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user100 [1]
3 years ago
9

Choose all the answers that apply. Ethical scientists _____.

Chemistry
2 answers:
Agata [3.3K]3 years ago
5 0

Answer:

Explanation:  There can be many answers to this question but the most appropriate answer is written below -

Ethical scientists will follow the scientific method in order to carry out precise experimentation.

They report accurate data and they also keep the detailed records in order to modify any of the mistakes if made.

There are no biased and unbiased conclusions in the world of science thus the last option is not correct.

charle [14.2K]3 years ago
4 0

These would be your answers!

(taken from a source)

Follow the scientific method

Keep detailed records

Communicate experimental results
Hope that helped!

:)
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SpongeBob & Friends and the Scientific Method
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Answer:

1. Which people are in the control group? The people who received the mint without the secret ingredient

(Group B) would be the control group.

2. What is the independent variable? Secret ingredient in the breath mint

3. What is the dependent variable? Amount of breath odor (or bad breath)

4. What should Mr. Krabs’ conclusion be? The breath mint with the secret ingredient appears to reduce the

amount of breath odor more than half the time, but it is not 100% effective.

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6 0
3 years ago
Help <br> whoever answers all gets marked brainliest
Lelechka [254]

#1

  • See H and C have shared their electrons so it's Covalent bonding

#2

Yes here we can see the dots and crosses clearly.

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6 0
3 years ago
Read 2 more answers
A 3.3 g sample of sodium hydrogen carbonate is added to a solution of acetic acid weighing 10.3 g. The two substances react, rel
Zanzabum

Answer:

1.73g of CO2.

Explanation:

We'll begin by writing the balanced equation for the reaction. This is given below:

NaHCO3 + CH3COOH → CH3COONa + H2O + CO2

Next we shall determine the masses of NaHCO3 and CH3COOH that reacted and the mass of CO2 produced from the balanced equation. This is illustrated below:

Molar mass of NaHCO3 = 23 + 1 + 12 + (16x3) = 84g/mol

Mass of NaHCO3 from the balanced equation = 1 x 84 = 84g

Molar mass of CH3COOH = 12 + (3x1) + 12 + 16 + 16 + 1 = 60g/mol

Mass of CH3COOH from the balanced equation = 1 x 60 = 60g

Molar mass of CO3 = 12 + (2x16) = 44g/mol

Mass of CO2 from the balanced equation = 1 x 44 = 44g

From the balanced equation above,

84g of NaHCO3 reacted with 60g of CH3COOH to produce 44g of CO2.

Next, we shall determine the limiting reactant of the reaction. This is illustrated below:

From the balanced equation above,

84g of NaHCO3 reacted with 60g of CH3COOH.

Therefore, 3.3g of NaHCO3 will react with = (3.3 x 60)/84 = 2.36g of CH3COOH.

From the above illustration, we can see that only 2.36g of CH3COOH out of 10.3g given reacted completely with 3.3g of NaHCO3. Therefore, NaHCO3 is the limiting reactant while CH3COOH is the excess reactant.

Finally, can determine the mass of CO2 produced during the reaction.

In this case the limiting reactant will be used because it will produce the mass yield of CO2 as all of it were used up in the reaction. The limiting reactant is NaHCO3 and the mass of CO2 produced is obtained as shown below:

From the balanced equation above,

84g of NaHCO3 reacted to produce 44g of CO2.

Therefore, 3.3g of NaHCO3 will react to produce = (3.3 x 44)/84 = 1.73g of CO2.

Therefore, 1.73g of CO2 is released during the reaction.

7 0
3 years ago
ESKER <br><br> what is an esker, no copy and paste, in ur own words
ahrayia [7]
An esker is a winding ridge that is typically composed of gravel/assorted sediment that has been created from the melting/departure of a glacier. They usually span a long distance.
4 0
3 years ago
What best explains the type of energy present in the vibrating atoms of a substance? It is thermal energy, which is a type of ki
natima [27]

What best explains the type of energy present in the vibrating atoms of a substance?

The answer is: <u>It is thermal energy, which is a type of kinetic energy. </u>

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3 years ago
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