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alukav5142 [94]
3 years ago
11

1. 13mg or 1cg

Chemistry
1 answer:
katrin2010 [14]3 years ago
7 0
10cg = 100 mg
1000g =1kg
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A piece of copper metal is dipped into an aqueous solution of AgNO3. Which net ionic equation describes the reaction that occurs
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Answer:

Cu(s)+2Ag^+(aq) \rightarrow 2Ag(s)+Cu^{2+}(aq)

Explanation:

When copper metal is dipped into an aqueous solution of AgNO_3, copper nitrate (Cu(NO_3)_2) is formed. This is type of displacement reaction because copper metal displaces silver from its salt. As only one ion is being displaced, therefore, it is a single displacement reaction.

Copper displaces silver as it is more reactive than silver. This can be confirmed by position of copper and silver in reactivity series. Elements above in the reactive series displaces elements present below from their salts.

The molecular equation is as follows:

Cu(s)+2AgNO_3(aq) \rightarrow 2Ag(s)+Cu(NO_3)_2(aq)

Now, write the ionic equation as follows:

Cu(s)+2Ag^+(aq)+2NO_3^-(aq) \rightarrow 2Ag(s)+Cu^{2+}(aq)+2(NO_3)(aq)

Cancel the common terms,

Cu(s)+2Ag^+(aq) \rightarrow 2Ag(s)+Cu^{2+}(aq)

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Two chemicals A and B are combined to form a chemical C. The rate, or velocity, of the reaction is proportional to the product o
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40 grams.

Explanation:

If 20 grams of C is formed from the combination or reaction of A and B chemicals in 10 minutes, 40 grams of C is formed in 20 minutes because the time is doubled so the concentration of C chemical is also doubled. If the time  is increased further, more concentration of C chemical is produced until the amount of chemicals A and B are present. If we put an enzyme in the solution, the time of the reaction can be reduced.

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The skeletal structure in line-angle (line-bond) mode of 2,3,3,5-tetramethylhexane is shown. Identify the number of hydrogen ato
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Answer:

There are 22 hydrogen in 2,3,3,5-tetramethylhexane (C10H22)

From the left to the right of the skeletal structure:

1st Main Carbon = 3 hydrogen

2nd Main Carbon = 1 hydrogen

1st Branch Carbon = 3 hydrogen

3rd Main Carbon = 2 hydrogen

2nd Branch Carbon = 3 hydrogen

3rd Branch Carbon = 3 hydrogen

4th Main Carbon = 0 hydrogen

4th Branch Carbon = 3 hydrogen

5th Main Carbon = 1 hydrogen

6th Main Carbon = 3 hydrogen

Total = 22 hydrogen

Explanation:

This is the skeletal formula for 2,3,3,5-tetramethylhexane - the 2D chemical structure. It is an organic compound. The carbon atoms in the structure are known as the carbon backbone. The hydrogen atoms are linked to the carbon backbone. This provides each carbon atom with four bonds.

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Where is this gas produced? help ASAP
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Explanation:

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