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1. Explain what it means that the atomic mass of naturally occurring Ag, is a mixture of its two isotopes forms, is 107.868 u.
2. Consider the given chemical equation LiI+H2O and find out how much heat is absorbed or evolved if 30.0gm of LiI(lithium Iodide) get completely dissolved in H2O(water)?
Determine what would be the total ?nal pressure of the system in atmospheres If we completely hydrolyzed 0.18 kg of H2O in a 8.2 L container at 300 K?
Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
To determine the volume of a gas using ideal gas law and evaluate the number of moles of a gas using ideal gas law.
The air track carts in the figure are sliding to the right at 1.0 meter per second. Find the speed of the carts.
Find out how many total moles of gas are produced If a sample has 2.10 mL of nitroglycerine (density = 1.592 g/mL) is detonated?
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
A rectangular beam made using concrete with f'c = 6000 psi and steel with fy=60000 psi has a width b= 20 in. The concrete modulus of rupture fr=530 psi. The elastic moduli of the concrete and steel are, respectively,
Find out What mass of the NaHCO3 reacts with the vitamin C When the tablet dissolves in H2O, it "fizzes" because the reason for this is the CHO3 reacts with the citric acid(C6H8O7 a weak organic acid) and the vitamin C?
Explain would the calculated molarity of NaOH be too high or too low If the KHP weighed in your experiment today was contaminated with some unknown inert substance.
When you standardized the Sodium thiosulfate, what molarity of Na2S2O3 did you observe for each of your 3 trials.
A tablet of Vitamin C changed color at 23.7 mLs of Iodine. how do you determine how much vitamin c is in the tablet.
By Solving this problem student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -
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