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marshall27 [118]
4 years ago
5

At what temperature will water change from a solid to a liquid (melt)?

Chemistry
2 answers:
lord [1]4 years ago
8 0

Answer:

When a solid reaches the temperature of its melting point, it can become a liquid. For water, the temperature needs to be a little over zero degrees Celsius (0oC) for you to melt.

enyata [817]4 years ago
3 0

Answer: 0 degrees celsius

Explanation:

There is a special temperature for every substance called the melting point. When a solid reaches the temperature of its melting point, it can become a liquid. For water, the temperature needs to be a little over zero degrees Celsius (0oC) for you to melt.

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3 years ago
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If 3.89 × 1024 atoms of a noble gas is collected and it has a mass of of 848 grams, this element is most likely a. He b. Ne c. A
bearhunter [10]

Answer:

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Explanation:

Avogadro’s number represent the number of the constituent particles which are present in one mole of the substance. It is named after scientist Amedeo Avogadro and is denoted by N_0.

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6.023\times 10^{23} atoms have a mass of x g

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3.89\times 10^{24} atoms have a mass of \frac{x}{6.023\times 10^{23}}\times 3.89\times 10^{24} g

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\frac{x}{6.023\times 10^{23}}\times 3.89\times 10^{24}=848

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This mass correspond to xenon.

3 0
4 years ago
Explain how are elements classified and provide an example
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