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1. One mole of which gas has the greatest density at STP? A) CO2 B) Ar C) Kr D) All three gases have the same density.
2. Calculate the root mean square velocity for the O2 molecules in a sample of O2 gas at 11.8°C. (R = 8.3145 J/K mol) A) 95.94 m/s B) 14.89 m/s C) 471.1 m/s D) 272.1 m/s
3. Which of the following properties of a real gas is related to the b coefficient in the van der Waals equation? A) Real gases consist of molecules or atoms that have volume. B) The average speed of the molecules of a real gas increases with temperature. C) There are attractive forces between atoms or molecules of a real gas. D) The rate of effusion of a gas is inversely proportional to the square root of the molecular weight of the gas.
4. Aqueous solutions of sodium sulfide and copper(II) chloride are mixed together. Which statement is correct? a . A) Both NaCl and CuS precipitate from solution. B) No reaction will occur. C) CuS will precipitate from solution. D) NaCl will precipitate from solution.
5. Which statement is true of a process in which one mole of a gas is expanded from state A to state B? a . A) When the gas expands from state A to state B, the surroundings are doing work on the system B) The amount of work done in the process must be the same, regardless of the path. C) It is not possible to have more than one path for a change of state. D) The final volume of the gas will depend on the path taken.
Deterministic techniques assume that no uncertainty exists in model parameters. The probabilities of mutually exclusive events sum to zero.
Let h be a differentiable function defined on the interval [0,3], and assume that h(0)=1 h(1)=2 and h(3)=2. a- argue that there exists a point d belong to [0,3] where h(d)=d.
Part One: Create a chart to compare and contrast the major legislative influences on the labor relations process. Your chart must contain at least five major legislative acts and how they affect management and unions. Columns should include the l..
Use a change of variables to find the volume of the solid region lying below the surface f(x,y)=x^2 and above the plane region bounded by the line 2y - x = 1, 2y â?" x = 0, x = 1, and x = 2.
Find the formula for the Laplace transform of the derivative of a function y′. Use the initial condition y(0)=y0y(0)=y0, use y and y′ respectively for y(t) and y′(t) and Y for the Laplace transform of y.
Express logarithm into exponential form and solve logarithmic equation and solve the log 4 2 = 1/2 in exponential form.
The combined math and verbal scores for students taking a national standardized examination for college admission, is normally distributed with a mean of 880 and a standard deviation of 180. If a college requires a student to be in the top 40 % of..
When NAND or NOR gates are used to represent circuits, no other types of gates are needed. The notation for these gates is as follows:
The quadratic equation has a portion known as the discriminate. What is the discriminate? What is it used for and what can it tell you about the quadratics?
Problem - Evaluate ∫∫D xy dA where D is the region bounded by y = x -1 and y2 = 2x +6 by the following the steps. Compute the value of the integral
The length of an office is x feet and the width is x+1 feet. Write the polynomial that represents the area. Find the area if x=8
In an electrical outlet, the voltage, V , in volts, is given as a function of time, t, in seconds, by the formula V = V0 sin(120?t).
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