Answer:
hard and brittle
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Ummmmmmmmmmmmmmmmmmmmmmmmm, 21
The first thing you need to know about this problem is that delta total = delta Hf products - delta Hf reactants.
Delta total = (4*NO + 6*H2O) - (5*O2 + 4*NH3)
Delta total = [(4*91.3 kJ/mol) + (6*-241.8 kJ/mol.) - (5*0 kJ/mol.) + (4*-45.9 kJ/mol.)
Products= 4*(365.2)+(-1450.8)=-1085.6 kJ
Reactants=4*(-45.9) + 5*(0)= -183.6 kJ
Delta Rxn= (-1085.6 kJ) - (-183.6 kJ) =-902.0 kJ
Answer:
Sorry neutrons and protons!!
Explanation:
Answer:
By simply wrapping wire that has an electrical current running through it around a nail, you can make an electromagnet. When the electric current moves through a wire, it makes a magnetic field.
Explanation:
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