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How do I related density to Avogadro's Number? Cesium exists at room temperature as a body centered cube structure with a lattice parameter a = 6.06 A. What is the density of Cesium?
Talc is a mineral that has low conductivity for heat and electricity and that is not attacked by acid. It is used as talcum powder and face powder. A sample of talc weighs 35.97 g in air and 13.65 g in mineral oil (d = 1.75 g/cm3). What is the den..
Which anions generally do not form precipitates? What are the exceptions?
What is the charge-to-mass ratio of an ionized hydrogen atom (proton)? Of doubly ionized helium? Would it be difficult to distinguish hydrogen from helium.
Calculate the mass of silver chloride required to plate 225 mg of pure silver.
A fluorinated organic gas in a cylinder is com- pressed from an initial volume of 960 mL at 158 Pa to 478 mL at the same temperature. What is the final pressure? Answer in units of Pa.
the complete combustion of octane c8h18 the main component of gasoline proceeds as follows2 c8h18l 25 o2g-----gt16
What proportions of hexane and heptane should be mixed (a) by mole fraction and (b) by mass in order to achieve the greatest entropy of mixing
What is the rockets maximum altitude?
Diabetics of ten needed injections of insulin to help maintain the proper blood glucose levels in their bodies. how many moles of insulin are needed to make-up 45mL of 0.0052 M insulin solution
consider a van parked in a lot outside a professional football stadium in atlanta ga on a sunday afternoon. one ounce
What would happen to the dura mater, arachnoid layer, and pia mater after a stroke? In the cerebral cortex is the four lobes
A X^2+ ion derived from a metal in the first transition metal series has four electros in the 3d subshell. What element might X be?
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