Lập công thức hóa học Na[1] và O[2]

C<4> và S<2>

Ca <2> và No3 <1>

Ba <2> và So4 <2>

Fe <3> và So4 <2>

Ag <1> và Cl <1>

Explain that newton first law,second law and third law of motion?

Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin

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.