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yaroslaw [1]
3 years ago
6

WHAT IS THE CHEMICAL REACTION

Chemistry
1 answer:
lidiya [134]3 years ago
3 0

Answer:

hi

Explanation:

Chemical reactions are an integral part of technology, of culture, and indeed of life itself. Burning fuels, smelting iron, making glass and pottery, brewing beer, and making wine and cheese are among many examples of activities incorporating chemical reactions that have been known and used for thousands of years. Chemical reactions abound in the geology of Earth, in the atmosphere and oceans, and in a vast array of complicated processes that occur in all living systems.

-facts

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Please choose a claim and then answer the question below please ty I would appreciate it!
Arte-miy333 [17]

Answer:

Claim 1

Explanation:

I chose this claim because I believe that when the plates under the earth move or shift, that's what causes an earthquake and when everything starts to shake. If it was the other way around there wouldn't be any reason for an earthquake to start.

hope that helped :)

7 0
3 years ago
Read 2 more answers
Give all possible ml values for orbitals that have each of the following: (a) l = 3; (b) n = 2; (c) n = 6, l = 1.
larisa86 [58]

Answer : All possible values of 'ml' for the following orbitals are:

(a) At l = 3,  m_l=+3,+2,+1,0,-1,-2,-3

(b) l = 0, 1

At l = 0,  m_l=0

At l = 1,  m_l=+1,0,-1

(c) At l = 1,  m_l=+1,0,-1

Explanation:

There are 4 quantum numbers :

Principle Quantum Numbers : It describes the size of the orbital. It is represented by n. n = 1,2,3,4....

Azimuthal Quantum Number : It describes the shape of the orbital. It is represented as 'l'. The value of l ranges from 0 to (n-1). For l = 0,1,2,3... the orbitals are s, p, d, f...

Magnetic Quantum Number : It describes the orientation of the orbitals. It is represented as m_l. The value of this quantum number ranges from (-l\text{ to }+l). When l = 2, the value of m_l will be -2, -1, 0, +1, +2.

Spin Quantum number : It describes the direction of electron spin. This is represented as m_sThe value of this is +\frac{1}{2} for upward spin and -\frac{1}{2} for downward spin.

(a) l = 3 then the value of 'ml' is,

At l = 3,  m_l=+3,+2,+1,0,-1,-2,-3

(b) n = 2 then the value of 'ml' is,

l = 0, 1

At l = 0,  m_l=0

At l = 1,  m_l=+1,0,-1

(c) n = 6 and l = 1 then the value of 'ml' is,

n = 6

l = 0, 1, 2, 3, 4, 5

At l = 1,  m_l=+1,0,-1

6 0
4 years ago
According to VSEPR theory what causes molecular shapes to form?
iogann1982 [59]

Answer:

C: the repulsion of electrons and electrons.

Explanation:

According to the VSEPR theory, molecular shapes adjust so that the electrons can be as far apart as possible due to electrons repelling each other, which would mean the only possible answer is C.

5 0
3 years ago
How do I solve this?
Oliga [24]

Answer:

The heat contained is 1236 Joules

Explanation:

As we know

Q = mc\DeltaT

Where

\DeltaT is the change in temperature

m is the mass in grams

c is the specific heat of water (ice) = 2.06 joules/gram

Substituting the given values, we get -

Q = 20 * (-15+45)*2.06\\Q = 20*2.06*30\\Q = 1236Joules

6 0
3 years ago
If you have 8.5 moles of Al2(SO4)3 how many grams of the compound<br> do you have?
Zepler [3.9K]

Answer:

RFM \: of \: aluminium \: sulphate = (2 \times 27) + (32 + (16 \times 4)) \times 3 \\  = 294 \\ 1 \: mole \: weighs \: 294 \: g \\ 8.5 \: moles \: weigh \: (8.5 \times 294) \: g \\  = 2499 \: g

5 0
3 years ago
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