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Nezavi [6.7K]
3 years ago
15

List 3 reason for season

Chemistry
1 answer:
IgorLugansk [536]3 years ago
8 0
1. Tilt
2. Revolution - The Earth revolves around the Sun.
3. The North pole always point in the same direction.

Hope it helps.

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2CO(g)+O2 (g) =2CO2(g)
Ronch [10]

Answer:

6.76 moles.

Explanation:

2CO(g)+O2 (g) =2CO2(g)

When 2 CO mols were reacted with excess O2 then 2 mols of CO2 is created.

Therefore if 6.76 moles reacted, same number of CO2 will be created.

4 0
4 years ago
Rubidium has two naturally occurring isotopes, rubidium -85 ( atomic mass = 84.9118 amu; abundance = 72.15%) and rubidium -87 (a
son4ous [18]

Answer:

The answer to your question is: 85.458 amu

Explanation:

data

Rubidium-85   A = 84.9118 amu   abundance = 72.15%  

Rubidium - 87  A = 86.9092 amu abundance = 27.85%

Atomic weight = ?

Atomic weight = 84.9118(0.7215) + 86.9092(0.2785)

Atomic weight = 61.2538 + 24.2042

Atomic weight = 85.458 amu

6 0
4 years ago
Zinc has the chemical symbol Zn and the atomic number 30. How many protons, neutrons, and electrons does an atom of zinc-69 have
elena55 [62]
D, because isotopes all have the same atomic number but different number of neutrons
4 0
3 years ago
Read 2 more answers
Tommy’s class is investigating soil conservation with his classmate. He believes that soil is just dirt and has no importance to
noname [10]

Answer:

D

Explanation:

I think it's D Student C says soil is a vital for life on earth because it contains small mineral fragments, organic material, water, and air that can support the growth of vegetation.

8 0
3 years ago
If it takes ashley 3 seconds to run from the battere box to first base at an average speed of 4 meters per second, whar is the d
mrs_skeptik [129]

If it takes Ashley 3 seconds to run from the batters box to first base at a speed of 6 meters per second, the distance she covers in that time is 18 meters!

<em>Hope this helps! (:</em>

6 0
4 years ago
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