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1. ### A freezer sits in a large room. A container of liquid water, with a volume of 4.7 L and at a temperature of 0° C ?

...heat is taken=  ΔS =Q/T = 5.75kJ/ K c ) COP = 4  = Q/(Qr-Q) =4 1569.8 / (Qr- 1569.8...

1 Answers · Science & Mathematics · 14/08/2020

2. ### At a certain temperature, 0.740 mol SO3 is placed in a 4.0L container. ?

This equilibrium shifts to the right, forming "X" mol of O2 2SO3(g) = 2SO2(g) + O2(g) moles in the reaction at equilibrium  0.740 - 2X = 2X  ........ X since X = 0.130 this becomes 0.480 =    0.260 .. 0...

2 Answers · Science & Mathematics · 14/08/2020

3. ### E cell question chemistry?

E°cell = [RT/(nF)] ln( K ) E°cell = [8.314 × (273 + 25) / (1 × 96485)] ln(2.1 × 10⁻³¹) E°cell = -1.81 V

1 Answers · Science & Mathematics · 12/08/2020

4. ### How to program LFSR in C programming langugage?

The LFSR routine just needs to take the XOR of the bits used for the shift register "taps" and feed that result back in to the register when it is shifted. To my view, they are over-complicating it by...

1 Answers · Computers & Internet · 13/08/2020

5. ### A cylinder with a moveable piston on top, free to move up and down, contains one mole of an ideal gas initially at a temperature of Ti=4.0° C ?

a) Use PV=nRT to obtain initial Vol. 1(8.314)(4 +273)/101.3 x 10^3 pa   = 0.02273m^3 At constant pressure, T'/T = V'/V          =3V/V= 3 so, final Temp. T'= 3T    = 3(4C + 273K...

1 Answers · Science & Mathematics · 14/08/2020

6. ### A 5 kg mass oscillates with an amplitude of 7 cm and a period of 0.825 s. ?

...frequency f = 1/T = 1.21 Hz b) angular frequency ω = 2πf = 7.62 rad/s c ) ω = √( k /m), so k = mω² = 290 kg/s² d) max F = k *A = 20.3...

1 Answers · Science & Mathematics · 13/08/2020

7. ### Concentration of B at equilibrium? ?

A(aq)   ⇌   2B(aq)   Kc = 5.85 × 10⁻⁶ Initial:     3.10 M          0 M Change:  -y M          +2y M Eqm:   (3.10 - y) M     2y M At equilibrium: Kc...

1 Answers · Science & Mathematics · 11/08/2020

8. ### How many units from (0,0) is the point on the circle (x+12)^2 + (y-5)^2 = 16 that is closest to (0,0)?

...the center will also yield the closest point. line is y = kx 5 = –12k k = –5/12 equation is y = –(5/12)x where does this intersect the circle...

3 Answers · Science & Mathematics · 12/08/2020

9. ### Value of the equilibrium constant? ?

...]²) = 2.69 2C ⇌ D           K₂ = [D]/[ C ]² = 0.276 D ⇌ A + 2B     K = ? K = [A][B]²/[D] = ([A][B]²...

1 Answers · Science & Mathematics · 11/08/2020

10. ### Chemistry help please ?

...have been defined as 100 kPa and 273.15 K . By this definition, 1 mole of an ideal gas has...mol NH3 X 17.02 g/mol = 1.90 g NH3 c . 0.112 mol X 6.022X10^23 molecules...

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