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An unknown element has two naturally occurring isotopes. Isotope 1 has a mass of 120.0 amu and an abundance of 40%. Isotope 2 has a mass of 122.0 amu. What is the atomic mass of the element?
In situations where it is not possible to return samples to Earth for analysis, the presence of extraterrestrial life may be uncovered by making spectroscopic measurements.
What is the molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6, mol wt = 180 g/mole) in 35.5 mL of solution
A clear container becomes a uniform color after a small amount of colored gas is added. A raindrop falls to earth.
Arrange the following elements in order of increasing ionization energy, and explain how you know the order
isopentyl alcohol, how many grams of isopentyl acetate could you theoretically produce assuming only a 65% attainable yield?
Hydrogen bonding will not occur in molecules that contain bonds between hydrogen and a] bromide b] fluorine c] nitrogen d] oxygen
Provide the structure of the Claisen's pruduct in the self condensation of methyl phenyl acetate.
Which of the following is a tertiary alkyl halide. Can you please expalin why A) (CH3)2CHBr B) (CH3)2CHCH2CI C) (CH3)3CCI D) CH3CH2CHBr2 E) CH3CHBr2
What mass of HClO4 should be present in 0.600 L of solution to obtain a solution with a pH of 2.50?
Calculate the pH of the solution that results from each of the following mixtures.160.0 mL of .27 M HF with 220 mL of .32 NaF
Which of the following bond moments would cancel the lone pair moment? S=O S-F N-H another lone pair Consider the molecules F2, OF2, PF3, CF4, and BF3. Which molecules have a dipole moment?
From the solubility data given, calculate the solubility products for the following compound Ag3PO4, 6.7 x 10^-3 g/L
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