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neonofarm [45]
2 years ago
14

MgCl2 + NH4NO3 --> Mg NO3 + NH4Cl is this a double replacement reaction?

Chemistry
1 answer:
Marysya12 [62]2 years ago
4 0

Answer:

The answer to your question is Yes, it is a double replacement reaction

Explanation:

General equation of a double replacement reaction

                         AB  +  CD   ⇒   AD  +   BC

In a double replacement reaction, the cation of a compound is interchanged with the cation and another compound and also the anions are interchanged. The reaction given has the characteristics of a double replacement reaction.

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I am a metalloid. I have 7 valence electrons. I have 6 energy levels.
Alexxx [7]
1 electron Bc of the electron you have
3 0
3 years ago
Water is placed in a graduated cylinder and the volume is recorded as 43.5 mL. A homogeneous sample of metal pellets with a mass
Ipatiy [6.2K]

Answer:

1.8g

Explanation:

Initial volume = 43.5ml

Final volume = 49.4ml

Mass = 10.88g

Density = ?

Volume = Final volume - initial volume

= 49.4 - 43.5

= 5.9ml

Density = Mass/volume

Density = 10.88/5.9

= 1.8g/ml

4 0
3 years ago
The theoretical yield of Cl2 from certain starting amounts of MnO2 and HCl was calculated as 60.25 g and 65.02 g, respectively.
user100 [1]

Answer:

c    43.38 g

Explanation:

The reaction  between MnO2 and HCl can be represented by the following balanced equation:

MnO2 + HCl ---> Cl2 + MnCl2 + H2O

From the balanced equation, the theoretically required molar ratio of MnO2 to HCl is 1:1, therefore the yields would have been expected to be equal.  

For the fact that HCl  gives a higher yield (65.02g) than MnO2 (60.25g) according to the problem statement, HCl should be in excess,  while the limiting reagent should be MnO2 .  

Thus, the theoretical yield of Cl2 will be  60.25 g.

By definition, the percentage yield is given by

% Yield = (Actual Yield) / (Theoretical Yield),  

This can be simplified to

Actual Yield = % Yield * Theoretical Yield

Plugging in the given values we have

Actual Yield = 72% *  60.25 = 43.38 g

5 0
3 years ago
Is neon a metal, nonmetal , or metalloid
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It is a Nonmetal and a Nobel Gas
8 0
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_______A representative element in the fourth period that is an alkaline earth
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Answer:calcium

Explanation: calcium is an alkaline earth metal,group 2 period 4

4 0
3 years ago
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