Is it okay if you help me? I'm kind of in a tight spot here. Tysm o(❁´◡`❁)o!!

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Which compound contain an iron with a 3+ charge

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.