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Problem- Calculate the pH of a solution made by mixing 33.0 mL of 0.340 M NaA (Ka for HA = 1.00 x10^-8) with 26.4 mL of 0.100 M HCl.
Here is the problem which I am struggling on, please help me
acetylene (C2H2) torches are used in welding. How much heat in kJ evolves when 5.0g of C2H2 (d=1.0967kg/m^3) is mixed with a stoichiometric amount of oxygen gas?
one mole of methane has a mass of 16.0 grams. how many grams of methane are needed to make 1.0 l of a 0.20 molar
Using the unbalanced reaction buffered at pH = 4.41 show below, determine the number of electrons transferred during the reaction. ClO3-1(aq) + I-1(aq) ? I2(g) + Cl2(g)
It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n=infinity.
If the Ksp of KHT was determined experimentally to be 3.8E-4 at 25 C, calculate the mass of KHT needed to make 200 mL of saturated solution.
Why don't you see the effect of rotation on the vibrational frequencies of chromophores in a polyatomic molecule in the liquid phase
Write complete and balanced net ionic equations for the reaction that occurs between the following pairs of reagents. If no reaction occurs, so state.
to determine the molecular formula of a compound.a compound of p and f was analyzed as follows heating 0.2324 g of the
Draw the most stable conformation of trans-1-isobutyl-4-methylcyclohexane in both the chair conformation and the wedge structure.
It would be greatly appreciated if someone can help me out with this question, explaining to me step by step how I can do this. What is the pH of a solution made by adding 8.80 grams of sodium acetate CH3COONa to 450 mL of 0.105 M hydrochloric acid
Molecular iodine, dissociates into iodine atoms at 625 with a first-order rate constant of 0.271. what is the halflife
Assuming that the specific heat capacity of the solution is the same as for water, calculate the heat transfer from system to surroundings, in kilojoules
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