U Question 12
1 pts
Which element is represented by this notation: [Ar]452?
O Sodium
Titanium
Scandium
O Calcium

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these