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Which of the following solids is a covalent network? 1. H2O(s) 2. CaCO3(s) 3. Ni(s) 4. SiO2(s)
For carbon tetrachloride, the boiling point constant is 5.03°C·kg/mol, and the boiling point of pure carbon tetrachloride is 76.50°C.
At 0.500 atm and 15.0 degrees celcius a sample of gas occupies 120 L. What volume does sample gas occupy at 0.850 atm and 10.0 degrees celcius?
Suppose that S is regarded as a function of P and T. Show that TdS = CpdT- aTVdP where a is the thermal expansion coefficient. (a=alpha)
Draw the appropriate titration curve for the tripeptide Met-Lys-Val, starting at pH 1 and ending at pH 12, On the curve label the pKas and the pI
5.00 mL of a 0.650 M solution of oxalic acid are dilute to 25.00 mL. If 27.11 mL of a NaOH solution are required to neutralize this diluted oxalic acid, what is the concentration of the NaOH in molarity terms
Complete the following reaction and include All possible isomers of the product. One equivalent of each ligand is added to the reaction at the same time.
Determine the molecular formula of a compound which has a empirical formula of CH3 and a molar mass of 60.0 g/mol.
What is the final concentration (in molarity) of the sodium acetate and the acetic acid. Prove that the student has correctly calculated the volume of sodium acetate that she needs.
Fully explain two disadvantages of the colorimetric method to determine the concentration of species over te classial titration method. using two chemichal reactions explain how iodate ions and ypochlorite ions both act as oxidizing agents
3.8 g of a hydrocarbon fuel is burned in a calorimeter that contains 234 grams of water initially at 25.00 ? C. After the combustion, the temperature is 26.55 ? C
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose that a can contains a residual amount of gas at a pressure of 770 mmHg and a temperature of 30 C
Determine the moles of benzene that would be needed to completely react with 0.445 moles of oxygen
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