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How much heat energy is required to melt one ice cube in a soft drink to form liquid water 0 C, if the ice cube has a mass of 18.9g? molar heat fusion of water is 6.01kl/mol
You have 250.0 mL of a 0.56M solution of sodium acetate. How many mL of 0.50M acetic acid should be added to make a buffer of pH 4.40?
indicate whether each are activating or deactivating, and whether each are ortho para or meta directing substituents.
When 25mL of a 120mL stock solution containing 2M AlCl3 is diluted to 80mL, how many moles of Al3+ are in the new solution.
using the balanced reaction enter the formula chargeif any and state of the species exclude h2o in solution if neither
A news station in your local area has predicted a severe winter storm on the way and they want to make sure the streets don't freeze over. Which solution should they use to put on the streets to lower the freezing point, MgCl2 or NaCl, and explain..
Write the oxidation reaction for L-Ribose and α-D-Lyxose (use the Benedict' reagent as an oxidizing agent). Write the reduction rection (hydrogenation) for D-Idose and β-D-Psicoe.
How many moles of sulfate ions (SO2-/4) are present in 1.6 moles Al2(SO4)3
vapor phases of water to all be in equilibrium with each other at 0.1 MPa (see equation below)? Explain in terms of Gibbs phase rule.
Calculate the concentration of Calcium (MW 40.078 g/mol) in the H2O in units of gram per 100 mL and calculate the concentration of Calcium (MW 40.078 g/mol) in the H2O in units of gram per 100 mL.
Why is sodium bicarbonate used instread of sodium hydroxide for the initial extraction
For a solution having 1.00 x 10^-3 equivalents/L total alkalinity (contributions from HCO3-, CO32- and OH-) at [H+] = 4.69 x 10^-11, what is the percentage contribution to alkalinity from CO32-
If you wanted to make 150mL of a NaCl solution at a concentration of 1.5%, how would you dilute a 1.0 M solution
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