Elemental analysis of a compound containing h b and o gave
Elemental analysis of a compound containing H, B and O gave 1.3% H and 27.5% B. The molecular weight of the compound is 157.3. What is the molecular formula of the compound? a. H3B5O6 b. H2B4O7 c. H2B5O9 d. H2B4O8
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1your firm is considering a project that would require purchasing 75 million worth of new equipment determine the
how many moles of oxygen were used in the combustion of solid naphthalene c 10 h 8 if 51 kj of energy were released to
a power supply has an open-circuit voltage of 350 v and an internal resistance of 200 o it is used to charge two
elemental analysis of a compound containing h b and o gave 13 h and 275 b the molecular weight of the compound is 1573
a long solenoid has 140 turnscm and carries current i an electron moves within the solenoid in a circle of radius 260
what will be the final temperature of a 35 kg block of aluminium initial temperature 22oc after the addition of 29 kj
a rescue helicopter lifts a 60 kg person straight up by means of a cable the person has an upward acceleration of 070
so2 and o2 react together to form so3 the resulting reaction mixture is an equilibrium involving all three compounds
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