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uranmaximum [27]
2 years ago
12

What is reason for changing season of the earth ​

Chemistry
2 answers:
Vlad1618 [11]2 years ago
6 0

Answer:

the reasons for the changes in seasons are: revolution of the Earth

The tilt of the Earth's axis

dimulka [17.4K]2 years ago
3 0
The reason is because the Earth spins on this thing called axis and it is tilted towards a certain planet and then that will be the season. So like if it is titled on the axis towards the sun then it will be summer.
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What's the break up of rock caused by mechanical or chemical processes
Vlad1618 [11]
It depends if your talking about science or math but It could be both if it says something about weathering which is what causes a rock to break it might be chemical ill comment and tell you the correct answer
4 0
3 years ago
What is the mass of 1.75 moles of HF?
olganol [36]

Answer:

Mass = 35.02 g

Explanation:

Given data:

Number of moles = 1.75 mol

Mass of HF = ?

Solution:

Formula:

Mass = number of moles × molar mass

Molar mass of HF = 20.01 g/mol

by putting values,

Mass = 1.75 mol × 20.01 g/mol

Mass = 35.02 g

7 0
3 years ago
How many moles of Mg are contained in 11.0<br> grams of magnesium?
DanielleElmas [232]

Answer:

Should be 0.6106 though i could be wrong

Explanation:

3 0
3 years ago
HELP
Vesnalui [34]

Answer:

145.8g

Explanation:

Given parameters:

Number of moles of magnesium hydroxide  = 2.5mol

Unknown:

Mass of Mg(OH)₂  = ?

Solution:

To solve this problem we use the expression below;

  Mass of Mg(OH)₂ = number of moles x molar mass

 Molar mass of Mg(OH)₂ = 24.3 + 2(16 + 1)  = 58.3g/mol

 Mass of Mg(OH)₂ = 2.5 x 58.3  = 145.8g

3 0
2 years ago
What is the difference between a carnivore and a herbivore?? ​
agasfer [191]

meat-eating carnivores have teeth for tearing and skulls capable of biting with great force, while the plant-eating herbivores have teeth and skulls equipped to grind tough vegetation

6 0
3 years ago
Read 2 more answers
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