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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",18,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"9be5s5MHVsvNG7SiQQcaajqDWZ5y3n","q","What volume of hydrogen will be produced if 100cm³ of ammonia is completely decomposed at constant temperature and pressure? The equation for reaction is 2NH_3(g) → N_2(g) + 3H_2(g)","ans",[414],1,"2002","course","chemistry","exp","According to the equation 2NH₃ → N₃ + 3H₂
\n2 x 22400cm^{3^{of ammonia will produce
\n3 x 22400cm³ of hydrogen
\nIf 100cm³ of NH₃ is used.
\n:. H₂ volume = \\(\\frac{100}{2x22400} x 3x22400
\n=150cm₃\n\n}}","opts",[422,423,424,425],"50cm³","150cm³","200cm³","300cm³",21,"21","initComment","initReply","actionData","errors"]

WAEC - Chemistry (2002 - No. 21)

Explanation

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