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Problem- What types of crystals are formed by the following solid elements and compounds: C, CCl2F2, CaCO3, and NH4F? In each case, state the type of forces among the particles that make up the lattice.
Please explain how you came up with answer I really want to understand how to calculate this
Choose the correct equation for the standard enthalpy of formation of CO(g), where change Hf for CO= -110.5kJ/mol? (gr indicates graphite)
Problem- Why should 10% sodium bicarbonate be added slowly to a reaction mixture (acetic acid, 1-octanol, sulfuric acid) in my case. What by-product is being created
Write and balance the equation for the complete combustion of ethane, C2H6. You do not need to include any phase symbols
Calculate the magnitude of the current in amperes if the number of moles of hydrogen gas produced is 5.99×10?4 .
What is the pH of a 0.15 M solution of the weak base ammonia (NH3). The Ka of the conjugate acid is (NH4) is 5.6e-10.
The density of a salt solution is 1.13 gm/cm3. The solution contains 17.0% sodium chloride by weight (there are 17 gm of NaCl for every 100 gm of solution) . What volume of solution will contain 35.0 gm of NaCl
Arrange these compounds in order of increasing boiling point and explain your reasoning. (assume similar mass) CH3OCH3 CH3CH2CH3 CH3CH2OH 2. Which of the following compounds would have the greater viscosity?
Calculate the concentration of Ni2+ in a solution that was prepared by mixing 50.0 mL of 0.020 M Ni2+ with 50.0 mL of 0.0300 M EDTA. The mixture is buffered at a pH of 3.0.
What is the value of q when 7.12g of water vaporizes at 373 K? The enthalpy of condensation of water at 373 K is -40.7 kJ/mol.
A gas occupies 678 ml at 0.935 atm and 70 F, what will its volume be at 1.078 atm and 70 C
On titration of a sample weighing 0.573g , 94.1mL of 0.105 MNaOH was required to reach an equivalence point. Fumaric acid reacts with 1 mol ofHCl to give an addition product and with 1 mol of H2 to give a reduction product. ???what is the empirica..
what mass in grams of sodium nitrate nano3 is produced if 20.0 g of sodium azide nan3 in a dilute aqueous solution are
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