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garri49 [273]
2 years ago
10

Which organism does not have a tail or black hair​

Chemistry
1 answer:
Anarel [89]2 years ago
8 0
A cricket or an octopus
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How many electrons are transferred during the formation of one molecule of al2o3?
lukranit [14]
Answer:
            Six electrons are transferred in the formation of Al₂O₃.

Explanation:
                   Aluminium metal and Oxygen react to form Al₂O₃ as,

                                2 Al  +  3/2 O₂    →    Al₂O₃

Oxidation number of Al on left hand side is zero, while than on right hand side in Al₂O₃ is +3. Means it has lost 3 electrons per one atom and six electrons per two atoms. Also, the oxidation number of O at left hand side in O₂ is zero, while that in Al₂O₃ it is -2 per atom and -6 per 3 atoms. 

So, two Al atoms have lost 6 electrons and 3 O atoms have gained six electrons.
4 0
3 years ago
Is each of the following a physical or chemical property? ● melting point ● ability to react ● color ● density ● ability to burn
ryzh [129]
These are definitely chemical properties
5 0
3 years ago
The vapor pressure of dichloromethane, c h 2 c l 2 , at 0 ∘ c is 134 mmhg . the normal boiling point of dichloromethane is 40. ∘
sladkih [1.3K]
<span> the </span>vapor pressure<span> of the liquid at a temperature T</span>2<span> ... Now, </span>it's<span> important to realize that the </span>normal boiling point<span> of a substance is measured at an atmoshperic ... ΔHvap=−ln(</span>134mmHg760mmHg<span> )⋅8.314J mol−1K−1 (1(273.15+</span>0)−1(273.15+40))K−1 ... Give equations that can be used tocalculate<span> the .

Now try it yourself :)</span>
8 0
3 years ago
Look at the model below. Which formula is best represented by this model?​
Olenka [21]
The third answer because there are two of each atom
6 0
2 years ago
In what ways can geographic position be considered a temperature control?
Lesechka [4]

Near water, change in elevation, or change in latitude.

4 0
3 years ago
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