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2 years ago

In chemical reactions, kinetics is related to _, whereas thermodynamics is related to _____.

Chemistry

1 answer:

STALIN [3.7K]2 years ago

7 0

Thermodynamics tells us what can occur during a process, while kinetics tell us what actually occurs.

<h3>What is Thermodynamics?</h3>

Thermodynamics is the branch of study that examines the possible states that material systems might take on and the potential changes in states that can arise either naturally or as a result of interactions between systems. The Greek terms thermé (heat) and dynamics were used to create the English phrase "thermodynamics" (force).

<h3>What is Kinetics?</h3>

Chemical kinetics, also known as reaction kinetics, is the branch of physical chemistry that is concerned with understanding the rates of chemical reactions. It is to be contrasted with thermodynamics, which deals with the direction in which a process occurs but in itself tells nothing about its rate.

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Balance the equation

drek231 [11]

Sorry but I can’t help you. The image is blurry and therefore the supposition is incorrect . But 12/4 equals 3

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2 years ago

Potassium dihydrogen phosphate KH2PO4 and sodium nitrate NaNO2 solutions are mixed together in a beaker. Determine the net ionic

Aleksandr-060686 [28]

Potassium dihydrogen phosphate (KH2PO4) and sodium nitrate (NaNO2)

Molecular equation:

KH₂PO₄ (aq) + 3NaNO₂(aq) → Na₃PO₄(s) + KNO₂(aq) + 2HNO₂ (aq)

The net ionic equation is:

3Na⁺(aq) + PO₄⁻(aq) → Na₃PO₄(s)

The rest of the ions are spectator ions and tend to cancel out on both sides of the reaction.

8 0

3 years ago

Calculate the ph of a buffer that is 0.94 mhc2h3o2 and 0.059 mnac2h3o2. the ka for hc2h3o2 is 1.8×10−5. calculate the of a buffe

faust18 [17]

Answer:

The pH of the buffer is 3.54.

Explanation:

To calculate the pH of acidic buffer, we use the equation given by Henderson Hasselbalch:

$pH=pK_a+\log(\frac{[salt]}{[acid]})$

$pH=pK_a+\log(\frac{[NaHCO_3]}{[H_2CO_3]})$

We are given:

$pK_a$ = negative logarithm of acid dissociation constant of carbonic acid

$pK_a=-\log[K_a]=-\[1.8\times 10^{-5}]=4.74$

$[NaC_2H_3O_2]=0.059 M$

$[HC_2H_3O_2]=0.94 M$

pH = ?

Putting values in above equation, we get:

$pH=4.74+\log(\frac{0.059 M}{0.94})\\\\pH=3.537\approx 3.54$

The pH of the buffer is 3.54.

6 0

4 years ago

What type of mixture contains the largest particles

tia_tia [17]

A suspension is the mixture with the largest particles.

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3 years ago

If 5 grams of co and 5 grams of o2 are combined according to the reaction 2co o2 --> 2co2, which is the limiting reagent?

IrinaK [193]

When 5 grams of CO and 5grams of O₂ is combined according to the reaction 2CO + O₂ ----------> 2CO₂ then Limiting reagent is CO.

Limiting reagent is the reactant that get used up in the reaction first.

According to the given reaction:

2CO + O₂ ----------> 2CO₂

5g 5g

∴ Molar mass of CO = Molar mass of C + Molar mass of O

⇒ Molar mass of CO = 14 + 16

⇒ Molar mass of CO = 28g

∴ Molar mass of O₂ = 16(2) = 32g

∴ Molar mass of CO₂ = Molar mass of C + 2(Molar mass of O)

⇒ Molar mass of CO₂ = 14 + 2(16)

⇒Molar mass of CO₂ =44g

Let's find out the moles of CO and O₂

∴ Moles = Given mass / Molar mass

⇒ moles of CO = 5/28 = 0.17

⇒ moles of O₂ = 5/32 = 0.15

For finding out the Limiting Reagent, we will divide the number of moles with the stiochiometry of the given reaction.

⇒ For CO = Moles/ stiochiometry = 0.17/2 = 0.085

⇒ For O₂ = Moles/ stiochiometry = 0.15/1 = 0.15

Since, the ratio of number of moles with the stiochiometry is less for CO hence it is the Limiting reagent, i.e. it will get used up in the reaction first.

Hence, the Limiting reagent for the reaction is CO.

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8 0

1 year ago

In chemical reactions, kinetics is related to _______________, whereas thermodynamics is related to ___________________.

In chemical reactions, kinetics is related to _, whereas thermodynamics is related to _____.