Other Chemistry Answers

Identify the Type of Bonds For PoBr2 (Ionic, Polar, Nonpolar)

Determine the molarity M of a solution of 0.150 g of NaOH in 100 mL of water (Na = 23; O = 16; H = 1)

Calculate the number of miles of calcium chloride that can be obtained from 25g of limestone in the presence of excess hydrogen chloride

A plant cell with 5% solute and 95% water is placed into a solution of 10% solute and 90% water. The solution is _____ then, water will move _____.

250 mL of argon gas is held in a flexible vessel shown above. If the pressure changes to 12.0 atm, what is the new volume of the gas at 20 °C
Solve using combined gas law

250 mL of argon gas is held in a flexible vessel shown above. If the pressure changes to 12.0 atm, what is the new volume of the gas at 20 °C

If water on the earth’s surface seeps down underground as it is pulled by earth’s gravity, what process is occurring?

1. Balance the following reaction with the oxidation number method:
Cr2O7 (2 -) + C2O4 (2-) → Cr 3+ (aq) + CO 2 (aq) (acidic atmosphere)

2. Balance the following reactions with the half-reaction method:
Cl2 + IO3 (-) → Cl (-) + IO 4 (-) (alkaline)

3. The standard potential values ​​are known as follows.
Mg │Mg (2+) ║ Ag (+) │Ag Eo = +3.17 volts
Pb │Pb (2+) ║ Ag (+) │Ag Eo = +0.94 volts
Determine the cell potential value for Mg │Mg (2+) ║ Pb (2+) │Pb

4. There are two electrodes as follows:
Sn 2+ (aq) + 2e (-) → Sn (s) Eo = -0.14 volts
Cu 2+ (aq) + 2e (-) → Cu (s) Eo = +0.34 volts
Then:
a. Specify cathode and anode
b. Determine the amode, cathode, and cell reactions
c. Describe the arrangement of the voltaic cells that occur
d. Write down cell notation
e. Calculate the cell potential
f. Analyze how the flow of electricity and electron flow occurs in the voltaic cell
g. Explain whether the reaction was spontaneous or not

Chloroform, CHCl₃, is prepared industrially by the reaction of methane (CH₄) with chlorine. How many grams of Cl2 are needed to produce 1.50 moles of chloroform?