a student recorded the temperature of a solution every 30s for 3 min while the solution was heating on bunsen burner graph data chemistry chapter 2

Answers

Answer 1

Answer:

Answer:

3min=180s so 180:30=6

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The solid part of the blood consists of _____ and _____ blood cells.red
white
black
blue

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Your blood is a living part or tissue of your body that composed of liquid and solid part. The liquid part is made of plasma and mineral like, water, salt and protein. While the solid part is composed of red blood cells, white blood cells and also platelets

A science class is conducting an experiment that produces noxious fumes. Because of inadequate ventilation, some students begin to feel nauseated and dizzy. The first response should be to

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To solve this we must be knowing each and every concept related to experiment. Therefore, the correct option is option A that is to leave the room and go to an area with fresh air.

What is experiment?

Any procedure where measurements are taken and tests are run to support or disprove a hypothesis is referred to as a scientific experiment.

A science class is conducting an experiment that produces noxious fumes. Because of inadequate ventilation, some students begin to feel nauseated and dizzy. The first response should be to leave the room and go to an area with fresh air.

Therefore, the correct option is option A that is to leave the room and go to an area with fresh air.

To learn more about experiment, here:

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What particle is emitted from hydrogen-3 nucleaus when it undergoes radioactive decay?

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Hydrogen-3 with scientific name Tritium often undergoes beta decay.

Why is gold less reactive than iron?

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The metals copper, silver gold and platinum are less reactive than hydrogen and they do not replace hydrogen from water or acid. Examples for metal-displacement reactions: Zinc can displace copper from copper sulphate solution and iron from ferrous sulphate solution. So zinc is more reactive than iron and copper.

Answer:

Iron has a standard electrode potential which is less than gold, which therefore means the gold is less reactive,

What is the main pigement for photosyenthesis inchloroplasts

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I assume the answer is chlorophyll (a or b) but could also be carotenoids.

Answer:

the main pigment is chlorophyll.

Explanation:

It is green

How many mL of a stock solution of 2.00 M KNO3 are needed to prepare 100.0 mL of 0.15M KNO3? with work plz

Answers

Using the law of dilution :

Mi x Vi = Mf x Vf

2.00 x Vi = 0.15 x 100.0

2.00 x Vi = 15

Vi = 15 / 2.00

Vi = 7.5 mL

hope this helps!

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