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Nuetrik [128]
3 years ago
12

Which best describes Earth's magnetic field lines?

Chemistry
1 answer:
STatiana [176]3 years ago
6 0

Answer:

The field lines go out of Earth near Antarctica, enter Earth in northern Canada, and are not aligned with the geographic poles.

Explanation:

The two poles North pole and South pole of the earth are distinct from the magnetic north pole and south pole of the earth. The magnetic north pole is the point from where the magnetic field of the Earth points downwards in the vertical direction. There is a gradual change in the magnetic poles with the passing of the time. The magnetic fields have an extension from the interior of the Earth to the outer space.

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When the equation 
galina1969 [7]

Answer:

The least whole number coefficient for HNO₃ is 6

Explanation:

The chemical equation above is the reaction between calcium orthophosphate and nitric acid.

To balance a chemical equation, we have to consider law of conservation of matter which states that matter can neither be created nor destroyed.

What this law implies is that, whatever we have at the reactant side must be equal to whatever is obtainable at the product side.

The above equation is

Ca₃(PO₄)₂ + HNO₃ → Ca(NO₃)₂ + H₃PO₄

To balance the equation, we'll have to check the number of atoms at each side and possibly balance the equation with the number of moles.

The balanced equation is

Ca₃(PO₄)₂ + 6HNO₃ → 3Ca(NO₃)₂ + 2H₃PO₄

From the balanced equation above, we can see that the number of calcium (Ca), Phosphorus (P), Oxygen(O), Nitrogen(N) and hydrogen (H) are balanced at both sides of the equation.

The least number coefficient for HNO₃ is 6

3 0
3 years ago
According to periodic trend, which of the following most likely has the highest ionization energy? Be B Ne O
jarptica [38.1K]

Answer:

Ne

Explanation:

8 0
4 years ago
Read 2 more answers
A certain compound is made up of one phosphorus (P) atóm, three chlorine (CI) atoms and one oxygen (O) atom what is the chemical
snow_lady [41]
POCl3 is the chemical formula of this compound. Also known as <span>Phosphoryl chloride.</span>
5 0
3 years ago
Write the formula for a complex formed between fe3 and ethylenediamine (nh2ch2ch2nh2), with a coordination number of 6.
Mandarinka [93]

We have to get the formula of the complex formed between Fe³⁺ and ethylenediamine.

The formula of the complex is: [Fe(<em>en</em>)₃]³⁺, where, <em>en</em> is abbreviation of ethylenediamine.

Ethylenediamine (<em>en</em>) is a bidentate ligand as it contains two donating sites (-NH₂ groups). Three ethylenediamine co-ordinate to central metal ion, Fe³⁺ and forms [Fe(<em>en</em>)₃]³⁺ with a co-ordination number of six.



6 0
4 years ago
Read 2 more answers
A commierical package contain thirty-six 200 mg tablets of ibuprofen. How many kg of ibuprofen were used in the manufacture of 1
oee [108]

Answer:

7.2 gm or 0.0072 Kg

Explanation:

Let k be the kg of packets that are to be used.

36 X 200 mg = 1000 X k

=> k = 7.2 gm.

7 0
3 years ago
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