How much work has been done in joules
A piston has an external pressure of 13.0 atm. How much work has been done in joules if the cylinder goes from volume of 0.150 liters to 0.570 liters?
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A turntable accelerates from rest with a constant angular acceleration of 1.5 rad/s. A ladybug is standing near the edge of the spinning record. Which plot best represents the total linear acceleration of the ladybug as a function of time? (t = 0
Calculate the number of moles of gas in a 3.24 L basketball inflated to a total pressure of 24.3 psi (pounds per square inch) at room temperature (25 degrees Celsius).
The value of Kp for Br2(g)............2Br(g) at 700 K is 2.9e-5.At 500 K value of Kp be higher,lower or the same as that at 700K.Explain ? first predict whether this reaction is endothermic or exothermic?
Calculate the concentrations of all species in a 1.29 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
Determine the Ka of an acid whose 0.294 M solution has a pH of 2.80
What is a PCO, what services do they provide, and why do we need to ensure that they are licensed? What is an example of one in your local area?
If 6.46 L of gaseous ethanol reacts with 16.1 L O2, what is the maximum volume of gaseous carbon dioxde produced
Explain how the solution containing equimolar amounts of HCHCO2 and KCHO2 resist change in pH when strong acid is added and also when strong base is added?
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If a child's achievement is below what would be expected given their level of intellectual functioning (as derived from an IQ test such as the WISC-IV)
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