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allochka39001 [22]
3 years ago
13

Why do the aquatic plants not break down by water current?

Chemistry
1 answer:
Lelechka [254]3 years ago
6 0
Leaves of aquatic plants are covered by a waxy cuticle which does not allow the water to wet them.
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Elements x and y form 2 binary compounds. In the first 14.0 g of x combines with 3.0 g of y. In the second, 7.00 g of x combine
Roman55 [17]

second compound

Let molar mass of x is = X

Let molar mass of y is = Y

Moles of x in second compound = Mass / molar mass = 7 / X

Moles of y in second compound = Mass / molar mass = 4.5 / Y

For second compound  

7 / X : 4.5/ Y = 1:1

Therefore

X / Y = 7/4.5

Y / X = 4.5/ 7

The mass of x in first compound = 14g

moles of x in first compound = 14/X

Mass of y in first compound = 3

moles of y in first compound = 3 / Y

14 / X : 3/ Y = 14Y / 3X = 14 X 4.5 / 3 X 7 = 3 :1

Thus molar ratio in first compound = moles of x / Moles of y = 3:2

Formula = x3y

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 <span>Ka is an equilibrium constant for the partial ionization of "weak" acids in water.</span>
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Newton's first law is the answer.
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N2 + 3H2 ----> 2NH3 

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