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Alexus [3.1K]
3 years ago
15

What caused people to accept the geocentric model of the universe? (1 point) O Telescopes allowed for a much detailed view of th

e circular orbits of the planets. O Noticing the gravity will eventually pull all the planets and the universe back together. O Objects seem to move across the sky, and Earth did not feel like it was moving 0 Measurements and mathematical models demonstrated that the planets orbit around the sun​
Chemistry
2 answers:
svetlana [45]3 years ago
8 0

Objects seem to move across the sky, and Earth did not feel like it was moving.

dezoksy [38]3 years ago
3 0

Answer:

I think it is:<em> Objects seem to move across the sky, and Earth did not feel like it was moving.</em> Pls let me know if this is correct or not in the comment section below. Thank you

Explanation:

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3 years ago
How much energy in joules is released when 18.5 grams of copper cools from 285 °C<br> down to 45 °C
nadya68 [22]

Answer: 1709.4 Joules

Explanation:

The quantity of Heat Energy (Q) released on cooling a heated substance depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

Thus, Q = MCΦ

Since Q = ?

M = 18.5 grams

Recall that the specific heat capacity of copper C = 0.385 J/g.C

Φ = 285°C - 45°C = 240°C

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3 years ago
Read 2 more answers
Find the [H+] in an acetic acid solution that has a pH of 5.12
Eva8 [605]
<span>Data:
pH = 5.2
[H+] = ?

Knowing that: (</span><span>Equation to find the pH of a solution)</span>
pH = -log[H+]
<span>
Solving:
</span>pH = -log[H+]
5.2 = - log [H+]
Knowing that the exponential is the opposite operation of the logarithm, then we have:
[H+] = 10^{-5.2}
\boxed{\boxed{[H+] = 6.30*10^{-6}}}\end{array}}\qquad\quad\checkmark
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