Use the ideal gas law to show that 28.0 g of nitrogen gas and 4.00
g of helium gas occupy the same volume at any temperature and pressure.
Please show step by step.
If you ever watch a shuttle launch, you will see what looks like a crazy amount of smoke at the take off. But if you get up closer to the launch pad afterwards, you will see a bunch of ice! The reason is because hydrogen gas is the fuel, and it is being combusted with oxygen gas to form water: 2H2 + O2 → 2H2O. We will learn later why ice forms here even though it is so warm. But for now, what would be the total mass in grams of water (ice) if you completely combusted 150 kilograms of hydrogen gas? NOTE: All numbers located immediately after elemental symbols should be considered subscripts.
A.150.0 kg
B.2703 kg
C.1338 kg
D.1352 kg
`Here is one way to produce methanol: CO + 2 H23 rxn
→ CHOH . This reaction has a △H= -128 kJ. How much heat (in kJ) is released when you completely react 4.04 g CO?
I have a buddy who recycles electronics, and isolates metals from
the connector pins electrical boards. He isolates gold, for example, and purifies it the best he can, then sells it along with his other scrap metal. This last go around he was able to isolate 3.00 g of Au with a process he claims results in a 80.0% yield. If he is correct, what was his theoretical yield? In other words, he got 3.00 g, but what should he have been able to get?
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