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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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Which branch of chemistry is most likely to involve the study of the earths crust
stepan [7]
I'm pretty sure it's organic chemistry.
5 0
2 years ago
Melamine is used for making
vodomira [7]

Answer:

Melamine is used for making tableware,cooking utensils, plates, plastic products etc.

Explanation:

Melamine is used to manufacture many products. How? Well melamine-formaldehyde resin, as it's full name, forms molecular structures that are molded, with heat, to take the shape of the items such as tableware.

After this chemical reaction takes place, the "left over" remains as plastic.

_________________________________________________

And so, it is used in products such as cooking utensils, plates, plastic products etc.

3 0
3 years ago
Help I. have until 11:59 to hand it in ​
Sedbober [7]

This chemical reaction can also be written as

2C2H6+7O2-->4CO2+6H2O

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8 0
2 years ago
If 45.0 mL of a 0.0500 M HNO3, 10.0 mL of a 0.0500 M KSCN, and 30.0 mL of a 0.0500 M Fe(NO3)3 are combined, what is the initial
jeka94

Answer:

the  initial concentration of SCN- in the mixture is 0.00588 M

Explanation:

The computation of the initial concentration of the SCN^- in the mixture is as follows:

As we know that

KSCN \rightarrow K^ + SCN^-

As it is mentioned in the question that KSCN is present 10 mL of 0.05 M

So, the total milimoles of SCN^- is

= 10 × 0.05

= 0.5  m moles

The total volume in mixture is

= 45 + 10 + 30

= 85 mL

Now the initial concentration of the SCN^- is

= 0.5 ÷ 85

= 0.00588 M

hence, the  initial concentration of SCN- in the mixture is 0.00588 M

5 0
3 years ago
A force can exist between two charged particles or objects even if they're as small as subatomic particles. between which of the
murzikaleks [220]
D. a and b because same-charged particles repel each other
8 0
3 years ago
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