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Determine if the following solution is acidic, basic or neutral and then calculate the pH of each. Assume T = 25°C.
1.00 g of K3PO4 in 1.00 L water.
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 8.10 nm in diameter?
A CONTAINER HOLDS 7.62L OF N2O(g) at 4.06atm in equilibrium at 25C with 5.82L of an aqueous solution of N2O(aq).
A 2.55 g sample of naphthalene (C10H8) is dissolved in a 30.0 g of benzene (C6H6). Benzene freezes at 5.50 degrees C and the resulting solution freezes at 2.13 degrees C. What is the freezing point depression constant, K sub f, of benzene?
Nitroglycerine decomposes violently according to the unbalanced chemical equation below. How many total moles of gases are produced from the decomposition of 1.00 mol C3H5(NO3)3?
When iron is dissolved in an oxidizing agent, such as sulfuric acid, Fe(II) or Fe(III) will be formed?
Given that translational and rotational degrees of freedom typically behave classically, but vibrations behave quantum mechanically, the total (avg) energy of a diatomic is predicted to be U= (5/2)RT+ , where is obtained from Eq.124.
Rank the following atoms (from smallest to largest) based on which would have the largest second ionization energy?
What is the theoretical yield for this reaction under the given conditions:1.49 g H2 is allowed to react with 10.3 g N2
A 5.0 L sample has a pressure of 5.0 atm. What is the volume of the anesthetic given to a patient at a pressure at a pressure of 1.0 atm?
What mass of potassium can be produced by the reaction of 215 g Na with 296 g of KCl?
Calculate the molarity and mole fraction of acetone in a 1.25 m solution of acetone (CH3COCH3) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the volumes of acetone and ethanol add. molarity ..
What is the percentage chlorine by mass in the organic compound?" and got an answer of 37.1% Cl, which im pretty sure is right.
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