Answer: They ionize by the gain of one electron
Explanation:
Group 7 elements have seven electrons on their outermost shell, in order to have a complete octet structure, the go into bonding with other elements by gaining one more electron to have eight complete outermost shell electron (valence electron). They thereby ionize by gain one electron forming X
Answer:
The molar volume of a gas is the volume of one mole of a gas at STP. At STP, one mole (6.02 × 1023 representative particles) of any gas occupies a volume of 22.4 L (Figure below). A mole of any gas occupies 22.4 L at standard temperature and pressure (0°C and 1 atm).
Explanation:
Molar mass NaCl = 58.44 g/mol
number of moles
1 mole ------ 58.44 g
? moles ----- 25 g
25 x 1 / 58.44 => 0.4277 moles
Therefore:
M = n / V
M =0.4277 / 1.5
M = 0.285 mol/L
it would be heating of 32g of s and 56g of Fe to produce 88g of FeS and unused reactants
C) Br-
This is the reducing agent of the reaction.
<em>Hope this helps!</em>