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To verify the presence of sodium or potassium ions it is required to use the flame test. Explain why is not possible to precipitate these ions by reaction similar to those used to identify barium, silver, etc.?
What types differences in the H-NMR spectra of starting material and product do you expect to see camphor, borneol
solid carbon dioxide co2 dry ice goes directly from solid to gaseous state at -78degc. the molar heat of sublimation is
The volume of a sample of gas (2.49 g) was 752 mL at 1.98 atm and 62 degrees Celsius. the gas is? SO2, SO3, NH3, NO2, or Ne
Which satisfy the octet rule and which do not? PS3, SO2, SO3, NO3-1, CO3-2, PCl5
What pressure in torrs, will be exerted by 3.57g of nitrogen monoxide at 34 degrees C
What is the ratio of the rate constants for this reaction when the temperature is decreased from °C to °C?
A wooden artifact from a Chinese temple has a 14C activity of 34.3 counts per minute as compared with an activity of 58.2 counts per minute for a standard of zero age. From the half-life for 14Cdecay, 5715 yr determine the age of the artifact.
If 30.0mL of 0.150M calcium chloride is added to 15.0mL of 0.1 M silver nitrate, Explain how many grams of silver chloride are produced if the other product is calcium nitrate
Explain whether the molecular structure of aspirin is likely to result in it being addictive? I'm comparing the structure to methylamphetamine
A first-stage recovery of magnesium from seawater is precipitation of Mg(OH)2 with CaO: Mg2+(aq)+CaO(s)+H2O(l)---->Mg(OH)2(s)+Ca2+(aq).
How much limestone (CaCO3) in kg would be required to completely neutralize a 5.2 x 10^9 L lake containing 5.0 x 10^-3 g of H2SO4 per liter?
which effect on atomic size is more significant the nuclear charge or the energy level that electrons are filling?
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