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Calculate how many g of iron can be produced using 2396 of if the yield is 82% Fe2O3 + 3CO ----> 2Fe + 3CO2
Calculate the voltage difference between two points of corroding iron differing only in their partial pressure of oxygen: 0.20atm of oxygen at one point and 0.0010atm of oxygen at the other
Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant.
Activating effects: Using resonance contributors, explain why the methoxy group is an activator and an ortho/para director in electrophilic aromatic substitution A drawing would be helpful too
What is the solubility of Ca(OH)2 in water, at the experimental temperature, in grams of Ca(OH)2 per 100 mL of solution?
At 131 celsius and 769 mmHg, 2.00 L of the gaseous compound weighs 4.44 g. What is the molecular formula for the compound?
carbohydrates that comprises a balanced diet in different body types. What are the effects of the consumption of each of these on the human body.
Suppose 8.26 g of solid Mg(OH)2 is added to 36.1 mL of 0.488 M H2SO4 solution. What will the concentration of Mg2+ be when all of the acid has been neutralized. How many grams of Mg(OH)2 will not have dissolved.
Enough of a monoprotic acid is dissolved in water to produce a 0.0193 M solution. The pH of the resulting solution is 2.42. Calculate the Ka for
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 72% of the Mg2 be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 multiplied by 10-12.]
Using the Heat of Reaction (Hrxn) to Find Amounts Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food
0.50g of Cu 2+ is dissolved in 4.0ml of 16 M HNO3. how much 3.0 M NaOH must be added to precipitate the Cu 2+ as Cu(OH)2
A 261-mL sample of a sugar solution containing 1.35g of the sugar has an osmotic pressure of 30.1 mmHg at 35.5 degrees celcius.
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