- What might be one reason that your lab did not seem to follow the law of conservation of mass?

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ABCD is a square and E,F are the midpoint of sides AD, DC respectively, show thar BE,AF are perpendicular? (9x+10) 6x+5)? A package of gift cards has a length of 8 inches, a width of 4 inches and a volume of 64 inches cubed. What is the height of the box? 2 H2 + O2 -> 2 H2O
How many moles of water are produced when 5.00 moles of hydrogen gas are reacted with 2.00 moles of oxygen gas? A fox leaps horizontally from 8.5 high up with a velocity of 7.5m/s in the horizontal direction. How far will the fox land?

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