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Moist air at 38°C and 49% RH is heated in your home furnace to 86°C. How much heat has to be added per cubic meter of initial moist air, and what is the final dew point of the air
Study the following set of ionization energy values for a certain element. Explain how many valence electrons does an atom of the neutral element possess
If the titrant has a molarity of 0.2750 M and there are 25.00 mL of analyte present, what is the molarity of the analyte?
80.0 of is initially at room temperature (22.0). A chilled steel rod at 2.0 is placed in the water. If the final temperature of the system is 21.2, what is the mass of the steel bar
Would the presence of a nitro group in the 4- and 4'- positions in benzophenone increase the frequency of the carbonyl stretch or decrease it? Explain using resonance structures.
Find the partial derivative finding the change in volume with respect to temperature under conditions of constant pressure.
What is the enthalpy change when 175 g of C3H8 are burned in excess O2? C3H8(g) + 5 O2(g) ? 3 CO2(g) + 4 H2O(l) ?H° = ?2220 kJ
Calculate how many grams of O2(g) can be produced from heating 20.9 grams of KClO3(s).
A volume of 40.0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the solution if 19.2 mL of 1.50 M H2SO4 was needed? The equation is 2KOH(aq)+H2SO4(aq)=K2SO4(aq0+2..
A. Using the following mean bond enthalpy data to calculate dH of the reaction:.C3H8(g) + 5O2(g) = 3CO2(g) + 4H2O(g)Bond Mean enthalpy(kJ mol-1)C-C 348O=O 496
If you are using 5.25% (mass/mass) bleach solution and you determine that the density of the bleach solution is 1.08 g/mL, how many moles of sodium hypochlorite are present in a 4.00 mL sample
A human body contains 6 liters of blood. The hemoglobin content of blood is about 15.5g/100 mL of blood. The approximate hemoglobin molecular weight is 64,500g/mol. How many moles of hemoglobin are present in a typical adult
The freezing point of pure benzene is 5.5 Celsius and its freezing point constant is 5.12 C/m. Calculate the molecular weight of the unknown.
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