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kompoz [17]
3 years ago
9

What features make a question scientific, and why are some questions beyond the boundaries of scientific investigation? Be sure

to include examples to support your answer.
Chemistry
1 answer:
Pavel [41]3 years ago
5 0
What makes a question scientific is that we are able to test our hypothesis.

For example:  Will increased sunlight cause more seeds to grow.  We can test that simply by placing seeds in the sun and some out of the sun.

If you cannot test an hypothesis, then it is NOT scientific

For example: Macroevolution isn't a scientific question because we cannot test whether or not complex organisms come from simpler organisms.  It can only be classified as an Hypothesis at best.
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Emperical formula of carbon dioxide
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CO2 is the emperical formula of carbon dioxide

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2 years ago
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What is the molar concentration of a solution prepared by dissolving 8.63 g of Ba(NO3)2 (molar mass = 261.35 g/mol) to a total v
PilotLPTM [1.2K]

Answer:

我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈

Explanation:

我實際上不知道我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈我實際上不知道答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈答案,我只是為了點數而這樣做,哈哈,祝你好運哈哈

7 0
3 years ago
Classify the following statements regarding the law of mass conservation as true or false.
Ahat [919]
True true false true
8 0
3 years ago
You observe 2 waves named alpha and beta. The alpha wave has a frequency of 5 Hz and the beta wave has a frequency of 2 Hz. Base
MAVERICK [17]

Answer:

shorter wavelength = alpha wave

Explanation:

Given that,

The alpha wave has a frequency of 5 Hz and the beta wave has a frequency of 2 Hz.

We need to compare the wavelengths of these two waves.

For alpha wave,

\lambda_1=\dfrac{c}{f_1}\\\\\lambda_1=\dfrac{3\times 10^8}{5}\\\\=6\times 10^7\ m

For beta wave,

\lambda_2=\dfrac{c}{f_2}\\\\\lambda_2=\dfrac{3\times 10^8}{2}\\\\=15\times 10^7\ m

From the above calculations, we find that the wavelength of the alpha wave is shorter than the wavelength of the beta wave.

8 0
3 years ago
A sample of hydrated cobalt (II) chloride has a mass of 5.22 g. After heating, it has a mass of 2.85 g. What is the percent by m
Tom [10]
Answer:
mass of water in hydrate = 2.37 grams

Explanation:
The mass of the hydrated cobalt (III) chloride is the summation of the salt and the water it contains.
This means that:
Total mass of sample = mass of salt + mass of water

Now, we are given that:
total mass of sample = 5.22 grams
mass of salt = mass of sample after heating = 2.85 grams

Substitute to get the mass of water as follows:
5.22 = mass of water in hydrate + 2.85
mass of water in hydrate = 5.22 - 2.85
mass of water in hydrate = 2.37 grams

Hope this helps :)
5 0
3 years ago
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