Find number abc
[2805] Find number abc - If a5baa - a33b5 = ac77 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 80 - The first user who solved this task is Roxana zavari
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Find number abc

If a5baa - a33b5 = ac77 find number abc. Multiple solutions may exist.
Correct answers: 80
The first user who solved this task is Roxana zavari.
#brainteasers #math
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Do Something Nice

Unable to attend the funeral after his Uncle Charlie died, a man who lived far away called his Blonde brother and told him, 'Do something nice for Uncle Charlie and send me the bill.'
Later, he got a bill for $200.00, which he paid. The next month, he got another bill for $200.00, which he also paid, figuring it was some incidental expense.
But when the $200.00 bills kept arriving every month, he finally called his brother again to find out what was going on.
'Well,' said the Blonde brother, 'you said to do something nice for Uncle Charlie.
So I rented him a tuxedo.'

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Production of ammonia

In 1910, a U.S. patent for the Production of Ammonia was issued to Fritz Haber and Robert Le Rossignol (No. 971,501). This process could produce ammonia on a large scale directly from its component gases, hydrogen and nitrogen, by passing a mixture of them over heated finely-divided osmium metal used as a catalyst. A typical pressure of 175 atmospheres and a temperature of 550ºC could easily give an 8% by volume yield of ammonia. Although nitrogen makes up 80% of the air, as a gas it is quite unreactive. Despite its ready availability, nitrogen gas had previously been difficult to combine in a chemical form. Once nitrogen has been chemically combined in the form of ammonia, many other nitrogen compounds can be made.«
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