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Posts by silent

Total # Posts: 8

life orientation
identify three courses or study fields

physics
There are 1.36 kgm of air at 137.9 Kpaa stirred with internal paddles in an insulated rigid container whose volume is 0.142 m3, until the pressure becomes 689.5 Kpaa. Determine (a) the work input, (b) Δ(pV), and (c) Q. Cp=1.0062 kj/(Kgm.°K), Cv = 0.7186 kj/(Kgm.°K...

physics
While the pressure remains constant at 689.5 kpaa the volume of a system of air changes from 0.567 m3 to 0.2283 m3. Determine (a) ΔU, (b) ΔH, (c) Q, (d) ΔS. (e) If the process is nonflow and internally reversible, what is the work? Cp = 0.24Btu/(lbm.° R), Cv...

college physics
Calculate the angular speed of the moon if it makes a revolution around the earth in 27.3 days?

college physics
A wheel starts from rest and increase it's rotational speed;time required to reach that speed;Uniform angular acceleration.

college physics
What is the force applied in the direction of the wire at a point attached to the patient in a traction system, if the mass applied is equal to 5kg?

Chemistry
molar mass=grams/n

chemisty
A nitric acid solution is neutralized using sodium hydroxide. How many grams of sodium hydroxide are needed to neutralize 5.50 L of 1.200 M nitric acid solution? HNO3 (aq) + NaOH (aq) → H2O (l) + NaNO3 (aq)

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