Given the balanced equation: 3Fe + 4H2O → Fe3O4 + 4H2
What is the total number of liters of H2 produced at STP when 36.0 grams of H2O is consumed?

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

Can someone me with 6 to 10 plz this is for masteries test.

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98