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Lernen beginnen

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Frage		Antworten
Evaportation Lernen beginnen		water evaporates from the sea
transpiration Lernen beginnen		plants release water from tiny holes in their leafs
condensation Lernen beginnen		as th vapour rises it cools and make liquid droplets forming clouds
precipitation Lernen beginnen		when the clouds get heavy they make rain
infiltration Lernen beginnen		some of the water from the rain soak back to the ground
runoff Lernen beginnen		water that doesent soak gos back to the river
ice Lernen beginnen		less dence than a liquid but more then a vapour
liquid Lernen beginnen		most dence at 4ndegreess
water vapour Lernen beginnen		least dence bc the molecules are far away from eachother
cobalt chloride Lernen beginnen		blue to pink
cooper sulfate Lernen beginnen		white to blue
polar substances Lernen beginnen		disolve in water while non polar dont
angle beetwen two hydrogens Lernen beginnen		104.5
why does the water molecule has a bent shape Lernen beginnen		because the lone pairs of electrons on the oxygen atom push the h atoms away
dipole Lernen beginnen		a molecule that has two oposite chargees the electron are not shared equally
colloid Lernen beginnen		mixture where one substancesis spread out evenly through out another substance but the parcicles of the first one cannot be seen by a naked eye
fog Lernen beginnen		liquid in gas
foam Lernen beginnen		gas in liquid
emulsion Lernen beginnen		liquid and liquid
gel Lernen beginnen		solid in liquid
tyndall effect Lernen beginnen		tyndall effect
hard water Lernen beginnen		contains a lot of magnessium and calcium
reasons of hard water Lernen beginnen		when it pasees through all the rocks it picks up ca and mg
reasons of hard water 2 Lernen beginnen		rain water takes mg and ca from the soil
effects of hard water Lernen beginnen		dry skin spots on the dishes soap less effective
factors affecting rate of dissolving Lernen beginnen		temp movement surafce area
solubility Lernen beginnen		max amount of a substance that can dissolve in a liquid at given temp
solubilithy for solids Lernen beginnen		for solids solubility generally increases with temp
solubility for gases Lernen beginnen		solubility increases with pressure and decreases for with temp
how to make more concentrared Lernen beginnen		add more solute evaporate the solvent
how to make a more diluted Lernen beginnen		add more solvent or remove some solute
water polutants Lernen beginnen		metalic compounds sewage plastics
water proces first two Lernen beginnen		screening sedimantation
water proces second tw Lernen beginnen		filtration disinfection
eurothrophication Lernen beginnen		is when too many nutrients make the wather bad to live in

CHEMISTRY FIRST TEST

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