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When solid CaCO3 is heated, it decomposes to give solid CaO and CO2 gas. A volume of 545 mL of gas is collected over water at a total pressure of 730 mmHg and 16 C. The vapor pressure of water at 16 C is 14 mmHg. CaCO3(s)→CaO(s)+CO2(g)
a. What was the partial pressure of the CO2 gas?
b. How many moles of CO2 gas were in the CO2 gas sample?
System were found to be [N2]=[O2]=0.200 M and [NO]=0.500 M. N2(g) + O2(g) 2NO(g) If more NO is added, bringing its concentration to [0.800 M], what will the final concentration of NO be after equilibrium is re-established?
A solution is known to contain Cl, NO3, NO2, and SO4 ions. which of these ions can be positevely identified? describe the reactions used
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determine the numbers of moles of iron that would be formed from 6.2 moles of co carbon monoxide combining with excess
Suggest a reasonable strategy for the synthesis of 1-bromo-2-methylcyclohexane from methylcyclohexane
What is the enthalpy of the reaction (ΔH°rxn), in kJ, for the process in part (d)? Calculate the total heat (q), in kJ, produced by 260.0 g of ethane when 9.00% by mass of it burns incompletely and the remainder burns completely.
A student placed 20.0 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mL mark on the neck of the flask was reached.
Compare this general form of this phase diagram with the interactive phase diagram for CO_2 and classify points a through g on the phase diagram according to the number of phases present at each point.
question a patient receives 200ml of a 3.0 mv amino acid solution twice a day. express answer in 2 significant
The enthalpy of fusion of methanol (CH3OH) is 3.16 kJ/mol. How much heat would be absorbed or released upon freezing 25.6 grams of methanol?
What are the advantages and disadvantages of using simple distillation vs fractional distillation methods. (in terms of gas chromatography)
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