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Illusion [34]
3 years ago
13

Question 7-Which of the following is not an acid-base neutralization reaction?

Chemistry
2 answers:
docker41 [41]3 years ago
7 0

Answer:- It is choice D. H_2SO_4+2NaCl\rightarrow 2HCl+Na_2SO_4

Explanations:- In general, a neutralization reaction is the reaction of an acid with base to form salt and water.

in first reaction the reaction is taking place between ammonia(a base) and hydrochloric acid(an acid) to form their salt(ammonium chloride). So, it is an acid-base neutralization reaction.

In second reaction, sodium hydroxide(a base) is reacting with acetic acid(an acid) to form their salt(sodium acetate) and water. So, it is an acid-base neutralization reaction.

In third reaction, Nitric acid is reacting with calcium hydroxide(a base) to form a salt(calcium nitrate) and water. So, it is an acid-base neutralization reaction.

In fourth reaction, sulfuruc acid is reacting a sodium chloride(a salt) to give a double replacement reaction. It is not an acid-base neutralization reaction as it's not taking place between an acid and base.

So, the correct choice is D. H_2SO_4+2NaCl\rightarrow 2HCl+Na_2SO_4

lesya692 [45]3 years ago
6 0
H2SO4<span> + 2NaCl </span><span> 2HCl + Na</span>2SO<span>4</span>
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For the reaction CH4 +202 – CO2 + 2H20, how many
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Explanation:

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3 years ago
Write a balanced equation showing how this nucleus decays to form an α particle: thorium−230.
Ostrovityanka [42]
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6 0
2 years ago
Calculate ∆U (the change in internal energy) for a system on which 850.00
Illusion [34]

Answer:

The heat gain by the system,

q

=

−

250

kJ

.

The work done on the system ,

w

=

−

500

kJ

.

The First Law of Thermodynamics state that

Δ

U

=

q

+

w

=

−

750

kJ

Explanation:

6 0
2 years ago
It takes 167 s for an unknown gas to effuse through a porous wall and 99 s for the same volume of n2 gas to effuse at the same t
irakobra [83]

Answer : The molar mass of the unknown gas will be 79.7 g/mol


Explanation : To solve this question we can use graham's law;


Now we can use nitrogen as the gas number 2, which travels faster than gas 1;

So, 167 / 99 = 1.687 So the nitrogen gas is 1.687 times faster that the unknown gas 1

We can compare the rates of both the gases;


So here, Rate of gas 2 / Rate of gas 1 = \sqrt{(molar mass 1 / molar mass 2)}

Now, 1.687 = square root [\sqrt{(molar mass 1) / (28.01 g/mol N_{2})} ]


When we square both the sides we get;


2.845 = (molar mass 1) / (28.01 g/mol N2)


On rearranging, we get,


2.845 X (28.01 g/mol N2) = Molar mass 1

So the molar mass of unknown gas will be = 79.7 g/mol

3 0
3 years ago
What is the formula of lead nitrate​
monitta

Answer: Pb(NO3)2

Explanation:

5 0
3 years ago
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