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Kiki releases a rock at rest from the top of a 80 m tower. What is the speed of the rock as it hits the ground?
if an air bubble is originally trapped in the buret tip but disappears during the titration how does this affect the
Examine the following set of ionization energy values for a certain element. How many valence electrons does an atom of the neutral element possess
If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 94.11 g/mol, how many grams of this compound must you burn to release 256.70 kJ of heat
Really confused on calculating/finding the half-equivalence point in a titration curve. This was a lab experiment done in my chem lab. We added 0.0750 M NaOH to acetic acid (pipet 10.00mL of ~0.1M HCH3CO2 into the beaker and add 40mL of DI water).
With regard to the solutions you discarded in this experiment a. Classify the salt discarded from the centrifuge tubes in Step 11.
What are the vant Hoff factors of C2H5OH (no dissociation), NaCl (full dissociation), Na2CO3 (full dissociation)
Identify the property of gas that is measured in each of the following: a) 425 K; b) 1.0 atm; c) 10.0 L; d) 0.50 mol of He.
Like sulfuric Acid, a certain diprotic acid, H2A, is a strong acid in its first deprotonation and a weak acid in its second deprotonation. A solution that is 0.020 M H2A (aq) has a pH of 1.66. What is the value of Ka2 for this acid
(1) indicates bond types. Give the range for (a) a nonpolar covalent bond (b) a polar covalent bond (c) an ionic bond. (2) name and describe the method for lattice enthalpy measurement
Acyl chloride can hydrolyze in water spontaneously to carboxylic acid. In the interfacial polymerization water is used as one of the solvent, why you don't have to worry about the hydrolysis of sebacoyl chloride in this action
For the following reaction KClO3---->KCl+1/2 O2 assign oxidation states to each element on each side of the equation. reactants and products. Which element is oxidized? Which element is reduced
Container A holds 727 mL of ideal gas at 2.20 atm. Container B holds 134 mL of ideal gas at 4.20 atm. If the gases are allowed to mix together
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