25 ml of 4x10-5 M solution of Ba(NO3)2 is mixed with 500 ml of 5x10-5 M solution of Na2S04. Will the precipitate of Baso4 be formed?
Ksp(BaSO4)=1.08x10-10 M2. Compare the value of 0 with Ksp.​

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !