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1. What is the formula for the conjugate acid of HSO4-?
A) H2SO4
B) HSO42-
C) SO42-
D) H2SO4-
2. What is the formula for the conjugate base of HBr?
A) Br-
B) HBr-
C) H2Br
D) Br+
3. Which of the following is not a product of the following reaction when balanced?
HCl + MgCO3 →
A) H2O
B) 2MgCl
C) CO2
D) MgCl2
4. Imagine you react HCl (an acid) with NaOH (a base). It requires 25.0 mL of 0.500 M HCl to neutralize a 0.100 M solution of NaOH. How many milliliters of NaOH did you add?
A) 0.125 mL
B) 125 mL
C) 0.200 mL
D) 0.0500 mL
5. What is the pH of a solution that contains 2.31 x 10-6 M H+?
A) -5.63
B) -5.64
C) 5.64
D) 5.63
Below 84 K, argon also freezes to a solid that has a similar structure but different volume and mass. If the volume of each unit cell in argon is 91 percent of the xenon unit cell, what is the predicted density of solid argon
SO2Cl2 decomposes to SO2 and Cl2 All are gases. .0260 moles of SO2Cl2 are introduced in 1 L bulb at 375K When system reaches equilibrium total pressure in bulb is 1.43 atm. Calculate partial pressures of each gas.
Calculate the number of grams of alcohol present in 1.00 L of 87 proof gin. The density of ethanol is 0.798 g/mL.
Describe what circumstances would suggest that a Type II error would be of more concern. Carefully Explain.
After distributing the remaining valence electrons so that the carbon and each chlorine atom has an electron octet, write the lewis structure for CCl4 in the box.
Problem- Calculate the binding energy (kJ/nucleon) for a Cu-63 nucleus. H-1 = 1.00785 g/mol, n-1= 1.008665 g/mol, Cu-63= 62.93960 g/mol.
A solution is made by mixing 30.0 mL of ethanol, C2H6O, and 70.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C. Ethanol density=0.789 Vapor Pressure (Torr)=43.9 Water density=0.998 Vapor Pressure (Torr)=..
A chilled carbonated beverage is opened and allowed to warm to room temperature. Will the pH change, and if so, how will it change. loss of CO2 from the beverage (Henry's Law) will result in a decrease in the pH
If an iron atom in this universe contains the same number of electrons as on Earth, and Hund's rule and the Pauli exclusion principle are also true, what is the highest energy orbital for Fe that contains at least one electron
Both the anode and the cathode are inert electorodes in a electrochemical cell. The liquid is molten potassium chloride, KCL. Determine whether this is a galvanic or an electrolytic cell and give teh reaction occuring at the anotde and teh raction..
If the container has a pinhole leak, which describes the relationship between the partial pressures of the individual components in the containtainer after 3 hours? (A.) PSO2 > PCH4>PH2. (B.) PSO2 PH2. (D) PSO2= PCH4 = PH2.
Hydrogen sulfide , H2S , has the characteristics odor of rotten eggs. if a sample of H2S gas at 759.0 torr and 29.0 c in a 3.00-l container is allowed to expand into an 11.0-l container
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