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choose the correct answer for the atom using the periodic chart. Larger atomic or ionic radius, F or F(-)
Mechanism for bromobenzene + magnesium turnings + annhydrous diethyl ether + benzaldehyde + H2SO4
calculate the molarity of acetic acid in a vinegar sample knowing that 5.00 mL of vinegar requires 43.50mL of 0.105M NaoH to just reach the phenolphtalein endpoint in a tritration
A pound of coffee beans yields 40 cups of coffee (4 cups = 1 ). How many milliliters of coffee can be obtained from 1.0 of coffee beans?
When heating the acetone in a water bath, why must there be a hole in the foil cap
V = 4.55 mL at 147 atm. What is the pressure if the volume changes to 10.0 mL?
Do these lambda maxs indicate an increase or a decrease in the energy of the light absorbed as the number of EN ligands bound to Cu(II) increases
If in an experiment 42g of CO is burned with excess oxygen gas. Calculate how many grams of CO2 will be formed in the process.
Write a balanced net equation for the reaction of Na2S with water. writing a net equation, and sodium ions are spectator ions.
Plot NO2 versus time, ln NO2 vs time, and 1/NO2 vs time. Which graph yields the best straight line? what is the reaction order with respect to NO2? Briefly explain
What is the mass percent of NaCl in a solution obtained by mixing 50g of this solution with 215g of H2O?
Suppose that ammonia (a monoprotic base), applied to a field as a fertilizer, is washed into a farm pond containing 3.0 × 106 L of water. If the pH of this pond is found to be 9.81.
Calculate the cell potential after the reaction has operated long enough for the [Al3+] to have changed by 0.40 mol/L. (Assume T = 25°C.)
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