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Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding. The structure of 3-methylbutyric acid is shown below. Draw a second molecule of 3-methylbutyric acid - oriented in the most stable dimeric configuration with the other molecule of acid - and show the intermolecular hydrogen bonds
Data for the decomposition of hydrogen peroxide at some set temperature T is include below. The rate law depends only on the concentration of H2O2.
A chemical process is used to convet toulene (MW=92) and hydrogen to benzene (MW=78) and methane (CH4) by the reaction : Toulene+H2->Benzene+CH4
a tank contains helium at 490 mmHg, nitrogen gas at 0.750 atm, and neon at 520 torr. what is the total pressure in atm?
to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
Calculate the mass of silver chloride in grams required to make 4.4g of silver plating.
A certain second-order reaction (B--> products) has a rate constant of 1.40×10^-3 M^-1*s^-1 at 27 Celsius and an initial half-life of 280s . What is the concentration of the reactant B after one half-life?
How many moles of (NH4)3PO4 are present in 100.0 mL of 2.50 M (NH4)3PO4?
when a substance is being reduced, what type of current is produced?
The molar heat capacity of silver is 25.35 J/mol * C. How much energy would it take to raise the temperature of 8.60 g of silver by 11.1 C?
460. mL of hydrochloric acid (HCl) acid is exactly neutralized with 485 mL 0.660 M NaOH solution. What is the concentration of the acid solution.
Calculate the pH of a solution formed by mixing 250 mL of 0.150 M NaHCO3 with 250 mL of 0.100 M Na2CO3. What is the molarity of the prepared buffer?
what concentration of nitrogen oxide is the rate 2.0x10^-6 mol/L-min and the bromine concentration one fourth of the nitrogen oxide concentration?
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