Atomic mass Kr = 83.8 g/mole
Atomic mass Ar = 39.948 g/mole
So the ratio of the effusion rates = SQRT(83.8/39.948) = 1.45. Argon moves 45% faster than krypton!
Hope that helped!
Moles of
= 6.5 mol
mole ratio of <span>
: HCl = 1 : 2
</span>∴ since <span>
cntain 6.5 mol, then HCL contains (2 * 6.5) mol
Thus moles of HCl = 13.0 </span><span>mol
Volume of HCl needed = </span>
=
<span>
</span><span> = 8.67 </span>
<span>then volume of HCL needed = 8.67 L
</span>
Lamps light up by electricity. Although, i'm sure you knew that by now. When a light bulb connects to an electric power supply, an electric current flows between the two metal contacts. As electricity flows between the wires and filament, the filament heats up. The filaments begin to emit photons, which are essentially small packets of light.
Hope this helps!
Hello there!,
Well a Igneous rock forms of course by the rate that it cools down in. If there is slow magma cooling then there will be larger crystals. Fast cooling leads to smaller crystals.
Hope I helped!