calculate δh°rxn for the following reaction using the values in the table below. enter in kj/mol sio2(s) + 4 hf (g) ⟶ sif4(g) + 2 h2o(l)

Why must i ask a question before i begin

To avoid becoming distracted by an urgent situation while driving, you must: a. deal with it while you continue driving b. think about while you're stopped at intersections c. pull over to deal with it

Trey caught a five and a half pound fish. how much did it weigh in ounces?