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1. The density of a gas is 1.48 g/L at a temperature of 24 ∘ C and a pressure of 0.784 atm . Calculate the molar mass of the gas.?

...atm/(mol•K) Molar mass, M = ? g/mol PV = nRT and n = m/M Hence, PV = (m/M)RT M = (m/...

2 Answers · Science & Mathematics · 07/04/2020

2. In triangle ABC, angle A = 42 degrees, side c = 7, and a = 8.6. Find the measure of angle B to the nearest degree.?

... A + B + C = 180, property of all triangles B = 180 - A - C B = 180 - 42 - 33 = 105 degrees Answer is D...

2 Answers · Science & Mathematics · 29/04/2020

3. Find the value of the equation?

... + ux² + vx + w = 0 So –u = 1/ a + 1/b + 1/ c   = 2 , u = -2 a , b, c are the roots of wy³ + vy² + uy + 1 = 0 a + b + c ...

5 Answers · Science & Mathematics · 23/11/2019

4. Suppose that A and B are sets with | A ^ c |=390, |B^ c |=330, |( A ∪B)^ c |=273, and |U|=493. Find: | A ^ c ∪B| and | A ∪B^ c |, (^ c is the complement)?

Draw Venn Diagram ---> | A | = 493 - 390 = 103 |B| = 493-330=163 | A ∩ B| = 46 | A ^ c ∪B| =390+46 = 436 | A ∪B^ c |=330+46=376

1 Answers · Science & Mathematics · 20/09/2020

5. 5 of the 9 letters of the word PRACTICAL are selected. How many possible selections contain at least I A and at least I C .?

... the possible five-letter selections containing both A and C are these:    Both As, both Cs , and one other letter: 5...

1 Answers · Science & Mathematics · 08/02/2020

6. Survey: Which would be a better date below and why?

B . I have impressed all the  mademoiselles I have dated by how much I know about the things at Louvre museum . I have been going there constantly since I was a young chap .

3 Answers · Entertainment & Music · 12/01/2020

7. Have the parents of 8 year old Secoriea Turner of Atlanta been invited to speak at the D.N. C . and get a "moment of silence" for their?

Please tell me Tom, any idea if the RNC will have a moment of silence for George Floyd ?

1 Answers · Politics & Government · 18/08/2020

8. Are you _______ and ___________?

I am a Republican that is embarrassed for the Democrats .

9 Answers · Politics & Government · 26/09/2019

9. What would be the final volume occupied by 1 mol of an ideal gas initially at 0° C and 1 bar if q=1000J during a ...?

first law, and isothermal and reversible ΔU = 0 = Q + W so W = -Q = -1000 J Work done in a reversible isothermal expansion is given by W = -nRT*ln(...

1 Answers · Science & Mathematics · 18/06/2020

10. In two dimensional system, there are three different A , B, C vectors. The first vector is A = 4.6i− 6.9j and then seond vector is ..?

...component). A = 4.6i− 6.9j B = -3.8 i + 6.6j The angle between C and A is 90º so their dot product is zero: (ai + bj)•(4.6i...

1 Answers · Science & Mathematics · 31/05/2020