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photoshop1234 [79]

2 years ago

14

Describe the difference between extensive and intensive properties

1 answer:

never [62]2 years ago

3 0

Answer:

Intensive and extensive properties are both physical properties. However, intensive properties dont depend on the amount of matter present in a sample, whereas extensive properties do. Intensive properties only depend on the type of matter, such as color, temperature, or solubility. Extensive properties depend on the amount of matter, such as mass, volume or energy

Explanation:

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Is hydrogen peroxide a element, compound or a mixture?

victus00 [196]

Answer:

hydrogen peroxide is a compound

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2 years ago

“Highest molecular motion, highest kinetic energy, no forces of attraction, least dense packaging of molecules.” which state of

Anna [14]

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3 years ago

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An OH group attached to a hydrocarbon is called a _________ group whereas ______________ is a polyatomic ion with a charge of __

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2 years ago

A buffer solution is composed of 4.00 4.00 mol of acid and 3.25 3.25 mol of the conjugate base. If the p K a pKa of the acid is

Reika [66]

<u>Answer:</u> The pH of the buffer is 4.61

<u>Explanation:</u>

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

$pH=pK_a+\log(\frac{[\text{conjuagate base}]}{[\text{acid}]})$

We are given:

$pK_a$ = negative logarithm of acid dissociation constant of weak acid = 4.70

$[\text{conjuagate base}]}$ = moles of conjugate base = 3.25 moles

$[\text{acid}]$ = Moles of acid = 4.00 moles

pH = ?

Putting values in above equation, we get:

$pH=4.70+\log(\frac{3.25}{4.00})\\\\pH=4.61$

Hence, the pH of the buffer is 4.61

8 0

3 years ago

Define unit<br>hi hope u have a great day

Crank

Answer:

<em><u>Unit</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>quantity</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>a</u></em><em><u> </u></em><em><u>constant</u></em><em><u> </u></em><em><u>magnitude</u></em><em><u> </u></em><em><u>which</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>used</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>measure</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>magnitudes</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>other</u></em><em><u> </u></em><em><u>quantities</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>same</u></em><em><u> </u></em><em><u>nature</u></em><em><u>.</u></em><em><u> </u></em>

Explanation:

<h2>HOPE IT WILL HELP YOU✌✌✌✌✌</h2>

6 0

3 years ago