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2)Which of the following statements is true? A. Gas particles are attracted to one another and therefore behave as grouped particles. B. The volume occupied by particles of a gas typically accounts for about 10-25% of the container volume C.Particles in a gas have very little space between them D. Gases consist of molecular(or atomic) particles moving at any given instant in straight lines 2)An empty crucible has a mass of 25.70g. After some copper (II) sulfate pentahydrate is added, the mass is 28.855g. What is the mass of the copper (II) sulfate pentahydrate in the crucible? A.3g B.3.2g C.3.16g D.3.1550g 3)which of the following represents units in which density might be expressed? A.liters/seconds B.liters/grams C.milligrams/miles D.kilograms/pints
At a certain temperature, the solubility of strontium arsenate, Sr3(AsO4)2, is 0.0690 g/L. What is the Ksp of this salt at this temperature
What is the theoretical yield (in g of precipitate) when 15.5 mL of a 0.701 M solution of iron(III) chloride is combined with 16.7 mL of a 0.6 M solution of lead(II) nitrate
Explain why construction of a linear calibration curve for emission spectroscope does not require any logarithmic data manipulation (as is required for absorption spectroscope
A variety of different products could be formed in this reaction; for this problem assume all unique products are formed that only 1 Br is present in each alkyl halide product. how many of the potential alkyl halide products would have at least on..
The solubility of an ionic compound M2X3 (molar mass = 320. g) is 2.1 multiplied by 10-17 g/L. What is Ksp for the compound?
Propose a structure for an amine of formula C4H9N, which does not liberate a gas when treated with NaNO2 and HCl, and has IR absorptions at 917 cm-1, 990 cm-1, and 1640 cm-1, as well as an N-H absorption at 3300 cm-1. The 13C NMR spectrum is as fo..
How much heat in kilojoules is evolved or absorbed in the reaction of 233.0 g of calcium oxide with enough carbon to produce calcium carbide? Is the process exothermic or endothermic
Suppose the pH of the water is 4.67 and that the concentration of iron(II) in the water is 5.17x 10-5 M, what is the potential of the corrosion reaction under the above conditions at 298 K?
calculate the molality of each of the following solutions: a)14.3g of sucrose in 676g ofwater b)7.20 moles of ethylene glycol in 3546g of water.
A 8.0 L sample at 25 °C and 1.00 atm of pressure contains 0.5 moles of a gas. If an additional 0.75 moles of gas at the same pressure and temperature are added, what is the final total volume of the gas?
Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s^-1. If you start with 7.0×10?2 M I2 at this temperature
the diameter of a neutral helium atom is about 1x10 pm.suppose that we could line up helium atoms side by side in
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