3 years ago

Plants and animals are what components ?

Chemistry

2 answers:

Sliva [168]3 years ago

7 0

Answer:

things that are living.

worty [1.4K]3 years ago

5 0

Answer: two of the components of the ecosystem including non-living things as well ;)

Explanation:

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xeze [42]

Answer:

Explanation:

Ratio of mass of C , N , H and O

= .8007 :0.9333:0.2016:2.133

Ratio of moles of C , N , H and O

= .8007/12 : .9333 / 14 : 0.2016 / 1 : 2.133/16

= .0667 : .0667: .2016 : .1333

= .0667 / .0667 : .0667 / .0667 : .2016 /.0667 : .1333 / .0667

= 1 : 1 : 3: 2

Hence empirical formula = CNH₃O₂

7 .

Weight of titanium Ti = 1.916 g

Weight of oxygen = 3.196 - 1.916 = 1.28 g

Ratio of weight of Ti and O

= 1.916 : 1.28

Ratio of moles of Ti and O

1.916/48 : 1.28/16 [ Molecular weight of Titanium is 48 ]

= .04 : .08

= .04/.04 : .08/.04

= 1 :2 .

Empirical formula

TiO₂

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2 years ago

A puddle of water on the sidewalk evaporates and becomes water vapor. the water vapor travels through the air and comes into con

Shtirlitz [24]

2. it becomes a liquid
4. its molecules lose energy

The change in state is due to the loss of energy.

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3 years ago

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Electrons and the Periodic Table

White raven [17]

Answer:

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3 years ago

Determine the molar solubility of pbso4 in pure water. ksp (pbso4) = 1.82 x 10-8.

Misha Larkins [42]

Use the ICE table approach as solution:

PbSO₄ --> Pb²⁺ + SO₄²⁻
I - 0 0
C - +s +s
E - s s

Ksp = [Pb²⁺][SO₄²⁻]
1.82×10⁻⁸ = s²
Solving for s,
s = <em>1.35×10⁻⁴ M</em>

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3 years ago

Adding solvent or removing solute from a soltuion is called __________, and a solution is said to be _______________ if it has m

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Adding solvent or removing solute from a solution is called diluting. And a solution is said to be concentrated if it has more solute. The opposite of diluting is called concentrating. The measure of the amount of solute in a solution is expressed in concentration.

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2 years ago