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aliina [53]
3 years ago
10

Can someone tell me the advantages and disadvantages of Ceramics? I need scientific, good and clear points! :)

Chemistry
1 answer:
OverLord2011 [107]3 years ago
6 0
Advantage
Good conductor of heat
Extreme hard

Disadvantage
Zero ductility
Brittle in nature
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what would be the effect on the properties of the water molecule if oxygen and hydrogen had equal electronegativity?
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<h3>Further explanation</h3>

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Will mark the brainiest later for correct answers! Please show work.
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Answer:

According to avogadro's law, 1 mole of every substance contains avogadro's number 6.023\times 10^{23} of particles and weighs equal to its molecular mass.

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

\text{Number of moles}=\frac{\text{Given molecules}}{\text {Avogadros number}}

a. moles in 14.08 g of C_{12}H_{22}O_{11} = \frac{14.08g}{342.3g/mol}=0.04113moles

molecules in 14.08 g of C_{12}H_{22}O_{11} = 0.04113\times 6.023\times 10^{23}=0.2477\times 10^{23}

b. moles in 17.75 g of NaCl = \frac{17.75g}{58.5g/mol}=0.3034moles

molecules in 17.75 g of NaCl = 0.3034\times 6.023\times 10^{23}=1.827\times 10^{23}

formula units 17.75 g of NaCl = 0.3034\times 6.023\times 10^{23}=1.827\times 10^{23}

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