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2 years ago

An ion can be created when a .................... is lost or gained by an element.

Chemistry

1 answer:

AlexFokin [52]2 years ago

5 0

Answer:

electron and ignore this woejdnks

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A classroom has a volume of 278 m3. What is its volume in<br> km3

Tcecarenko [31]

1 m = 0,001 km
1m³ = 0,000000001 km³

278 m³ = 0,000000278 km³ = 2,78×10^(-7) km³

:•)

3 0

3 years ago

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Zinc metal is produced by heating solid zinc sulfide with solid wine witte resulting in liquid zinc and sulfur dioxide gas Write

elena-s [515]

Answer:

The balance chemical equation can be given as:

$ZnS(s)+ZnSO_4(aq)\overset{heat}\rightarrow 2Zn(s)+2SO_2(g)$

Explanation:

When zinc sulfide is allowed to react with zinc sulfate it gives zinc metal and sulfur dioxide gas as a product.The balance chemical equation can be given as:

$ZnS(s)+ZnSO_4(aq)\overset{heat}\rightarrow 2Zn(s)+2SO_2(g)$

According to reaction we can see when 1 mol of zinc sulfide reacts with 1 mol of zinc sulfate it forms 2 moles of zinc metal and 2 moles of sulfur dioxide gas.

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3 years ago

Helppppppppppppppppppppppppp

sergey [27]

Answer:

lose 1 2+

Explanation:

I honestly don't know

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3 years ago

What can a drop of liquid mercury be described as?

Tomtit [17]

A drop of iquid mercury is D. <span> a pure substance and an element. This is because mercury is an element which exists as liquid in the normal or standard conditions. It is a metal that is toxic to all environments. It is pure because it is composed only of one kind of substance.</span>

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3 years ago

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Isocyanic acid, also known as Hydrogen cyanate, is a weak acid and a potentially toxic atmospheric pollutant. Write down the equ

densk [106]

The dissociation of isocyanic acid in water produces its conjugate base, C N- since it will accept a proton to form isocyanic acid.

<h3>What is a conjugate base?</h3>

A conjugate base is a substance which is formed from the loss of the hydrogen ion of an acid and which will act as a base by accepting a proton.

The dissociation of Isocyanic acid in water is given below:

$HC N + H_2O \rightleftharpoons C N^{-} + H_3O^{+}$

The conjugate base is C N- since it will accept a proton to form isocyanic acid.

Learn more about conjugate base at: brainly.com/question/22514615

#SPJ1

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2 years ago