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devlian [24]
2 years ago
6

Write a word equation for the following reactions. You must indicate whether each substance is a solid, liquid, gas, or solution

.
a. sodium carbonate solution reacts with silver nitrate solution.
b. potassium carbonate solution reacts with nitric acid (hydrogen nitrate) solution.
c. barium nitrate solution reacts with potassium chromate solution.
Chemistry
1 answer:
german2 years ago
7 0

A word equation is one that is written in words rather than using the normal symbols of the elements that are involved.

<h3>What is a word equation?</h3>

A word equation is one that is written in words rather than using the normal symbols of the elements that are involved. In this case we are asked to write the word equation for certain reactions and the states of matter of each of the terms in the reaction must be stated.

The word equations are as follows;

  • sodium carbonate solution(aq) +  silver nitrate solution(aq) ----> sodium nitrate(aq) + silver carbonate(aq)
  • potassium carbonate solution(aq) + nitric acid (hydrogen nitrate) solution(aq) -----> potassium nitrate(aq) + water(l) + carbon dioxide
  • barium nitrate solution (aq)+  potassium chromate solution(aq) -----> potassium nitrate (aq) + barium chromate (s)

Learn more about reaction equation:brainly.com/question/3588292

#SPJ1

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Buffer solution is made up of weak acid or base with its conjugate salt. It resists the change in pH of the solution. When acid or base is added to the buffer solution, the pH gets stabilized but the direction of reaction is opposite. Thus, the reaction is same but the one moves backward and other moves in forward direction.

A buffer solution can be defined as:

HA +NaA

Here, NaA is in dissociated form as follows:

NaA\rightarrow Na^{+}+A^{-}

when acid is added it reacts with A^{-} to form HA and reaction moves in backward direction. When base is added it reacts with HA to form more A^{-}  and reaction moves in forward direction.


If acid is added

4 0
3 years ago
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3 0
3 years ago
A compound is 70.0% iron and 30.0% oxygen. Its molecular mass is 479.1 g/mol. Determine the
Strike441 [17]

Answer:

Fe_6O_9

Explanation:

Hello there!

In this case, since these problems about formulas, firstly require the determination of the empirical formula, assuming that the given percentages are masses, we can calculate the moles and mole ratio of oxygen to iron as shown below:

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Regards!

4 0
2 years ago
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3 years ago
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8 0
3 years ago
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