Chemistry, 01.07.2019 11:30 cmflores3245
A50.51g sample of a compound made from phosphorus and chlorine is decomposed. analysis of the products showed that 11.39 g of phosphorus atoms were produced. answer using three significant figures. what is the percent by mass of phosphorus? % what is the percent by mass of chlorine? %
Answers: 1
Chemistry, 22.06.2019 12:00
1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c
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Chemistry, 22.06.2019 19:00
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.
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Chemistry, 22.06.2019 22:00
All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice
Answers: 1
A50.51g sample of a compound made from phosphorus and chlorine is decomposed. analysis of the produc...
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