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If 85.6 ml of a 6.75 M solution are diluted to 6.20 L with water, what is the concentration of the final solution?
What is the theoretical yield of bismuth when 393 g of Bi2O3 reacts with excess carbon as shown below? Bi2O3 + C(s) => Bi(s) + CO(g) (not balanced)
The 20 mL of water added to the Erlenmeyer flask is to be previously boiled, deionized water. Since water does absorb CO2 from the atmosphere and since CO2 dissolved in water causes it to be slightly acidic,
what mass of water would you need to evaporate from your skin in order to dissipate 1.7 x 105 j of heat from your body?
Pure metals are commonly recovered from sulfide ores by successive processes of roasting in air (oxidation), dissolution in sulfuric acid and electrolysis (reduction). Consider the starting ore mineral sphalerite (ZnS). Write balanced chemical rea..
FeCl3 and Mg3(PO4) to give FeSO4 and MgCl2 I need to know what are the : Molecular Equation? Ionic Eq? Net Ionic Eq? What is the name of this type of reaction. Which ions are spectator ions
the osmotic pressure produced by the solution was 0.138 atm . What is the molar mass of the protein(g/mol)?
write the balance the eguation fot the neutralization reaction between H2 SO4 KCH
you place ethanol of 100 grams and water of 100 grams in a refrigerator. both are at room temperature initially.
1.00 W electric heater operates for 10 minutes to hear the gas in a cylinder. At the same time, the gas expands from 2.00L to 10.00L against a constant atmospheric pressure of 1.0 atm. What is the change in internal energy in Joules of the gas
Determine the of a solution that is 1.85% by mass. Assume that the solution has density of 1.01
A chemist found that a certain amount of a CFC gas required 186 seconds to effuse through a porous plug when the pressure was held constant.
What is the pH of a solution in which we have added 40.0 mL of 0.100 M NaOH to 100.0 mL of a 0.100 M solution of acetic acid in a titration. Assume volumes are additive.
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