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3 years ago

I need help 1-4 plz

Chemistry

1 answer:

LekaFEV [45]3 years ago

5 0

The answer is -3, if you are asking for that

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If the gas in the above system has a volume of 256 mL at a pressure

evablogger [386]

Answer:

the volume of the same gas at pressure of 1.00atm =737.3ml

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3 years ago

Nitrous oxide gas is a form of

zepelin [54]

Its a form of anaesthesia used by dentists

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3 years ago

Calculate the Ka of your acetic acid solution. Discuss this calculation. Based on the value of Ka, is acetic acid a strong acid

lord [1]

Based on our knowledge of strong and weak acids, we can confirm that the Ka value for acetic acid will be relatively low since it is a weak acid.

Acids can be strong or weak. This is determined by its tendency to break apart into ions or stay together to form molecules. Although somewhat counter-intuitive, strong acids are those that are most likely to break apart and therefore contain a high number of ions within their solutions.

Weak acids, on the other hand, are those that tend to stay together in the form of molecules and therefore possess very low ion counts in their solutions. The acid dissociation constant, Kₐ, is used to measure whether an acid is weak or strong and how much so. In the case of Acetic acid, the ka measurement will offer a low value, indicating a weak acid.

To learn more visit:

brainly.com/question/4131966?referrer=searchResults

4 0

3 years ago

Picture shown! At 3 mmHg and 500C water exists as a Liquid Solid Gas

maria [59]

Answer:

At 3 mmHg and 50°C water exists as a gas.

6 0

3 years ago

What chemical reaction occurs when one element replaces another compound

S_A_V [24]

<h2>The chemical reaction occurs when one element replaces another compound.</h2>

Explanation:

Chemical reaction : It is the reaction in which two or more substances react to form some new substance .

Like : Burning of fuel etc

We have different types of reactions occurring around us like:

Combination reaction
Decomposition reaction
Displacement reaction
Double decomposition reaction
Redox reaction

Displacement reaction

it is a reaction between element and a compound in which more reactive element displaces less reactive from its compound

i.E CuSO₄ + Zn --> ZnSO₄ + Cu

(copper sulphate ) (Zinc sulphate )

In this we follow reactivity series and accordingly we come to know whether the reaction will occur or not .

Like if the above asked reaction is modified as this :

ZnSO₄ + Cu ------> No reaction

This is because copper being less reactive than Zn cant displace zinc .Hence , no reaction occur .

6 0

3 years ago