The diatomic molecule with a triple covalent bond is N2.
Nitrogen has five atoms in its valence shell. In order for it to attain the octet structure, that is, to have eight electrons in its outermost shell, it has to donate three electrons, just like the other element it is reacting with in order to form a triple covalent bond.

5 0

3 years ago

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Calculate the frequency required to eject electrons from gold with a work function of 8.76 x 10-19 J

Savatey [412]

$hf=W+\frac{mv^{2}}{2}\\\\
f=\frac{W+\frac{mv^{2}}{2}}{h}\\\\\

W=8,76*10^{-19}J\\
m=9,11*10^{-31}kg\\
v=3*10^{8}\frac{m}{s}\\
h=6,63*10^{-34}Js\\\\\\
f=\frac{8,76*10^{-19}J+\frac{9,11*10^{-31}kg*(3*10^{8}\frac{m}{s})^{2}}{2}}{6,63*10^{-34}Js}=7,5*10^{19}Hz$

5 0

3 years ago

The gas in a cylinder has a volume of 3 liters at a pressure of 118 kpa. the pressure of the gas is increased to 221 kpa. assumi

Soloha48 [4]

Data:
V1 (initial volume) = 3 g/L
P1 (initial pressure) = 118 kPa
V2 (final volume) = ? (g/L)
P2 (final pressure) = 221 kPa

Formula:
P1 * V1 = P2 * V2

Solving:
P1 * V1 = P2 * V2
118 * 3 = 221 * V2
354 = 221 V2
221 V2 = 354
$V_{2} = \frac{354}{221}$
$\boxed{\boxed{V_{2} \approx 1.60\:g/L}}\end{array}}\qquad\quad\checkmark$

3 0

3 years ago