When H2O and CO react at 979°C, the products are CO2 and H2. The equilibrium constant (in terms of equilibrium concentrations of reactants and products) for the reaction below is 0.66 at 979°C. If the following concentrations are measured after the reaction reaches equilibrium, what is the concentration of CO(g) in the equilibrated mixture? answer will be in M Component: Measured Equilibrium Concentration
A. H2 0 (g) 0.750 M
B. CO2 (g) 0.134 M
C. H2 (g) 3.33 M

0.901 M

Explanation:

The concentration of the CO(g) in the equilibrated mixture is shown below:

where,

= equilibrium constant

And, we placing these above values to the formula shown as above

So, the concentration of CO(g) is

=

= 0.901 M

We simply applied the above formula in order to determine it and so that the  correct answer could arrive

alkaline metals are lithium, sodium, rubidium, potassium, cesium and francium.

alkali metals have electronegativity from 0.7 to 1, lowest in periodic table of elements, which means that alkali metals (i group in periodic table) has positive oxidation number in compounds.

electronegativity is a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.

alkaline metals (far left in main group) have lowest ionizations energy and easy remove valence electrons,

for example, potassium is the alkali metal and has a single valence electron in the outer electron shell.

electron configuration of potassium is: ₁₉k 1s²2s²2p⁶3s²3p⁶4s¹.

they can not exist alone in nature, because they are very reactive.

level 4 to level 2 : ))