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Consider the following reaction: 2 H 2   ( g )   +   O 2   ( g )   – >   2 H 2 O ( l )             ∆ H =   – 572 k J How much heat is evolved when 4.03 g H2 are reacted with excess oxygen? Answer: [BLANK-1] kJ *Provide answer with correct sig. figs. and in the unit indicated above.

A property that is independent of the pathway is called an intensive property.

2Al(s) + 3Cl2 (g) –> 2 AlCl3 (s)  ∆H=-1390.81 kJThe above reaction is exothermic, releasing 1390.81kJ of heat.

A neutralization reaction occurs when a salt is combined with water to form an acid and a base.

Determine the amount of heat (in kJ) given off when 1.26X104 g of ammonia are produced according to the equation N2(g) + 3H2(g) –> 2NH3(g) (delta)H(rxn) = -92.6 kJ/mol Assume that the reaction takes place under standard-state conditions at 25°C.

That part of the universe on which our attention is focused is called the

Consider the following processes: 2A –> 1/2B + C H= 5KJ/mol 3/2B + 4C –>2A + C + 3D H= -15KJ/mol E + 4A–> C H= 10kJ/mol Calculate  ∆ H for: C–> E + 3D Answer: [BLANK-1] kJ/mol

A nurse-manager is appraising employees’ competency levels during performance reviews. What goal should the manager set when performing competency assessments?

Which of the following materials will be used in our Calorimetry experiment? Select all that apply!

An experienced nurse-manager describes a recently hired nurse as “very promising.” The manager can best promote this nurse’s career development by: