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$8.99 bottle of 500 capsules of 1000mg calcium carbonate (total) vs $0.69 box of 453.592g baking soda. Consider per mole of HCl neutralized; which is essentially cheaper in cost? Please demonstrate calculations specifically after the mol to mol conversions.
what is the chemical equation that describes both these reactions? Please give the chemical equations of what happens in this situation
Two methods for determining Hg in coal fly ash using atomic absorption were used to see if both methods would give the same results. In the first method only HNO3 is used for digestion,
A zero-order reaction has a constant rate of 2.90×10-4 M/rm s. If after 65.0 seconds the concentration has dropped to 9.00×10-2 M, what was the initial concentration.
Balance the following half reaction: HS(-) = S2O3(2-) AND calculate what the slope of the boundary between HS- and S2O3^2- is in a pe-pH diagram.
Arrange the items on the food chain according to increasing mercury levels: microorganisms, people, small fish, and sharks.
What mass would carbon disulfide gas (CS2) have if 125 cm3 of the gas at 400°C exerts a pressure of 736 torr?
For this system, calculate the change in entropy (ΔS), the change in internal energy (ΔU), and the change in enthalpy (ΔH) for a reversible adiabatic expansion of this gas to a final pressure of 1.10 atm. Also calculate the final temperature (T) a..
A hypothetical element Z has two stable isotopes: Z-46 = 46.046 u 64.08% Z-51 = 50.826 u 35.92% What is the average atom weight of the element?
The ion-product constant for water is 1.0x10^-14 at 25 degrees Celsius and 3.8x10^-14 at 40 degrees Celcius. Is the forward process endothermic or exothermic. H2O is equal to H+ + OH-
What is the hybridization or what atomic orbitals are used by nitrogen in ammonia?
Define abbreviations at first use in the abstract. Indicate the theoretical or experimental plan used. Summarize the principle findings and point out major conclusions. Include chemical safety information when applicable
when 0.629 g of ca metal is added to 200.0 ml of 0.500 m hclaq a temperature increase of 102c is observed. assume the
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