In which of the following are the symbols and names for the ions given correctly? a. oh-: hydroxide b. po33-: phosphate; po43-: phosphite c. nh4-ammonia d. c2h3o2-: acetate; c2o4-: oxalite

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature