Total # Posts: 5
there are a lot gof cars in the parking lot. seven are black and the rest are blue . how many cars are there?
October 8, 2014
Calculate how many grams of the first reactant are necessary to completely react with 55.8g of the second reactant. Na2CO3 + CuCl2 → CuCO3 + 2 NaCl
September 25, 2014
Roughly how high could a 370 K copper ball lift itself if it could transform all of its thermal energy into work? Assume specific heat for copper equal to 386 J/kg·K.
October 18, 2012
August 27, 2012
October 24, 2009