5 g of a mixture of hexestrol and its enantiomer is dissolved in 10 mL of ethanol. The sample has a 38% enantiomeric excess (EE) of hexestrol. When measured by a polarimeter, the observed rotation of this sample is found to be: A) 3.4°
B) 5.6°
C) 6.2°
D) 6.8°

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.