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PIT_PIT [208]
3 years ago
15

State the color of methyl orange in a sample of NaOH

Chemistry
1 answer:
devlian [24]3 years ago
5 0
I just need points I hate my sister
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All cells _____.
xeze [42]
The answer is the fourth choice, or Have membrane-bound organelles. Hope this helps you!

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3 years ago
How many atoms are in .47 moles of argon
lesantik [10]

Answer:

\large \boxed {2.8 \times 10^{23}\text{ atoms Ar}}

Explanation:

\text{Atoms of Ar} = \text{0.47 mol Ar} \times \dfrac{ 6.022  \times 10^{23}\text{ atoms Ar}}{\text{1 mol Ar}}\\\\= \large \boxed {\mathbf{2.8 \times 10^{23}}\textbf{ atoms Ar}}

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Based on the article "Will the real atomic model please stand up?,” describe one major change that occurred in the development o
nydimaria [60]
I don't know this article, but I do know some major changes: first, the change from the plum pudding model (no nucleus, just electrons) to the gold foil experiment, which had Rutherford shoot alpha particles at a sheet of gold only to find them rebounding, proving the existence of a positively charged mass, i.e a nucleus, in the atom. However, this changed again when Bohr realized that the negatively charged electrons should be attracted to the positively charged center, so that there must be something else inside the nucleus. 
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3 years ago
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According to the Brinsted -Lowry. what is an acid ? what is a base ? ​
sasho [114]

Answer:

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8 0
3 years ago
Nuclear energy is the heat energy produced during controlled splitting, or ________ , of radioactive isotopes
erma4kov [3.2K]
Answer is: nuclear fission.
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</span>Nuclear fission produces energy for nuclear power and  <span>nuclear weapons.</span>
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3 years ago
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