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Temka [501]
2 years ago
9

How is density related to the color of igneous rocks?​

Chemistry
1 answer:
r-ruslan [8.4K]2 years ago
4 0

Answer:

The density of igneous rocks is related to its color. Darker colored rocks have a higher density because of its greater mineral and iron content. Its characteristics is opposite compared to lighter colored rocks that have less density because of lower mineral and iron content

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What is mole-to-mole stoichiometry.
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Answer:

https://youtu.be/3zmeVamEsWI

Explanation:

It is defined as the ratio of moles of one substance to the moles of another substance in a balanced equation. ... Mole ratios are the central step in performing stoichiometry because they allow us to convert moles of one substance to moles of another substance.

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Новый источник энергии получивший распространение в годы второй промышленной революции
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What type of energy is stored for use at a later time? Bond energy Free energy Kinetic energy Potential energy
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Caffeine, a stimulant found in coffee and soda, has the following elemental composition: 49.48% carbon, 5.19% hydrogen, 16.48% o
prisoha [69]

Answer:

Explanation:

C = 49.48

H = 5.19

O = 16.48

N = 28.85

ratio of moles

= 49.48 / 12 : 5.19 / 1 : 16.48 / 16 : 28.85 / 14

= 4.123 : 5.19 : 1.03 : 2.06

= 4 : 5 : 1 : 2

so the empirical formula = C₄ H₅O N₂

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n ( 48 + 5 + 16 + 28 ) = 119.19

97 n = 194.19

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I need help with this!!
8_murik_8 [283]

Answer:

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