What is the answer to these use this equation for 7 and 8
C3h8 + 5 O2 —-> 3CO2 + 4H2O

According to the tide table below what time of day will the highest tide occur?

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

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!