A solution is prepared by adding 16. g of CH 3 OH(mo mass 32 g) to 90. g of H 2 O(molar mass 18 g. The mole fraction of C*H_{3} * O * H in this solution is closest to which of the following ?

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?