The ph of two lakes is measured. lake a has a ph of 8.0; lake b has a ph of 6.0. which of thefollowing statements is correct about these lakes?

The compound methyl butanoate smells like apples. its percent composition is 58.8% c, 9.9% h, and 31.4% o. what’s the empirical formula ?

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

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?