Asample of a compound consisting only of copper and sulfur contains 88.39g of the metal and 44.61g of non-metal. how many grams of sulfur? enter your answers in scientific notation

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.

Iam hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?