A rock contains uranium 238 which has a half life of 4.5 billion years. if the rock is crushed and heated, the half life in urai
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Answer:
Explanation:
Hello.
In this case, taking into account that HCl has one molecule of hydrogen per mole of compound which weights 36.45 g/mol, we compute the number of molecules of hydrogen in hydrochloric acid by considering the given mass and the Avogadro's number:
Now, from the 180 g of water, we see two hydrogen molecules per molecule of water, thus, by also using the Avogadro's number we compute the molecules of hydrogen in water:
Thus, the total number of molecules turns out:
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Answer:
400 K
Explanation:
Please see the step-by-step solution in the picture attached below.
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