Chemistry, 09.06.2020 04:57 leannehounschell
Which of the following factors would explain why 50 grams of iron powder reacts faster than a 50 gram solid block of iron?
a. Temperature
b. Concentration of Reactants
c. Particle Size
d. Agitation
e. Catalysts
f. Nature of reactants
Answers: 3
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An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
Answers: 1
Which of the following factors would explain why 50 grams of iron powder reacts faster than a 50 gra...
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