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Mama L [17]
3 years ago
5

What is a kilogram??

Chemistry
2 answers:
sukhopar [10]3 years ago
8 0

A kilogram is a measure of mass; 1,000 grams

____ [38]3 years ago
8 0

A kilogram is a unit of measurement

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Briefly describe how a potentiometric pHmeter works. (Hint: Describe how the pH meter measures the amount of H+ or OH- ions in a
KengaRu [80]

Answer:

Indicators show changes in the pH of a solution

Explanation:

A pH meter is an instrument that measures the hydrogen-ion activity in aqueous solutions, indicating the acidity or alkalinity of the solution expressed as pH .The pH meter measures the difference in electrical potential between a pH electrode and a reference electrode, hence the pH meter is sometimes referred to as a potentiometric pH meter. Potentiometric pH meters measure the voltage between two electrodes and display the result converted into the corresponding pH value. The instrument comprises of a simple electronic amplifier and a pair of electrodes, or alternatively a combination electrode, and some form of display calibrated in pH units. It usually has a glass electrode and a reference electrode, or a combination electrode. The electrodes, or probes, are inserted into the solution to be tested.

Organic indicators are chemical species that change their colour in response to changes in the pH of the solution. This implies that the anionic and protonated forms of the indicator possess different colours. Hence the colour changes in acidic, basic and neutral solutions. The images attached indicate the colour changes in phenolphthalein and methyl orange in acidic and basic media accordingly.

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2 years ago
Fove seconds without gravity would be detrimental to earth.<br>A.True<br>B.False​
anygoal [31]

Answer:true

Explanation:

6 0
3 years ago
Please select the word from the list that best fits the definition
nika2105 [10]

An occluded front is well known to bring a large amount of rain and snow (Option F).

<h3>What is an occluded front?</h3>

An occluded front is a mass of air capable of bringing precipitation in the form of liquid water (rain) or snow.

This meteorological phenomenon (occluded front) is formed by warm air trapped with cold air.

In conclusion, an occluded front is well known to bring a large amount of rain and snow (Option F).

Learn more about occluded front here:

brainly.com/question/2432375

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cause something (a substance) to be deposited in solid form from a solution

Explanation:

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