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2 years ago

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Heating galactose, a monosaccharide sugar, in the presence of excess oxygen produces carbon dioxide gas and water vapor. Classif

y
this reaction.
C6H1206(s) + 602(9) - 6C02(0) + 6H20 (9)

1 answer:

artcher [175]2 years ago

6 0

Answer:

it's a combustion reaction

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Will is learning about a new kind of plastic used to make models. He learns that infrared light is absorbed by the plastic, X-ra

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Answer:

no it dosen't matter

Explanation:

because it absorbed the light so it had to damage it.

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Letter flipper on a game show. Periodic table pun

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Is there a question or is this a weird "Fun Fact"

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1. How many atoms of nitrogen are there in 0.50 mol of (NH4)2CO3?

mr Goodwill [35]

Answer:

C

Explanation:

no. of moles = no. of atoms/ Avogadro's number

0.5= N/6.02×10^23

N= 3.01×10^23

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2 years ago

Which statement best describes the relationship between igneous and metamorphic rocks?

solong [7]

Answer:

Igneous rocks must go through the sedimentary process to change into metamorphic rocks. Igneous rocks are chemically changed into metamorphic rocks because of high temperature and pressure. Metamorphic rocks are formed from melting igneous rocks. Metamorphic rocks and igneous rocks do not follow a rock cycle.

Explanation:

hope this helps!

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When an electron in a 2p orbital of a particular atom makes a transition to the 2s orbital, a photon of approximate wavelength 6

Mariulka [41]

Answer:

The energy difference between these 2p and 2s orbitals is $3.07\times 10^{-19} J$

Explanation:

Wavelength of the photon emitted = $\lambda =646.3 nm =646.3\times 10^{-9} m$

Energy of the photon will corresponds to the energy difference between 2p and 2s orbital = E

Energy of the photon is given by Planck's equation:

$E=\frac{hc}{\lambda }$

h = Planck's constant = $6.626\tiomes 10^{-34} Js$

c = Speed of the light = $3\times 10^8 m/s$

$E=\frac{6.626\tiomes 10^{-34} Js\times 3\times 10^8 m/s}{646.3\times 10^{-9} m}$

$E=3.07\times 10^{-19} J$

The energy difference between these 2p and 2s orbitals is $3.07\times 10^{-19} J$

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2 years ago