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klemol [59]
3 years ago
7

Complete the sentence.

Chemistry
1 answer:
Leno4ka [110]3 years ago
7 0

Answer:

6, double

Explanation:

Hex- is a prefix for number 6.

Ene- is a suffix for a double bond.

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Calculate the molar mass of Li2SO4.
asambeis [7]

Answer:

109.94 g/mol

Explanation:

Li is 6.94 and there's 2 of those = 13.88

1 S = 32.06

4 O = 63.996

Add all of those together to get 109.936 round to 109.94

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Explanation:

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Which is the correct pattern of how the sizes and charges of atoms change with the addition and subtraction of electrons?
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3 years ago
Ionic or covalent C2H5OH
Afina-wow [57]

Answer:

Covalent  

Explanation:

A molecule of C₂H₅OH has C-C, C-H, C-O, and O-H bonds.

A bond between A and B will be ionic if the difference between their electronegativities (ΔEN) is greater than 1.6.

\begin{array}{ccc}\textbf{Bond} & \textbf{$\Delta$EN} & \textbf{Polarity}\\\text{C-C} & 2.55 - 2.55 = 0.00 & \text{Nonpolar covalent}\\\text{C-H} & 2.55 - 2.20 = 0.35 & \text{Nonpolar covalent}\\\text{C-O} & 3.44 - 2.55 = 0.89 & \text{Polar covalent}\\\text{O-H} & 3.44 - 2.20 = 1.24 & \text{Polar covalent}\\\end{array}

No bond has a large enough ΔEN to be ionic.

C₂H₅OH is a covalent molecule.

6 0
3 years ago
Carbon can bond with other carbon atoms to produce cyclic hydrocarbon structures. true false
tigry1 [53]
The answer is true.
An example is cyclohexane.
6 0
3 years ago
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