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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
if temperature and pressure remain constant, how does the volume of a gas sample vary with the number of moles of gas present
What volume will 500 mL of gas at 20°C and a pressure of 420 mm Hg occupy if the temperature is reduced to -80°C and the pressure increased to 650 mmHg?
Using Slater's rules, calculate the relative effective nuclear charge on a 3p electron in : a)aluminum and (b) chlorine. Explain how results relate to:-the relative atomic radii of the two atoms
Derive an expression for the subsequent concentration of sodium chloride c in terms of c0, t, Q, and V. Make a sketch of c versus t and label the main features.
Calculate the density of a sphere that has a circumference of 2.00 inches and weighs 100.0 gms. (c = 2pi r) (V = 4/3pi r^3)
Answer the following questions: a) can Al3+(aq) oxidize tin (Sn) under standard-state conditions?; b) would it be OK to store an aqueous AlCl3 solution in a tin container?; c) can Sn2+(aq) oxidize aluminum (Al) under standard state conditions?; d)..
A current of 0.0100 A is passed through a solution of rhodium sulfate, causing reduction of the metal ion to the metal. After 3.00 h, 0.038 g of Rh has been deposited. What is the charge on the rhodium ion, Rhn+? What is the formula for rhodium su..
In an oxidation-reduction reaction, it required 25.6 ml of a 0.65 M potassium permanganate solution to reach the equivalence point with 15.0 mL of an iron(II) sulfate solution.
the usefulness of the addition of an internal retention time standard that elutes near the end of the chromatogram
A plane wall is constructed of a material having a thermal conductivity that varies with the square of the temperature according to the relation k=k0(1+βT2). Derive an expression for the heat transfer in such a wall.
The rest mass of a proton is 1.0072764669 u and that of a neutron is 1.0086649156 u. The 75As nucleus weighs 74.92160 u. Calculate the total binding energy of the nucleus.
If a reaction mixture initially contains 443 of and 391 of , what is the mole fraction of when equilibrium is reached.
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