Answer:
I think this is like a game in which you need dice.
Explanation:
To fill out the second page, you need to complete the roll/go-to chart.
Answer:
It conducts electricity when it is dissolved in water.
Explanation:
It conducts electricity when it is dissolved in water is a property of a substance that is composed of atoms that are held together by ionic bonds.
Answer:
Amount of mercury is 1.0*10⁻⁵ g
Explanation:
<u>Given:</u>
Mercury content of stream = 0.68 ppb
volume of water = 15.0 L
Density of water = 0.998 g/L
<u>To determine:</u>
Amount of mercury in 15.0 L of water
<u>Calculation:</u>

where 1 μg (micro gram) = 10⁻⁶ g
0.68 ppm implies that there is 0.68 *10⁻⁶ g mercury per Liter of water
Therefore, the amount of mercury in 15.0 L water would be:

Answer: All three phases of water coexist in equilibrium.
Explanation:
oils are complex mixtures of minerals, water, air, organic matter, and countless organisms that are the decaying remains of once-living things. It forms at the surface of land – it is the “skin of the earth.” Soil is capable of sup- porting plant life and is vital to life on earth.