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Phoenix [80]
3 years ago
6

Two students pull a box with force of 100 N to the left and 200 N to the right.

Chemistry
1 answer:
laiz [17]3 years ago
7 0

Answer:

net force is 100 N and direction is right

Explanation:

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Leno4ka [110]

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5) This is a fact.

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9) The correct option is the explanation.

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2 years ago
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Aliun [14]

Note the formula

\boxed{\sf Mass\:no=No\:of\:protons+No\:of\:neutrons}

For X:-

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\\ \sf\longmapsto 19-10=9protons

  • It is Fluorine.

For Y:-

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\\ \sf\longmapsto 16-8=8protons

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2 years ago
The amount of disorder in a system is measured by it's:
dusya [7]
The amount or disorder in a chemical system or system is measured by it's Entropy. Entropy is the simply the measure of the amount of disorder or lack of structure present within a system.
3 0
3 years ago
Write the TOTAL IONIC EQUATION between zinc and hydrochloric acid.
Andreyy89

Answer : The net ionic equation will be,

Zn(s)+2H^+(aq)\rightarrow Zn^{2+}(aq)+H_2(g)

Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The balanced ionic equation between zinc and hydrochloric acid will be,

Zn(s)+2HCl(aq)\rightarrow ZnCl_2(aq)+H_2(g)

The ionic equation in separated aqueous solution will be,

Zn(s)+2H^+(aq)+2Cl^-(aq)\rightarrow Zn^{2+}(aq)+2Cl^-(aq)+H_2(g)

In this equation, Cl^- is the spectator ion.

By removing the spectator ion from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

Zn(s)+2H^+(aq)\rightarrow Zn^{2+}(aq)+H_2(g)

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3 years ago
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sergey [27]

Explanation:

Here's what I came up with :)

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3 years ago
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