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Cloud [144]
3 years ago
12

Flourine is more reactive than chlorine . why ? with short reason. ​

Chemistry
1 answer:
Talja [164]3 years ago
7 0

Answer:

Electronegativity is probably the biggest thing that plays into reactivity. Therefore, since fluorine has a higher electronegativity than chlorine, fluorine is more reactive.

Explanation:

I got it right

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The reaction between aluminium powder and iron(III) oxide is used in the rail industry. a. i) write a word equation and a balanc
Phantasy [73]

2Al + Fe2O3 ——-> Al2O3 + 2Fe

This is a single displacement reaction

5 0
3 years ago
The potential difference across the terminals of a battery of e.m.f. 12 V and internal resistance 2 ohm drops to 10 V when it is
lesantik [10]

Explanation:

The given data is as follows.

      E.m.f = 12 V,        Voltage = 10 V,        Resistance = 2 ohm

Hence, calculate the current as follows.

          I = \frac{E - V_{t}}{r_{int}}

Putting the given values into the above formula as follows.

         I = \frac{E - V_{t}}{r_{int}}

           = \frac{12 - 10}{2}

           = 1 A

Atomic weight of copper is 63.54 g/mol. Therefore, equivalent weight of copper is \frac{M}{2}.

That is,          \frac{M}{2}

                = \frac{63.54 g/mol}{2}

Hence, electrochemical equivalent of copper is as follows.

                   Z = (\frac{E}{96500}) g/C

                       = (\frac{63.54 g/mol}{2 \times 96500}) g/C

                       = 3.29 \times 10^{-4} g/C

Therefore, charge delivered from the battery in half-hour is calculated as follows.

                     It = Q

                       = 1 \times \frac{1}{2} \times 60 times 60  

                       = 1800 C

So, copper deposited at the cathode in half-an-hour is as follows.

                     M = ZQ

                = 3.29 \times 10^{-4} g/C \times 1800 C

                = 0.5927 g

Thus, we can conclude that 0.5927 g of copper is deposited at the cathode in half an hour.

8 0
3 years ago
Question 10 of 10
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d 1 1/2 oz.. of 80-proof liquor

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3 years ago
given the mass lost during the reaction when the alka seltzer is the limiting reagent and that the molar mass of carbon dioxide
Vadim26 [7]
Alka-seltzer is an effervescent antacid which neutralizes the acid of the stomach by generating CO2. The chemical formula of alka-seltzer is C16H17NaO14. In this case, if we are given the mass of the antacid used, then by stoichiometry, mass alka-seltzer * (1/ molar mass of alk-selz) * (1 mol Co2 / 1 mol alk-seltz) * (44 g/molCo2). That is how you get the mass of Co2 produced.
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3 years ago
The solubility of three compounds in water is shown in the table above. What best explains the observations shown in the table?
kotegsom [21]

Answer:

D) Lead (II) hydroxide is least soluble because the hydroxide ions in water decrease the dissociation of the ions due to the common ion effect.

Explanation:

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