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Eduardwww [97]
3 years ago
6

Which of the following is a part of the geocentric model?

Chemistry
2 answers:
nexus9112 [7]3 years ago
5 0

B all objects move around the sun

VashaNatasha [74]3 years ago
3 0

Answer:The correct answer is all the planets revolve around earth.

Explanation:This model was made a long time before technolige when they looked at the stars they would always move across the sky in the same pattern so they assumed that the stars were revolving around earth but come to find out everything was revolving around the sun.

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What wind direction change usually occurs as a cold front moves through an area?
Yanka [14]

Answer:

northern winds

Explanation:

8 0
3 years ago
Read 2 more answers
 Convert the following to moles.
Luda [366]
Use dimensional analysis.
\frac{60.0 grams NaOH}{1} *  \frac{1 mole NaOH}{40.0 amu NaOH} =1.5 moles

\frac{2.73 grams NH4Cl}{1} *  \frac{1 mole NH4Cl}{53.49 amu NH4Cl} = .051 moles

Now you try converting moles to grams. All you have to do is start with MOLES  (Unlike the previous examples) over 1 then multiply that ratio by the ratio of molar mass over 1 mole. Hope this helps!
6 0
3 years ago
Treatment of 2-hexanone with naoch2ch3 followed by ch3br affords compound x (c7h14o) as the major product. x shows a strong abso
VashaNatasha [74]
The given ketone when reacted with base gave enolate, the enolate formed due to loss of methylene proton next to carbonyl group. Enolate when treated with methyle Bromide gave alpha substituted product. 

Strong absorption around 1713 cm⁻¹ in IR spectrum confirms the presence of Carbonyl group.

The product along with ¹H-NMR values is given below,

8 0
4 years ago
Predict the energy trend as a substance changes from a solid to liquid to gas on this graph.
Vladimir [108]
Answer:
            Option-A (<span> It would increase from bottom left to top right) is the correct answer.

Explanation:
                   As we know converting solids into liquids and converting liquids into gases require energy. This energy provided increases the energy of the state and its particles start moving with higher velocities. Therefore, the energy of solids will be lower than liquids and gases respectively. While, liquids have greater energy than solids but less energy than gases. And, gases are the most energetic than solids and liquids.</span>
8 0
3 years ago
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What are the major species in solution when solid ammonium bromate is dissolved in water?
DaniilM [7]
The major species in solution when solid ammonium bromate is dissolved in water is shown below

6 0
3 years ago
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