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Svetllana [295]
3 years ago
10

A professional technician maintains and operates specialized scientific equipment true or false

Chemistry
1 answer:
tino4ka555 [31]3 years ago
4 0
True for both academic and industrial environments.<span />
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Is salt water solution a homogeneous mixture
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yes, it is a homogeneous mixture because the different parts cannot be seen.

Explanation:

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Which of the following methods can be used to determine the relative age of rock and strata? Select all that apply.
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I believe the answer is Archeolegy


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What are some benefits that come from volcanoes?
nataly862011 [7]

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Volcanoes cool off the earth by emitting heat from its interior. They also add islands and for example, Hawaii was created / is made out of volcanoes. The deposits from volcanoes can also be used for building materials. Volcanic explosions have caused the atmosphere and oceans to form. Volcanic deposits also create land which is fertile.

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3 years ago
How many sulfur atoms are present in 25.6 g of Al2(S2O3)3
IgorC [24]

Given the mass of Al_{2}(S_{2}O_{3})_{3}=25.6 g

The molar mass of Al_{2}(S_{2}O_{3})_{3}=390.35g/mol

Converting mass of Al_{2}(S_{2}O_{3})_{3}to moles:

25.6 g Al_{2}(S_{2}O_{3})_{3}*\frac{1molAl_{2}(S_{2}O_{3}}{390.35 gAl_{2}(S_{2}O_{3}} =0.0656molAl_{2}(S_{2}O_{3}

Converting mol Al_{2}(S_{2}O_{3})_{3}to mol S:

0.0656mol Al_{2}(S_{2}O_{3})_{3}*\frac{6molS}{1mol Al_{2}(S_{2}O_{3})_{3}}=0.3936 molS

Converting mol S to atoms of S using Avogadro's number:

1 mol = 6.022*10^{23}atoms

0.3936mol S *\frac{6.022*10^{23}atoms S}{1 mol S}=2.37*10^{23} S atoms

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3 years ago
Which of the following liquids is basic?
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Milk is the most basic liquid
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