Question 9
5 pts
Which energy transfer is correctly matched?
Fusion in the sun: chemica...
Chemistry, 19.04.2021 20:50 ashtonrieper2721
Question 9
5 pts
Which energy transfer is correctly matched?
Fusion in the sun: chemical to light and heat
Lighting a match: heat energy into chemical energy
a cell phone: thermal to electrical
Turning on a ceiling fan: electrical to mechanical
Answers: 2
Chemistry, 22.06.2019 07:30
Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1
Answers: 1
Chemistry, 22.06.2019 11:00
Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces
Answers: 1
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