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swat32
3 years ago
5

What causes the lithospheric plates to move

Chemistry
2 answers:
Charra [1.4K]3 years ago
7 0

Answer:

The heat from the Earth's cores radioactive process makes the lithospheric plates move sometimes away or toward each other.

Hope it helps :)

SVETLANKA909090 [29]3 years ago
3 0

Answer:

convection currents in the mantle

Explanation:

Convection currents in the mantle are always moving, and make the plates move too. The plates are resting on top of the mantle, which is where the convection currents are, which make them move along with the magma.

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A compound consisting of B, N, and H undergoes elemental analysis. The % composition by mass is found to be 40.28% B, 52.20% N,
swat32

Empirical formula is the simplest ratio of components making up a compound.

The percentage composition of each element has been given

therefore the mass present of each element in 100 g of compound is

                      B                                   N                         H

mass          40.28 g                         52.20 g                 7.53 g

number of moles  

                 40.28 g / 11 g/mol      52.20 g / 14 g/mol    7.53 g / 1 g/mol

                = 3.662 mol                  = 3.729 mol             = 7.53 mol

divide the number of moles by the least number of moles, that is 3.662

                3.662 / 3.662              3.729 / 3.662              7.53 / 3.662

               = 1.000                           = 1.018                        = 2.056

the ratio of the elements after rounding off to the nearest whole number is

B : N : H = 1 : 1 : 2

therefore empirical formula for the compound is B₁N₁H₂          

that can be written as BNH₂    

3 0
3 years ago
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