What is the concentration of sodium chloride
A solution is made by dissolving 3.14g of NaCl in 79.9mL of water. What is the concentration of sodium chloride in units of weight/volume percent?
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Consider a 1000-W iron whose base plate is made of 0.5-cm-thick aluminum alloy 2024-T6 (density= 2770 kg/m3 and cp= 875 J/kg · °C).
Develop a relation for the drag force exerted on the pipe wall by the fluid in the flow direction per unit length of the pipe.
The first ionization energy of bismuth is Ei1=+703 KJ/mole. What is the longest possible wavelenghth of light that could ionize an atom of bismuth?
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A steam generator comprises a boiler drum, a super heater, an economizer and an air preheater. The feedwater enters the economizer at 140oC and leaves as saturated liquid.
Use the dipole moments of and ( HCl= 1.08, Hf= 1.82) together with the percent ionic character of each bond ( HCl= 20% ionic, HF= 45% ionic) to estimate the bond length in each molecule.
If 90.0 of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m. ?
What is the density of a block of marble that occupies 253 cm and has a mass of 752 g? Answer in units of g/cm
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