The ice<span> cube which was solid has turned into the liquid water because the air temperature is warmer than the freezers. Which means the </span>ice<span> particles gather heat energy from the warmer air. Therefore the </span>ice<span> particles have enough energy to break apart (</span>melt<span>)into smaller particle arrangements.</span>
<span>A 240g hydrated sodium sulphide contains 162g of water of crystallisation. What is the correct molecular formula for this compound?
Answer is A
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Answer:
Hello
12 grams
The mass of one mole of carbon-12 atoms is 12 grams.
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Explanation:
The left is seen when the moon is at the third quarter phase
At least, that's what Bohr<span> decided, and that's why he proposed the </span>existence<span> of the</span>atomic<span> energy level. </span>According<span> to </span>Bohr<span>, the electrons in an </span>atom<span> were only allowed to </span>exist<span> at certain energy levels</span>