3 years ago

The document that provides the structure for the us government is

1 answer:

7 0

The Constitution provides the basic structure for US Government.

As a sidenote, you posted this in Chemistry, when it actually belongs in another topic. Please be sure to post questions only where they belong. Thanks! :)

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What is the mass of calcium in 2.3•10^23 molecules of calcium phosphate

Katena32 [7]

Explanation:

N(Ca)=3×N(Ca₃(PO₄)₂)=

=3×2.3×10²³=6.9×10²³

6.02×10²³→40g

6.9×10²³→Xg

m(Ca)=X≈45.85g

3 0

3 years ago

A salt lover decided to flavor her meal by adding 2.50 moles of sodium chloride,

FromTheMoon [43]

Answer: C, 146

Explanation:

NaCl has a molar mass of 58.44 g/mol.

To change moles to g, we do:

2.50 moles × 58.44 g/mol = 146.1 g, so C

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3 years ago

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Juli2301 [7.4K]

They both have 1 electron in their valence shell.....

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3 years ago

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max2010maxim [7]

(46.972* 69.472% + 48.961*21.667% + <span>49.954*8.8610%)/100% =

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3 years ago

At what temperature in the Kelvin scale does water boil? Explain what happen when we supply heat energy to water till it changes

erma4kov [3.2K]

100 +273=373 kelvins

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3 years ago