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1. ### Why do we say words like this in English? ?

..., from Greek kyklos and in the original it was a hard c(k) but given its relationship to a word like circle which comes to...

5 Answers · Society & Culture · 08/04/2020

2. ### 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.?

Density, d = 1.48 g/L Temperature, T = (273 + 24) K = 297 K Pressure, P = 0.784 atm Gas constant, R...

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

3. ### Why are Trumpians suddenly trusting the scientists?

It’s a good point! Only when it’s convenient to them. The rest of the time they love living in DumboFu c k ingville!

11 Answers · Politics & Government · 05/04/2020

4. ### How many liters if hydrogen (at 744 torr & 24°C) react with 23.0 g of propylene?

...now many liters of hydrogen (at 744 torr & 24°C) V = nRT/P = (11.5)(62.36)(273.16+24... R = gas constant = 0.08206 (atm∙L)/(mol∙K)                    8.314 L∙kPa/mol∙K...

2 Answers · Science & Mathematics · 03/04/2020

5. ### Does anyone else find it hilarious that cons try to defend trump over his coronavirus crisis failure by screeching "but obama and h1n1!"?

... the conservatives are just stupid F. U. C. K. S. at this point. Trump has failed beyond belief. ...

9 Answers · Politics & Government · 03/04/2020

6. ### Chemistry help, please? Can you add how you did it too, if possible?

(1.90 atm) x (-1.00 + 273.15) K / (24.0 + 273.15) K = 1.74 atm

1 Answers · Science & Mathematics · 03/04/2020

7. ### Two identical positive charges exert a repulsive force of 6.4 × 10−9 N when separated by a distance 3.8 × 10−10 m.?

...force in newtons    r is separation in meters    k = 8.99e9 Nm²/C² 6.4e-9 = (9e9)q² / 3.8e-...10)²  = 6.4e-9/9e9 = 0.711 q/ 3.8e-10 = 0.843 q = 3.20e-10 C or 320 pC

2 Answers · Science & Mathematics · 27/03/2020

8. ### Ordinary differential equation..?

...ball m = 98N / 9.8m/s² = 10 kg spring constant k = F/x = 98N / 1.09m = 89.9 kg/s² ..., the roots of the ODE are r = (-c ± √(c² - 4mk)) / 2m r = (-100kg/s ± √6403kg²...

2 Answers · Science & Mathematics · 22/03/2020

9. ### How many moles of gas does the cylinder contain? ?

... of moles R = gas constant = 0.08206 (atm∙L)/(mol∙K)                    8.314 L∙kPa/mol∙K...

1 Answers · Science & Mathematics · 11/03/2020

10. ### You connect a battery, resistor, and capacitor as in (Figure 1), where E = 51.0 V, C = 5.00 μF, and R= 110 Ω. The switch S is closed at t= 0?

T = R*C = 5.0 *110 =  0.55 msec  8/51 = 1-e^-k 43/51 = e^-k k = -ln 43/51 = 0.1706 = t/T t = T*0.1706 = 94 μ sec

1 Answers · Science & Mathematics · 10/03/2020