Consider the balanced chemical reaction below. If 24.3 g of iron is produced when 50.0 g of iron(III) oxide and 50.0 g of carbon monoxide react, what is the percentage yield of the reaction? Fe2O3+ 3CO → 2Fe+ 2CO2

This graph gives information on changes in sea ice extent in the arctic ocean over a 30-year span. the overall trend shows in the ice extent. to address the trend, scientists need to ask themselves, one direct consequence of the trend is that

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest