Please can someone answer quickly this do tomorrow morning Which of the five signs should not be used by themselves?

Precipitate
Temperature change
Color change
Odor
Bubbles

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.

How are isotopes of the same element alike?

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold