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Lithium has only two naturally occurring isotopes. The mass of lithium-6 is 6.01512 and the mass of lithium-7 is 7.01601. Use the atomic mass of lithium to calculate the relative abundances of the two isotopes.
The value of deltaH for the reaction CH3OH (l)---->CO (g) +2H2 (g) is +128.1 kJ? How many kJ of heat are consumed when 5.10 g of CO (g) is formed as shown in the equation
Write a balanced chemical equation for the reaction of chlorine with thiosulfate ion, assuming an acidic solution.
1.00 grams of magnesium and 2.50 grams of oxygen react together in a synthesis reaction to form magnesium oxide. write
Suppose that 100.0 mL of a 0.120 M solution of magnesium chloride is mixed with 100.0 mL of .210M sodium hydroxide. Assume that the volumes are additive (which is only approx correct) and calculate the molarity of the chloride ion in the final sol..
Calculate the energies of the first four rotational levels of H^127 free to rotate in three dimensions, using for its moment of inertia I=uR^2, with u= mHmI/(mh+mI) and R= 160 pm.
If 500 cc (cubic centimeters) of 2.0 M KOH are diluted with water to a volume of 1.000 cc, what is the molarity of the new solution
what mass of KO2 in grams is required to react with 8.90-L of CO2 at 22.0 C and 767mm Hg? first calculate the number of moles of CO2 (R=0.08026 L*atoms/ mol*K) find moles of Co2 and mass of KO2 in grams?
Find the partial pressure and concentration of Nitrogen, Oxygen, and Carbon dioxide.
What would happen if too much triethyamine was added to the reaction? Also if you added too much acrylic acid?
If 0.384 moles of Zinc reacts with excess Lead(IV) sulfate, how many grams of zinc sulfate would be produced in the following equation?
How mant grams of Ag3PO4 can be produced from the reaction of 2.5 liters of 0.200 M AgNo3 with an excess of 0.75 M K3PO4 solution according to the following equation
a-Calculate [OH-] of a 2.25×10^-1 M aqueous solution of hydroxylamine (HONH2, Kb = 1.1×10^-8).? part b-Calculate the pH of the above solution. pls show the step wise answer since i'm struggling with chem. (the full answer) to get the full rate:)
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