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3 years ago

15

Particles vibrate in a rigid structure and do not move relative to their neighbors.

2 answers:

BabaBlast [244]3 years ago

8 0

Yes the answer would most likely be solids

nydimaria [60]3 years ago

4 0

That would be a description of a solid if that’s what your looking for. If not ask me in the comments:)

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Which energy transformation took place?

Goshia [24]

Answer:

C

Explanation:

The battery is chemical energy. When it is used in the flashlight, it produces light and thermal energy

PLZ MARK BRAINLIEST :)

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2 years ago

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What frequency corresponds to an absorption line at 460 nm?

MAXImum [283]

Answer:

6.52 × 10^14 Hz

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3 years ago

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The labeled images each represent the wave patterns found in the electromagnetic wave spectrum. Which image is correctly labeled

Nataly_w [17]

Https://us-static.z-dn.net/files/d15/c111c5e1b23135c61adec7b554629964.jpg

I believe the answer is the third option. Hope this helps! Please tell me if I am wrong or if there was an error in my answer... also sorry this answer is late.

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3 years ago

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Assuming a car (with a 70-L) gas tank can hold approximately 50,000 (5.00 * 10^4) g of octane(C8H18) or 50,000 (5.00 * 10^4) g o

konstantin123 [22]

Answer:

- From octane: $m_{CO_2}=1.54x10^5gCO_2$

- From ethanol: $m_{CO_2}=9.57x10^4gCO_2$

Explanation:

Hello,

At first, for the combustion of octane, the following chemical reaction is carried out:

$C_8H_{18}+\frac{25}{2} O_2\rightarrow 8CO_2+9H_2O$

Thus, the produced mass of carbon dioxide is:

$m_{CO_2}=5.00x10^4gC_8H_{18}*\frac{1molC_8H_{18}}{114gC_8H_{18}}*\frac{8molCO_2}{1molC_8H_{18}}*\frac{44gCO_2}{1molCO_2} \\\\m_{CO_2}=1.54x10^5gCO_2$

Now, for ethanol:

$C_2H_6O+3O_2\rightarrow 2CO_2+3H_2O$

$m_{CO_2}=5.00x10^4gC_2H_6O*\frac{1molC_2H_6O}{46gC_2H_6O}*\frac{2molCO_2}{1molC_2H_6O}*\frac{44gCO_2}{1molCO_2} \\\\m_{CO_2}=9.57x10^4gCO_2$

Best regards.

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3 years ago

Which one of these three elements conatain the most protons

padilas [110]

Answer:

i think it's B sorry if i'm wrong

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2 years ago

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