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3 years ago

What does temperature measure?

Chemistry

2 answers:

Schach [20]3 years ago

8 0

Temperature measures the (average) <span>kinetic energy of a system .</span>

lesya [120]3 years ago

7 0

Answer:

Kinetic energy of a system .

Explanation:

Hello,

The temperature is a measure of the average kinetic energy of the atoms or molecules in the system as long as it accounts for the movement of the particles composing the system, thus, the higher the temperature, the higher the kinetic energy as the atoms or molecules could move faster and vigorously.

Best regards.

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A sample of juice has a pH of 4.2. Whsat is the concentration in mol/dm3 of OH in the juice?<br>

Annette [7]

Answer:

6 * 10^-4M

Explanation:

use this equation

[ H + ] = 10 − pH

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3 years ago

The length of a copper wire is 1.6 centimeters (cm). What is the length of this wire in meters (m)? 1.6 mc031-1.jpg 10–3 m 1.6 m

Klio2033 [76]

I believe the answer is 0.016. if i am wrong please tell me if it's wrong. the second option

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3 years ago

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What is the molarity of NaOH if 83.5 mL of NaOH is needed to react with 35.0mL of a 0.275 M solution of H2SO4?

Lostsunrise [7]

Answer:

0.231 mol/L

Explanation:

The first step is to write the balanced equation for this reaction:

$H_{2}SO_{4} +2NaOH ===> Na_{2}SO_{4} +2H_{2}O$

The second step is to find the number of moles in the acid:

number of moles = volume * concentration

= 0.035 L * 0.275 mol/L

= 0.009625 mol

The third step is to use the molar ratio from the balanced chemical equation to find the number of moles of NaOH that can neutralize 0.009625 mol of sulphuric acid.

n(sulphuric acid) : n(sodium hydroxide)

1 : 2

0.009625 mol : x

x = 0.01925 mol

Fourth step is to calculate the concentration of sodium hydroxide:

$concentration = \frac{number of moles}{volume} = \frac{0.01925}{0.0835} =0.231 mol/L$

7 0

3 years ago

What do you think the body does to try and maintain its balanced pH considering the wide range of acidic and basic substances in

sleet_krkn [62]

The lungs control your body's pH balance by releasing carbon dioxide. Carbon dioxide is a slightly acidic compound. ... Your brain constantly monitors this in order to maintain the proper pH balance in your body. The kidneys help the lungs maintain acid-base balance by excreting acids or bases into the blood.

Sorry if it’s wrong I’m not that sir and best luck with your studying

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3 years ago

Sound travels faster through solids than it does through either liquids or gases a student could verify this statement by

irina [24]

Group of answer choices.

A. Distance that sound travels through a solid, a liquid, and a gas.

B. Pitch of sound when it passes through a solid, a liquid, and a gas.

C. Distance sound travels through a solid, a liquid, and a gas at varying temperatures.

D. Time required for sound to travel a set distance through a solid, a liquid, and a gas.

Answer:

D. Time required for sound to travel a set distance through a solid, a liquid, and a gas.

Explanation:

Sound are mechanical waves that are highly dependent on matter for their propagation and transmission.

Sound travels faster through solids than it does through either liquids or gases. A student could verify this statement by measuring the time required for sound to travel a set distance through a solid, a liquid, and a gas.

Mathematically, the time required for sound to travel is given by this formula;

$Time = \frac {distance (x)}{speed (v)}$

Hence, the time taken for sound to travel through each medium (solid, liquid and gas) would be measured, recorded and compared to one another.

4 0

3 years ago