مفتاح الابداع الكيمياء 101 CH10,42C, H,OH +2CO,
Upon decomposition of 0.12 mole sample of C6H,206, the mass
of C, H,OH (M. m = 46 g/mol) obtained was 9.4 g. The percent yield
of C, H,OH was:
a) 25%
b) 50%
c) 55%
d) 75%
e) 85%

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

One does not belong why? ice, gold ,wood ,diamond and table salt

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.