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If you eat a 48 g serving rice every fourth day and you weigh 75 kg, what is your dose of inorganic arsenic (in µg per kg body weight per day) if the rice contains 386 µg kg-1of total arsenic, 45% of which is inorganic arsenic.
While you are reading a thermometer, parallax errors will takes place if your eye isn't parallel with the alcohol (or mercury) level. If your eye were below the alcohol level, thus that you were looking up at it, would your reading be higher or lo..
If 48.8 g of O2 is mixed with 48.8 g of H2 and the mixture is ignited, what is the maximum mass of water that may be produced
The reaction of methane and oxygen yields carbon dioxide gas and water. The unbalanced reaction is as follows: CH4(g) + O2(g)--->CO2(g) + H2O(g)
workplace trends within and outside health care require employees to connect with an ever-widening array of coworkers
Two compounds have the same empirical formula. one substance is a gas, the other is a viscous liquid. how is.. it possible for two substances with the same empirical formula
Based on formal charges, which statement about the best Lewis structure of a molecule composed of one atom each of N, S, and Cl is correct
Write the formulas for each of the following ions and compounds: (a) tetrahydroxozincate(ll) (b) pentaaquachlorochromium
use the mole ratio to determine the number of moles of carbon dioxide produced when 0.136 mole of 1-heptanol reacts
what is the distribution coefficient for compound A that is soluble in diethyl ether to the extent of 20g/100ml at room temperature and soluble in water to the extent of 5.0g/100ml at the same temperature
an unknown amount of compound w is composed of 42g of hg1.26x1023 atoms of cl and 0.63 mol of o. its molecular weight
A 0.8612 g sample of a mixture consisting of NaBr, NaI, and NaNO3 was analyzed by adding AgNO3 to precipitate the Br and I, yielding a 1.0816g mixture of AgBr and AgI.
a current of 0.500 a is passed through an electrolytic cell containing molten mgcl2 for 2.00 h. calculate the quantity
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