Which combination of coefficients correctly balances the chemical equation below?
_Fe2O3+ _H2 - _Fe +_H2O
Bonus Question: What kind of reaction is this?
1,3,2,3 (single displacement)
1,2,3,4, (decomposition)
1,3,3,2 (single displacement)
1,3,2,3 (double displacement)

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign