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Thyroxine is synthesized produced by the thyroid gland. Because of the kinds of atoms that represent in a thyroxine molecule, explain why iodide ion (as KI) is required in the diet.
Calculate the total quantity of heat required to convert 25g of liquid ccl4 from 35 ºC to gaseous CCl4 at 76.8ºC(the normal boiling point for CCl4). The specific heat of CCl is 0.857J/(g ºC), its heat of fusion is 3.27 kJ/mol, and its heat of vapo..
the specific gravity of mercury is 13.64 . what would be the mass of a sample of mercury that occupies a volume of 4.55
Draw a 3-dimensional sketch, using dashes and wedges. Be sure to show all atoms (no line drawings), to draw pi bonds (with sets of overlapping p orbitals) and to include the orientation of lone pairs of electrons.
How many milliliters of a 9.0 M H2SO4 solution are needed to make 0.25 L of a 3.5 M H2SO4 solution?
Although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. Complete the mechanism and draw the missing substances.
a 19.3 g mixture containing sodium sulfide and calcium chloride. 86.9% sodium sulfide and 63.9% by mass chlorine. what is the grams of chlorine?
Calculate the [CH3CO2H] ionized in solution for 0.1M acetic acid knowing that ph= 2.9 [H+]= 1.26 x 10^-3 M , [OH-]= 7.94 x 10^-12 M
The brominated product of acetanilide is disubstituted aromatic ring( 2 groups on the benzoering)draw any constitutional isomer that has a monosubtituted aromatic ring and the compound should not have any formal charge
Calculate the solubility (in moles/liter) of the salt MX in the presence of the common ion X- (concentration 1.90E-1 M) if the value of the solubility product constant Ksp for the salt is 1.00E-16.
question consider the following reaction ch3-cl i- ? ch3-i cl- suppose we start the reaction with an initial
Explain Copper (Cu) dissolves in nitric acid (HNO3), producing copper (II) nitrate, Cu (NO3)2, nitrogen dioxide (NO2) and H2O. Explain what mass of NO2 could possibly be produced by the reaction of 5.00g of Cu and 25.0 g of HNO3
Consider the following reaction: 2 HI(g) -> H2(g) + I2(g) If 3.55 moles of HI(g), 0.550 moles of H2, and 0.630 moles of I2 are at equilibrium in a 1.00 L container at 915 K
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