Is force a vector Yes or No ? Explain

Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)