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Nataliya [291]
3 years ago
14

The equation for the reaction is

Chemistry
1 answer:
photoshop1234 [79]3 years ago
6 0

Answer:

carbon deoxide

Explanation:

Because at the end of equation you can see CO2

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Mg + 2HCl --> H2 + MgCl2 How many moles of H2 will form from 20 moles of HCl
Strike441 [17]
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Basically, you will want to cross product your 20 moles of HCl with the number of moles in your H2 (so 1), with that and the number of moles in the HCl (2), you will find that 10 moles of H2 will form from 20 moles of HCl
4 0
2 years ago
Suggest an experimental method for measuring the change in concentration with time for each of the following reactions:(b) 2NO(g
USPshnik [31]

The experimental method for measuring the change in concentration with time for the given reaction is by measuring the amount of gas a reaction releases over time.

2NO(g) + Cl₂(g) → 2NOCl(g)

<h3>What is reaction rate?</h3>
  • The reaction rate is the rate at which a chemical reaction proceeds.
  • Which is proportional to both the increase in a product's concentration per unit time and the decrease in a reactant's concentration per unit time.
  • There is a wide range in reaction times.
  • The general definition is that the term "rate of a reaction" refers to the pace at which a reaction occurs.
  • As an illustration, iron rusting has a low reaction rate since the process is slow but wood burning has a high reaction rate because the process is quick.

Learn more about reaction rate here:

brainly.com/question/13440548

#SPJ4

7 0
1 year ago
Calculate the ph of a 0.40 m solution of sodium benzoate (nac6h5coo) given that the ka of benzoic acid (c6h5cooh) is 6.50 x 10-5
asambeis [7]
Hello!

The dissociation reaction for Benzoic Acid is the following:

C₆H₅COOH + H₂O ⇄ C₆H₅COO⁻ + H₃O⁺

The Ka expression is the following and we clear for the concentration of H₃O⁺(X) assuming that the dissociation is little so we can rule it out in the denominator of the equation:

Ka= \frac{[C_6H_5COO^{-}]*[H_3O^{+}] }{[C_6H_5COOH]}=\frac{X*X }{0,40 -X}  (assume: 0,40-X\approx0,40)\\  \\ X= \sqrt{0,40*6,50*10^{-5} }=0.00510M \\  \\ pH=-log([H_3O^{+}]=2,29

So, the pH of this Benzoic Acid solution is 2,29

Have a nice day!


3 0
3 years ago
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