonstantinChe [14]

Answer:

Option "C" is the correct answer to the following question.

Explanation:

Given:

Pressure in an automobile tire (P) = 1.88 atm

Temperature (K) = 25°C = 273 + 25 = 298 Kelvin

New temperature (K1) = 37°C = 273 + 37 = 310 Kelvin

Find:

New pressure in an automobile tire (P1) = ?

Computation:

\frac{P}{K}= \frac{P1}{K1} \\\\\frac{1.88}{298}= \frac{P1}{310}\\\\1.9557

New pressure in an automobile tire (P1) = 1.9557

New pressure in an automobile tire (P1) = 1.96 (Approx)

5 0
3 years ago
Which best describes a neutralization reaction?
Softa [21]
A reaction between to acids
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3 years ago
Identify the cfc with the shortest atmospheric lifetime
goldenfox [79]
CFC-11 is typically the CFC with the shortest atmospheric lifetime. 
5 0
3 years ago
A ball sits on top of a hill. The wind blows and the ball begins rolling down the hill. What caused the ball to start moving?
ELEN [110]
The answer should be a
4 0
3 years ago
Read 2 more answers
Which of the following characteristics describes aerobic organisms.
horsena [70]

Answer: Option (3) is the correct answer.

Explanation:

Aerobic organisms are the organisms which survive and grow in the presence of oxygen.

When oxidation of glucose occurs in the presence of oxygen then it is known as aerobic respiration.

In aerobic respiration, food releases energy to produce ATP which is necessary for cell activity. There is complete breakdown of glucose in aerobic respiration that is why more energy is released. Therefore, aerobic organisms become active.

Thus, we can conclude that characteristics very active, efficient use of energy describes aerobic organisms.

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3 years ago
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