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Use the octet rule to predict the formula of the simplest compound formed from hydrogen and phosphorus.
gas is introduced into an evacuated 3.58 L flask at 65 deg. C, what is the pressure inside the flask
The concentration of the HCl solution is 0.1016 M HCl. What volume of 0.1338 M Ba(OH)2 would neutralize 50.00 mL of the HCl solution standardized in the situation above.
Calculate the amount of energy in kilojoules needed to change 423g of water ice at -10 deg c to steam at 125 deg c . The following constants may be useful:
for the thermal decomposition of nitrous oxide2n2g -gt 2n2g o2gvalues of the parameters in the arrhenius equation
dissolved silica in river water can be determined by the formation of a green-yellow silicmolybdate complex and the
Does the presence of water vapor affect the result? Explain why it does or does not have a large affect on the value obtained.
The electronic absorption band of a compound in solution had a Gaussian lineshape and a half-width at half-height of 4233 cm-1 and εmax = 1.54 x 104 dm3 mol-1 cm-1. Estimate the integrated absorption coefficient.
calculate the mass of MgCO3 precipitated by mixing 10.0 mL of a 0.200 M Na2CO3 solution with 5.0 mL of a 0.0450 M Mg(NO3)2
What are the percetages of each compound. Namphthalene = 17 cm^2 Phenol = 38cm^2 Toluene= 4 cm^2 question E) Calculate the retention times for th following componnts from teh following information. Component A= 7.6 cm, Component C=12.9cm. Chart sp..
What is the freezing point of water under a pressure of MPa? Assume that the density of ice is 0.915 g.cm^-3 and that of liquid water is 0.998 g cm^-3 at this pressure
Table salt contains 39.33 of sodium per 100 of salt. The Food and Drug Administration (FDA) recommends that adults consume less than 2.40 of sodium per day. A particular snack mix contains 1.19 of salt per 100 of the mix.
the solubility of co2 in water at 25 degree celsius and 1 atm is 0.034 moll. what is its solubility at a partial
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