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IgorLugansk [536]
2 years ago
9

When looking up at the clouds, you can usually make out different shapes and figures with _____. cumulus clouds stratus clouds c

irrus clouds altostratus clouds
Desert climates can have very hot days and very cold nights. This is because _____. there is usually cloud coverage there is usually a clear sky there is usually precipitation there is usually hot or cold wind
Chemistry
1 answer:
MAXImum [283]2 years ago
4 0
The answer to the question stated above is cumulus clouds. 
<span>When looking up at the clouds, you can usually make out different shapes and figures with  cumulus clouds.
</span>Cumulus <span>low-level clouds. They </span>are the puffy, white, cotton-top clouds that look so soft. 
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What is the charge of phosphate in AlPO4?
Dennis_Churaev [7]

The charge of phosphate : 3-

<h3>Further explanation</h3>

Oxidation is an increase in oxidation number, while reduction is a reduction in oxidation number.

The formula for determining Oxidation Numbers in general:

1. Single element atomic oxidation number = 0.

Group IA (Li, Na, K, Rb, Cs, and Fr): +1

Group IIA (Be, Mg, Ca, Sr and Ba): +2

Group IIIA(Al, B) : +3

H in compound = +1, except metal hydride compounds (Hydrogen which binds to groups IA or IIA) oxidation number H = -1, for example, LiH, MgH₂, etc.

2. Oxidation number O in compound = -2, except OF2 = + 2 and in peroxide (Na₂O₂, BaO₂) = -1 and superoxide, for example KO₂ = -1/2.

3 The oxidation number in an uncharged compound = 0,

Total oxidation number in ion = ion charge, Example NO₃⁻ = -1

Compound AlPO₄ :

The oxidation number in an uncharged compound = 0

Since the charge of Al as group 3A (or group 13) is +3, while the AlPO₄ compound is a polyatomic compound (consisting of polyatomic ions PO₄ and Al), the PO₄ charge:

charge Al + charge PO₄ = 0

+ 3 + charge PO₄ = 0

<em>charge PO₄ = -3</em>

6 0
2 years ago
How many millimeters of 12 M HCI will be needed to create a 250-ML solution of 2 HCI?
Anestetic [448]
Call what you have to find is x
nHCl/V=12M 
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6 0
3 years ago
What is the nature of the P-O bond in phosphorus pentoxide (P2O5)?
Bad White [126]
Correct Answer: option B. moderately polar covalent 

Reason: 
Both phosphorus and oxygen are non-metals, and hence they are bonded by covalent bonds. Furthermore, the electro negativity of P and O is 2.1 and 3.5 respectively. The difference in electro negativity is 1.4. Due to the difference in electro negativity, nature of the P-O bond in phosphorus pentoxide (P2O5) is moderately polar covalent.
3 0
3 years ago
Read 2 more answers
How many moles are in 33 grams of Boron (B)?
azamat

Answer:

2.77495 moles

Explanation:

Boron= 10.811g (according to periodic table)

33g*\frac{1mole}{10.811g B}=2.774951 moles B

7 0
2 years ago
What is the pH of a 2.6x10^-9 M H+ solution?
Maslowich

Explanation:

Answer. Ernest Z. The pH is 6.99.

8 0
3 years ago
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