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Carbon tetrachloride, CCl4, a common liquid compound, has a density of 1.58 g/cm3. If you place a piece of a plastic soda bottle (d = 1.37 g/cm3) and a piece of aluminum (d = 2.70 g/cm3) in liquid CCl4, will the plastic and aluminum float or sink?
A sample of gas with an initial volume of 27.6L at a pressure of 735 mmHg and a temperature of 309 K is compressed to a volume of 15.8 L and warmed to a temperature of 374 K.
What is the percent yield of a reaction in which 258 g phosphorus trichloride reacts with excess water to form 120. g HCl and aqueous phosphorous acid (H3PO3)
Conjugation of the functional group in alkyl socyanates has little impact on the antisymmetric -N=O stretching vibration located near 2770/cm . Explain.
the concentration of co2 in the soda is 0.14M. find the concentration of CO2 in the soda after the bottle is opened, and equilibrates at a partial pressure of 3.0 X 10^-4 atm. The henry's law constant is 3.4 X 10^-2 mol/L atm.
HA is a weak acid. An aqueous solution 0.030 M in HA has a pH of 3.93 at 25*C. What is Ka for HA
Write structural formulas for all of the possible isomers of -pentyne that can be formed by moving the position of the triple bond
A solution is prepared by mixing 13.00ml of 0.0021M (aq) Hg2(NO3)2 with 25.0ml of 0.015M HCl. Assume that volumes are additive.
Will a precipitate form on mixing 25ml of 1.0x10-3 M MnSO4, 25ml of 1.0x10-3 M FeSO4, and 200ml of a buffer solution that is 0.20 M in NH4Cl and 0.20 M in NH3
Problem- Describe clearly (using the correct terminologies) a simple visual test to distinguish an acid from a base. Please answer in a complete sentences.
Calculate the following to determine Kc for FeSCN2+. a,) moles Fe3+ initially present. b.) moles SCN- initially present
A solution made by dissolving 28 mg of insulin in 5.5 mL of water has an osmotic pressure of 15.5 mmHg at 25C. Calculate the molar mass of insulin.
A sample of chemical X is found to contain 5.0 grams of oxygen 10.0 grams of carbon, and 20.0 grams of nitrogen. The law of definite proportion would predict that a 78 gram sample of chemical X must contain how many grams of carbon
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