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Phantasy [73]
4 years ago
7

Which best describes an experiment that had good scientific design? Most of the methods were different for each trial within the

experiment. The data could not be replicated in another experiment. Each trial was repeated several times during the experiment.
Chemistry
2 answers:
Kay [80]4 years ago
6 0

Answer: Each trial was repeated several times during the experiment.

A scientific design refers to a scientific plan or methodology, which needs to be followed to perform a experiment so as to obtain accurate and appropriate result matching with the situation of the hypothesis. Each trial was repeated several times during the experiment best describes an experiment that had a good scientific design because trials in an experiment brings either concordant or consistent results or inconsistent results. The concordant results suggests that the methodology applied is correct, and inconsistent results show that methodology applied is incorrect.

Charra [1.4K]4 years ago
5 0
A good experiment will have repeated trials for accuracy. 
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Mariulka [41]

The new planet is suitable for human life because it is similar to planet earth.

<h3>Describe the new planet, and why it would be perfect for maintaining human life?</h3>

The new planet has similar atmosphere just like the earth's atmosphere. It has large amount of vegetation that can hold large amount of animals. It is suitable for growing for different crops that provide food to humans.

So we can conclude that the new planet is suitable for human life because it is similar to planet earth.

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5 0
2 years ago
The ratio of the mass of U-238 to the mass of Pb-206 can be used to
ladessa [460]

Answer:3)date geological formations

Explanation:

7 0
3 years ago
If I have 12 moles of gas with a temperature of 16°C, what is the volume of the gas if the pressure is 14atm
navik [9.2K]

Answer:

20.3 L

Explanation:

Assuming that the gas behaves similar to an ideal gas we can use the ideal gas law equation

PV = nRT

Where

P - pressure - 14 atm

V - volume

n - number of moles - 12 mol

R - universal gas constant - 0.0821 L.atm /mol.K

T - absolute temperature - 16 degrees + 273 = 289 K

Substituting the values in the equation

14 atm x V = 12 mol x 0.0821 L.atm/mol.K x 289 K

V = 20.3 L

8 0
4 years ago
The following properties are either physical or chemical. Which one is different from the rest based on those two categories? a)
Igoryamba

Answer:

Not D.

Explanation:

I saw the answer somewhere else on brainly and i took the test and it was wrong

4 0
3 years ago
What is the mass in grams of 5.25 x 1024 molecules of NaOH?
Colt1911 [192]

Answer: The mass is 348.8g

Explanation:

We begin by using Avogadro's number to convert the number of molecules of  Sodium Hydroxide to moles.

6.02 x 10∧23 molecules of NaOH -------> 1 mole of NaOH

∴ 5.25 x 10∧24 molecules of NaOH -------> 1/ 6.02 x 10∧23 x 5.25 x 10∧24 =

                                                                    8.72moles.

Having found the number of moles, we then move from moles to gram by using the molar mass of NaOH (i.e the mass of 1 mole of NaOH).

1 mole of NaOH is equivalent to 40g (Molar Mass)

8.72 moles of NaOH would be equivalent to; 40/ 1  x 8.72 = 348.8g

The mass in 5.25 x 10∧24molecules of NaOH is 348.8g

4 0
3 years ago
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