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e-lub [12.9K]
3 years ago
8

Help me please thank you

Chemistry
1 answer:
Damm [24]3 years ago
5 0
The atomic number is equal to proton number : 30
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10.Conduction is the method of heat transfer in solids but not liquids and gases. Why?
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Conduction only happens when the object is a solid, because conduction happens in objects that are closely, with molecules that are closely packed together, and have a definite shape. Since, in liquids and gases, the shape is not definite nor do they have closely packed molecules., conduction does not take place in them

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Which of the following solutions has the greater buffer capacity: (a) 100 mL of 0.30M HNO2 - 0.30 M NaNO2 or (b) 100 mL of 0.10
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100mL of 0.10M HNO2 and 0.10M NaNO2

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because solution has the greatest buffering capacity when the concentration of the weak acid is = at the concentration of its conjugate base.

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