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Pie
3 years ago
10

How many moles of carbon dioxide are present in 14g of co2

Chemistry
1 answer:
Tomtit [17]3 years ago
8 0

0.32 moles

You just do 14/ 44.01 (the atomic mass of carbon + oxygen's atomic massX2)

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Explanation:

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3 years ago
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What is the study of the spectra produced from the emission and absorption of electromagnetic radiation? study of absorption spe
skelet666 [1.2K]

Answer the correct answer out of the four is option c spectroscopy

Explanation- The interaction between electromagnetic radiation and matter studied. This study is commonly known as spectroscopy. It can also be named as study of absorption spectra or emission spectra.

The former spectrum is formed when energy is absorbed from Photons or light energy by electrons while the latter spectrum is formed due to a wavelength of light that is released when electrons jump from higher to lower level.  

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3 years ago
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You have 54.32 grams of PbCl4. How many moles of PbCl4 do you have?
Dima020 [189]

Answer:

0.156mol

Explanation:

Number of moles of a substance can be calculated from its mass by dividing its mass by molar mass i.e.

Number of moles (n) = mass/molar mass

Molar mass of PbCl4 is as follows, where Pb = 207.2g/mol, Cl = 35.5g/lol

PbCl4 = 207.2 + 35.5(4)

= 207.2 + 142

= 349.2g/mol

Using: mole = mass/molar mass

mole = 54.32 grams ÷ 349.2g/mol

mole = 0.1555

mole = 0.156mol

6 0
2 years ago
What is the longest compound name? How many atoms are in the compound?
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Answer: its called titin, but it has a much much longer name that i couldn't find in full

Explanation: C169,719H270,466N45,688O52,238S911

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How many atoms are in 5 moles of sodium hydroxide
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