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Question- A solution contains .6M HF and 1M NaF, what is the pH after .10M NaOH is added to 1L, what is the pH at the equivalence point?
I want you to explain the chemistry in this problem
extrapolate this "cooling curve" back to the time of addition and find that the "final temperature" after mixing is 37.9 °C. What is the heat capacity of the calorimeter cup
Problem- In the experiment of establishing the relative reactivity of Halogens and Halide Ions a student performed the following two tests on an unknown solution containing one halide ion.
two evacuated bulbs of equal volume are connected by a tube of negligible volume. one bulb is placed in a 200 k
When backpacking in the wilderness, hikers often boil water to sterilize it for drinking. Suppose that you are planning a backpacking trip and will need to boil 30 L of water for your group.
calculate the mass of water that must be added to 0.45 mol of glucose to make a solution of 15.0 percent by mass. the molar mass of glucose is 180 g/mol
Calculate the change in molar Gibbs energy, ?Gm, of liquid mercury initially at 1.00 bar pressure if a pressure of 1000. bar is applied to it. The process occurs at the constant temperature of 25 ºC
Explain why do gas bubbles when rising through a liquid get bigger. Is it for the reason that of the molecules that are bouncing around inside the bubbles are hitting the sides within or else bouncing off one another which would make them expand
Depict the major organic product(s) for the subsequent reaction. Multiple products may be haggard in one box, in any order. Charges as well as nonbonding electrons do not need to be included.
a 1.00 liter solution contains 1.00 mol of weak acid HX. After 0.60 mol of Oh- is added to this olution, the pH of the solution is 4.00. Calculate the Ka for the acid HX.
The reaction 2NO2 -> 2NO + O2 has the rate constant k= 0.65 M-1s-1. If the initial of NO2 is 7.30 x 10-2 M, how would you determine how long it would take for the concentration to decrease to 1.70 x 10-2M
A solution contains 0.22 M CaCl2 and 0.12 M MgCl2. What concentration of hydroxide ions would be required to separate the magnesium as Mg(OH)2 without precipitating the calcium as Ca(OH)2?
The oxidation of 748g of ammonium with 740g of Oxygen produces water and nitrogenoxide. Draw a chemical spread sheet to show what happens during a chemical reaction.
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