:  how much energy is required to heat an iron nail with a mass of 25.5 grams from 65°c until it becomes red hot at 720°c? (c  for iron = 0.4494 j/g°c).  part a:   enter the variable symbol for the quantity you need to find.  use your keyboard and the keypad to enter your answer.  then click done.

Diamond, graphite, and fullerenes share what property? a. they are all made of carbon (c) bonded to a metal. b. their shape. c. they are all made of carbon (c). d. they are all good conductors.

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles