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3 years ago

Why is it important for scientists to review and repeat the work of other scientists?

Chemistry

2 answers:

barxatty [35]3 years ago

4 0

Select one:

a. ensure the results are in agreement with accepted scientific beliefs

b. guarantee federal funding by supporting each other's work

c. keep the science community better informed

d. validate the results and check the evidence's reliability

ANSWER IS D

Andrej [43]3 years ago

3 0

To confirm the results of the same experiment to see if they are similar

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The molar concentration of sucrose in a can of soda is 0.375 M. How much sucrose would be found in a 2 liter bottle of soda of t

antoniya [11.8K]

Answer:

C) 0.75 mol.

Explanation:

Molarity is defined as the no. of moles of solute dissolved in 1.0 L of the solution.

So, The molar concentration of sucrose in a can of soda is 0.375 M means that: every 1.0 L of sucrose contains 0.375 mol of sucrose.

∴ 2 liter bottle of soda of the same concentration contains (2 * 0.375 mol = 0.75 mol) of sucrose.

<em>Thus, the right choice is: C) 0.75 mol.</em>

5 0

2 years ago

How long would it take a current of 10A to deposit 6.36g of copper during the electrolysis of copper (ll) tetraoxosulphate VI so

zhuklara [117]

It take 0.54 hours to deposit 6.36g of copper

<h3>Further explanation</h3>

Faraday's Law I

"The mass of the substance formed at each electrode is proportional to the electric current flowing in the electrolysis

W = e.i.t / 96500

$\tt \large {\boxed {\bold {W \: = \: \dfrac {e \times i \: x \: t} {96500}}}}$

e = equivalent = Ar / valence

i = current, A

t = time, s

W=6.36 g

e = 63.5 : 2 =31.75

i = 10 A

$\tt t=\dfrac{W\times 96500}{e.i}\\\\t=\dfrac{6.36\times 96500}{31.75\times 10 }\\\\t=1933.04~s\approx 0.54~hours$

8 0

2 years ago

How can glass be a liquid if it's so hard?

levacccp [35]

Answer:

It is an amorphous solid and hence also called pseudo solid. So it flows very slowly over thousands of years. It is not visible to the n*ked eye.

7 0

2 years ago

If the molecule C6H12 does not contain a double bond, and there are no branches in it, what will its structure look like?

NARA [144]

I have attached a photo of the structure.
You can get better at solving problems like this by practicing a lot!

5 0

3 years ago

Which of the following is an endothermic process?

Neporo4naja [7]

Hello There!

A Heat Pack is An Example Of A Endothermic Process.

An Endothermic Reaction Is A Reaction That Requires Energy To Move Forward.

6 0

2 years ago

Read 2 more answers