Propose a possible identity for the metal m
An "A" group metal (M) reacts with chlorine and oxygen to form ionic compounds with the formulas MCl4 and MO2. Propose a possible identity for the metal M. Explain your reasoning.
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A student placed 17.5 g of glucose in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100 mL mark on the neck of the flask was reached. The flask was then shaken until the
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
Diethyl ether is a volatile organic compound. the vapor pressur of diethyl ether is 401 mmhg at 18 degrees C and th hat of vaporization = 26.o kJ/mol. calcuate the vapor pressure of diethyl ether at 0 degrees c.
If the final temperature reached by the alloy sample and water is 27^{circ}{rm C}, what is the specific heat ({rm cal}/{rm g}^circ{rm C}) of the alloy?
What is the orientation of the hydroxyl group when the compound is in chloroform solution? What evidence supports this?
What mass of sucrose should be combined with 474 of water to make a solution with an osmotic pressure of 8.55 at 310 ? (Assume the density of the solution to be equal to the density of the solvent.)
Assume that a particular process evolves 224 kJ of heat and that 35 kJ of PV work is done on the system at constant pressure. What are the Enthalpy Change & The Internal Energy Change for this process?
Calculate the amount of heat trasnferred when 3.55 g of Mg(s) reacts at constant pressure.
what is the freezing point of a solution made by dissolving 42.392g of anthracene (C14H10) in 150.0mL of toluene?
Exactly 10.0 mL of an unknown sample of Ni2+ gave a current of 2.36 ?A. After 0.500 mL solution of 0.0287 M Ni2+ was added to the 10.0 mL sample, the current increased to 3.79 ?A. What is the concentration of Ni2+ in the sample?
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