Answer:
Use pOH = -log₁₀ [OH-]
Explanation:
pOH can be calculated from the concentration of hydroxide ions using the formular below:
pOH = -log₁₀ [OH-]
The pOH is the negative logarithm of the hydroxide ion concentration.
Answer:
smelling it without glasses or putting your face/nose really close to the substance
Explanation:
False, because heat travels from warm to cool objects, so if both have the same temp ( ie: no temp difference) heat will not be transferred between them.
Answer:
The town should find a new source of water.
Explanation:
Step 1: Convert the mass of copper to milligrams
We will use the conversion factor 1 g = 1000 mg.
0.002 g × (1000 mg/1 g) = 2 mg
Step 2: Convert the mass of solution to kilograms
We will use the conversion factor 1 kg = 1000 g.
1000 g × (1 kg/1000 g) = 1 kg
Step 3: Calculate the concentration of Cu in ppm (mg/kg)
2 mg/1 kg = 2 ppm
This is over 1.3 ppm, so the town should find a new source of water.
The Lewis structure of Chloroacetate (H₂CClCO₂) is given below. In structure it is shown that carbon has a double bond with one oxygen atom and two single bonds with CH₂Cl and O⁻.
Formal Charge; Formal charge is caculated as,
Formal charge = # of valence e⁻ - [# of lone pair of e⁻ + 1/2 # of bonded e⁻]
Formal charge on Oxygen (Highlighted Red);Formal charge = 6 - [ 6 + 2/2]
Formal charge = 6 - [6 + 1]
Formal charge = 6 - [7]
Formal charge = -1