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0
votes
94
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What is the rate constant for the reaction A + B → C if the activation energy is 50 kJ/mol and the temperature is 300 K? Also, predict the order of reaction based on the mechanism proposed.
answered
Mar 1
in
Quantum Chemistry
0
votes
104
views
What is the probability that a system of two ideal gas particles in a closed container will have both particles in the same half of the container at a certain temperature? Use the canonical ensemble in statistical mechanics to calculate the probability.
answered
Mar 1
in
Physical Chemistry
0
votes
87
views
What is the probability of finding a system composed of two ideal gas particles in a given volume, temperature and energy range? Use statistical mechanics and the canonical ensemble to calculate the probability and explain your results.
answered
Mar 1
in
Physical Chemistry
0
votes
95
views
What is the power output of an electrochemical cell with a standard potential of +0.34 V and a current of 2.5 A flowing through it for 3 hours?
answered
Mar 1
in
ElectroChemistry
0
votes
95
views
What is the power output (in Watts) of an electrochemical cell at standard conditions, given that the cell potential is 1.5V and the total resistance of the circuit is 10 ohms?
answered
Mar 1
in
ElectroChemistry
0
votes
92
views
What is the polarization in an electrochemical cell when the current density is 200 A/m², the effective surface area of the electrode is 50 cm², the electrode potential is -0.5V and the electrolyte resistance is 10 Ω?
answered
Mar 1
in
ElectroChemistry
0
votes
114
views
What is the pH of a solution that contains 0.02 moles of hydrochloric acid in 500 mL of water?
answered
Mar 1
in
Chemical reactions
0
votes
98
views
What is the pH of a solution with a hydrogen ion concentration of 4.2 x 10^-5 M? Use a pH meter to determine the pH of the solution and compare it to the theoretical value calculated using the Henderson-Hasselbalch equation.
answered
Mar 1
in
Analytical Chemistry
0
votes
83
views
What is the pH of a solution with a hydrogen ion concentration of 3.5 x 10^-5 M, as measured using a pH meter?
answered
Mar 1
in
Analytical Chemistry
0
votes
96
views
What is the pH of a solution that has a hydrogen ion concentration of 2.5 x 10^-7 M? Determine the pH using a pH meter and state whether the solution is acidic, neutral, or basic based on the calculated pH value.
answered
Mar 1
in
Analytical Chemistry
0
votes
104
views
What is the pH of a solution with a concentration of 0.1 M hydrochloric acid?
answered
Mar 1
in
Chemical reactions
0
votes
96
views
What is the pH of a solution with a concentration of 0.01 M hydrochloric acid?
answered
Mar 1
in
Chemical reactions
0
votes
97
views
What is the pH of a solution with a concentration of 0.005 M hydrochloric acid (HCl)?
answered
Mar 1
in
Chemical reactions
0
votes
95
views
What is the pH of a solution with 0.1 M HNO3 (nitric acid)?
answered
Mar 1
in
Inorganic Chemistry
0
votes
84
views
What is the pH of a solution that contains 0.1 M hydrochloric acid, HCl?
answered
Mar 1
in
Inorganic Chemistry
0
votes
83
views
What is the pH of a 0.1 M solution of hydrochloric acid (HCl)? (Ka for HCl = very large, essentially 0)
answered
Mar 1
in
Inorganic Chemistry
0
votes
104
views
What is the pH of a 0.1 M solution of hydrochloric acid when measured using a pH meter? Show the step-by-step calculations and include the proper use of significant figures in your answer.
answered
Mar 1
in
Analytical Chemistry
0
votes
95
views
What is the pH of a 0.1 M solution of hydrochloric acid (HCl) measured using a pH meter at 25°C?
answered
Mar 1
in
Analytical Chemistry
0
votes
95
views
What is the pH of a 0.1 M solution of hydrochloric acid (HCl) at 25°C using a pH meter?
answered
Mar 1
in
Analytical Chemistry
0
votes
88
views
What is the pH of a 0.1 M solution of hydrochloric acid at 25°C?
answered
Mar 1
in
Inorganic Chemistry
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