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Name each of the subsequent ionic compounds containing a polyatomic ion. NH4F, NaClO4, FePO4, CoSO4, KCLO3. Explain
If this energy were used to vaporize water at 100 C , how many grams of water could be vaporized. The heat of vaporization of water at 100 C is 40.7 kJ/mole
A solution is prepared by dissolving 0.2222 g of KIO3 in 50mL. Find the molarity and its uncertainty with an approximate number of significant figures
What is the nuclear binding energy per mole if the mass defect of a certain isotope is 0.4941 u per atom or 0.4941 g per mol? Express your answer in joules.
C2H5OH(l) + C3H7COOH(l) C3H7COOC2H5(l) + H2O(l) Determine the mass of ethyl butanoate produced if 3.30 mol of ethanol is used.
Calculate the pH for an aqueous solution of acetic acid that contains 2.15x10^-3M hydronium ion.
If 26.0 g of ammonia gas has a temperature of -6.70 C and a pressure of 535mmHg , what is its volume
assume you completely hydrolyze a sample of the peptide phe-val-lys-ser using the appropriate protease in a phosphate
Calculate the expected pH of 0.05 M HAc, 0.05 M Ac-, and 0.05 M HAc/0.05 M Ac- after the addition of 1 mL 1.0 M NaOH to each.
Predict the distance between Si atoms in solid silicon. How does this compare to the distance between C atoms in diamond, Which has the same structure as solid silicon
write a nuclear equation to describe the neutron induced fission of u-235 to form xe-134 and sr-100. determine how many
KCL has the same structure as NaCl, the length of the unit cell 638 pm the denstiy of KCl is 1.984 g/cm3 and its formula mass is 74.55 amu. what is avogadro's number?
Chlorine has two stable isotopes, 35Cl and 37Cl. If a sample of chlorine has an average molar mass of 36.127139 g/mol, what percent of the sample is composed of the lighter isotope, 35Cl
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