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vlabodo [156]
3 years ago
10

What’s the most density thing out of

Chemistry
1 answer:
Oksanka [162]3 years ago
7 0

Answer:

Iron is the densest out of the given options.

Explanation:

Oxygen

1.429 g/L

Water

1000 g/L

Hydrogen Peroxide

1450 g/L

Iron

7874 g/L

Iron Oxide

5240 g/L

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I dont know if this is right but i think the answer is 10.8 kilometers
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4 years ago
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What is a spectorscope?
vitfil [10]

Answer:

Explanation:

An apparatus for producing and recording spectra for examination.


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3 years ago
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I NEED HELP PLEASE! :)
riadik2000 [5.3K]

Answer:

C_{21} H_{23} NO_{5}

Explanation:

First thing is we have assume all the percents are grams so we have

68.279g C, 6.2760g H, 3.7898g N, and 21.656g O

Now convert each gram to moles by dividing the the molar mass of each element

68.279g/12.01g= 5.685 moles of C

6.2760g/1.01g= 6.214 moles of H

3.7898g N/14.01g= 0.271 moles  of N

21.656g O/ 16.00g= 1.354 moles of O

Now to find the lowest ratios divide all the moles by the smallest number of moles you found, in our case, the smallest moles is 0.271 moles of N so divide everything by that....

5.685 moles/0.271 moles ------> ~21 C

6.214 moles/0.271 moles --------> ~23 H

0.271 moles  / 0.271 moles  ---------> 1 N

1.354 moles/ 0.271 moles ----------> ~5 O

So the empirical formula is C21H23NO5 C_{21} H_{23} NO_{5}

5 0
3 years ago
If the temperature of the helium balloon were increased from 30°C to 35°C and the volume of the balloon only expanded from 0.47L
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Answer:

R u from ridge?

Explanation:

Mr Wilson trippin

6 0
3 years ago
2 Zn + 2HNO2-> 2 ZN(NO2)2 + H2
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It 6.8 so there you go And this answer is Long because I just need points lol
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