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suter [353]
3 years ago
8

Give reasons.

Chemistry
2 answers:
shutvik [7]3 years ago
8 0

Answer:

Answer refer to the above attachment .

Bcoz some words are unable to answer .

kvv77 [185]3 years ago
3 0

Answer:

a).As carnivores, the shape and size of their jaws and teeth are designed to help them tear and shred their prey.

b).Some monkeys have long prehensile tails. ... Fully prehensile tails can be used to hold and manipulate objects, and in particular to aid arboreal creatures in finding and eating food in the trees.

c).Unlike other birds, penguins do not have hollow bones. Their bones are comparatively heavy, filled and solid which helps penguin to swim under water rather then fly in the air. ... Heavy bones in penguin help them swim in water and stay under water.

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Calculate the amount of oxygen gas collected by the displacement of water at 14◦C if the atmospheric pressure is 790 Torr and th
zhannawk [14.2K]

Answer : The amount of oxygen gas collected are, 0.217 mol

Explanation :

Using ideal gas equation :

PV=nRT

where,

P = pressure of gas = (790-12)torr=778torr=1.02atm     (1 atm = 760 torr)

V = volume of gas = 5 L

T = temperature of gas = 14^oC=273+14=287K

n = number of moles of gas = ?

R = gas constant  = 0.0821 L.atm/mol.K

Now put all the given values in the ideal gas equation, we get:

(1.02atm)\times (5L)=n\times (0.0821L.atm/mol.K)\times (287K)

n=0.217mole

Thus, the amount of oxygen gas collected are, 0.217 mol

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The amount of dissolved salt in water is know as
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