New network assistant has ordered a batch
Your new network assistant has ordered a batch of RJ-11 connectors to keep in reserve for building network cables on your twisted-pair network. Is this order appropriate for your company's needs?
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A tank is initially filled with 1000 litres of brine, containing 0.15kg of salt per litre. Fresh brine containing o.25kg of salt per litre runs into the tank at the rate of 4L/s, and hte mixture (kept uniform by vigorious stirring) runs out at
Ethylene glycol, HOCH2CH2OH, is effective as an antifreeze, but it also raises the boiling temperature of automobile coolant. What is the freezing point of a 50.0% solution of ethylene glycol in water?
An aqueous solution of a nonelectrolyte boils at 100.32C. What is its expected freezing point?
a piece of gold jewelry that weighs 9.35 g and has a volume of 0.654 cm3. The density of pure gold is 19.3 g/cm3 and the density of pure silver is 10.5 g/cm3. Find the percent composition of gold and silver
Water flows through a pipe AB 1.2 m diameter at 3 m/s and then passes through a pipe BC 1.5 mdiameter. At C, the pipe branches. Branch CD is 0.8 m in diameter and carries one third of the flow in AB.
The dry sample of gas had a mass of 4.20 g. At 21 degrees celsius the vapor pressure of water is 18.65 torr. What was the molecular weight of the gas?
If the barometric pressure is 784 torr and the experiment is carried out at 25 oC, what is the pressure of the gas collected?
A very long cylinder of linear dielectric material is placed in an otherwise uniform electric field Eo. Find the resulting field within the cylinder. (the radius is a , the susceptibility is Xe , and the axis is perpendicular to Eo.
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