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allochka39001 [22]
3 years ago
7

What does the reaction rate say about a reaction?

Chemistry
1 answer:
miss Akunina [59]3 years ago
7 0

Answer:

It shows the change in concentration of a reactant or product per unit of time, expressed as mol/(L · s)

Explanation:

The reaction rate is the speed at which a chemical reaction proceeds.

So if the reaction rate is the speed at which a chemical reaction happens/occurs, then the reaction rate will tell us about the concertation of the chemicals. It shows the change in concentration of a reactant or product per unit of time, expressed as mol/(L · s)

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How many molecules of CO2 will be produced by the decomposition
34kurt

Answer:

2.99×10²⁵ molecules of CO₂ are produced

Explanation:

Decomposition reaction is:

Ca(HCO₃)₂ => CaO(s) + 2CO₂(g) + H₂O(g)

Ratio is 1:2. Let's make a rule of three:

1 mol of bicarbonate can produce 2 moles of CO₂

Therefore, 24.9 moles of bicarbonate may produce, 49.8 moles (24.9 .2 )/1

Let's determine the number of molecules

1 mol has 6.02×10²³ molecules

49.8 moles must have (49.8 . 6.02×10²³) / 1 = 2.99×10²⁵ molecules

4 0
3 years ago
Help me with homework.
andrey2020 [161]

The chemical equation is said to be balanced if the number of atoms in the reactants and products is the same

<h3>Further explanation</h3>

Equation balanced ⇒ total number of atoms in reactants(on the left)= total number of atoms in products(on the right)

H₂+O₂---> H₂O

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Products : H₂O

not balanced

H₂O₂ ---> H₂O+O₂

Reactants : H₂O₂

Products : H₂O, O₂

not balanced

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Reactants : Na, O₂

Products :  Na₂O

not balanced

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Reactants : N₂, H₂

Products :  NH₃

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P₄+O₂---> P₄O₁₀

Reactants : P₄, O₂

Products :  P₄O₁₀

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Reactants : Fe, H₂O

Products :  Fe₃O₄

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7 0
3 years ago
What volume is represented by each small tick
sladkih [1.3K]

Answer:

there

Explanation:

Tick Volume Definition Tick volume is measuring every trade whether up or down and the volume that accompanies those trades for a given time period. If you are a day trader or a short term swing trader, tick volume analysis will assist you in sizing up the market on an intraday basis.

5 0
3 years ago
What type of hybridization is needed to explain why ethyne, C2H2, is linear?
Dmitrij [34]

When C-C is having a triple bond the hybridization is sp. But I am not sure how to relate that to the linear shape.

5 0
3 years ago
the sublevel that has the largest number of differently shaped orbitals is the f sublevel. True False
GrogVix [38]

The answer to this is true.

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3 years ago
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