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Explain the Arrhenius theory of acids in your own word(s). Record (write) a reaction showing why hydrogen carbonate is an acid.
What effects could CO2 have you the results if it were present in the sample of tonic water
We have an unknown liquid. For its evaporation, what are the signs (positive or negative) for its enthalpy change
Determine how much heat is released at constant pressure if 471.0 g of NO2 is produced,?
an inert gas has a volume of 941 ml at temperature 28 oC and pressure 675 Torr. What volume does the gas occupy at standard ambient temperature and pressure (SATP)?
The Ka of a monoprotic weak acid is 7.78 × 10-3. What is the percent ionization of a 0.141 M solution of this acid?
calculate the molar solubility of calcium carbonate in 0.050 molar calcium chloride and ksp for calcium chloride is 3.8X10^-9.
Would the carbon atoms in a molecule such as stearic acid (C18H36O2) actually be expected to form a linear chain. Explain
A solution containing an unknown concentration of the acid is titrated with NaOh . It requires 20.65mL of 0.3000 M NaOh solution to titrate both acidic protons in 45.00mL of the tartaric acid solution
Question- There is a container of 3 gases: N2, O2 and He. Determine the pressure of the O2 gas if the total pressure is 2.1 atms and the partial pressures of the He and N2 gases are 0.70 atm and 0.75 atm
An underground storage tank was used to store toluene. Over a period of time some of the toluene leaked from the tank, contaminating the soil and groundwater below the tank.
A body of volume 100 cc immersed completely in water contained in a jar. The weight of water and jar before immersion of the body was 700 gm.
A certain substance, intially present at 0.950 M, decomposes by first-order kinetics with a rate constant of 1.25 x10-2 mol m-1 s-1. calculate the time (in seconds) required for the system to reach a concentration of 0.431M
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