What is the final temperature of 390.1 g of water (specific heat = 4.18 J/g･°C) at 24.2°C that absorbed 950. J of heat?

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %