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A solution of hydrochloric acid has a volume of 250. mL and a pH of 1.92. Exactly 250. mL on 0.0105 M NaOH is added. What is the pH of the resulting solution?
The rod initially has a mass of 1460g, and the mole fraction of H2 in the exit gas is 0.223. The mole fraction of H2 in the feed to the reactor is 0.580, and the feed enters at the rate of 6.22kg-mol/hr. What will be the mass of the rod at the end..
When the external pressure on a balloon is decreased at constant temperature, what happens to the gas inside. A) The collisions become more elastic. B) the gas undergoes no changes.
Buffering capacity You want a solution that will buffer the addition of either 10 micromoles of acid or 10 micromoles of base. Total buffer concentration is equal to the concentration of the acid plus the concentration of salt of the acid
What does delta S of a chemical equation tell you about the reaction? For example, a positive delta H would tell you that the reaction is endothermic, or a positive delta G would tell you the reaction is non-spontanous. Does the delta S value give..
Provide balanced net ionic equations of these reactions to help with your explanation.
Use the Ksp values to calculate the molar solubility of each of the following compounds in pure water. MX (Ksp = 1.30×10-38)
Draw the structures of all the possible products containing one nitro group from the reaction - draw the enantiomer of the 2-butanamine
Depict the Lewis structure of ozone (SO4-2) illustrating all possible resonance structures if there are any. Find out the formal charge of each atom.
An aqueous solution that contains 285ppm of potassium nitrate (KNO3) is being used to feed plants in a garden. What volume of this solution is needed.
Where does the extra electron come from when determining the formal charge of NH2? N has 5 valence electrons and H each have one which lead to two bonds and one lone pair and one lone electron which equals a formal charge
the Cu^+ and I^- ions in equilibrium at 298 K are both equal to 1.03 x 10^-6 M, what is the value of delta G for the reaction?
How many BTUs are required to change 5 pounds of water at 70° F to 5 pounds of steam at 250° F? The heat capacity of steam is 0.45. The heat capacity of water is 1
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