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Describe in brief the risk connected with solutions of 1M NH3, 1M HCl, and 1M NaOH?
external pressure of 13.0 atm had by piston determine how much work (W) has been done in joules when the cylinder's volume goes from 0.150 liters to 0.570 liters?
The recovered CuSO4•5H2O was then heated for 20 minutes at 120°C. The mass of the new hydrate was 2.17g. (The molar mass of H2O = 18.015 g/mol, and the molar mass of CuSO4= 159.61g/mol) Calculate the mass of CuSO4 in the new hydrate (CuSO4•XH2O).
a large flask with a volume of 936 ml is evacuated and found to have a mass of 134.66g. it is then filled to a pressure
suppose you have 0.001 m solution of a dye with pka of7.2. from the color concentration of protonated form is found to
What is the equilibrium constant, K, value (ignore units) at 441.3 K for the following reaction ? N2(g) + 3 H2(g) ? 2 NH3(g) [Note (all at 25oC): (1) Standard enthalpies of formation for N2, H2, and NH3
Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16.
What volumes of these two solutions must you mix in order to obtain 200 mL of your required buffer
Name the product of reaction, Give and name the products when 3-t-butyl 2,4-dimethyl 1-hexene reacts iwth the following assume the proper catalysts are present
the calculated H neutzn be higher, lower, or the same as the literature H neutzn? briefly explain this difference as a result of using only one graduated cylinder for the experiment
1. what mass of phosphorous trichloride forms when 125g of P4(S) reacts with 323g of chlorine gas?
draw the newman projection of butane along the C2-C3 bond where the dihedral angle between the two methyl groups is 60
A solution initially 0.100 M in HOCl and 0.300 M in NaOCl. What is the pH in 0.030 mol of solid NaOH is added to 1.00 L of this solution? Assume no volume channge.
If 160mL of wet H2 is collected over water at 24 degrees Celsius and a barometric pressure of 738torr , how many grams of Zn have been consumed
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