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Plants utilizes CO2 (g) and H2O (l) as well as energy from the sun to create glucose (C6H12O6) and oxygen gas. Explain what is the minimum amount of energy from the sun necessary to produce 4 g of glucose in this way? Hf of glucose is -1260 kJ/mol.
If 10.0mL of blood plasma has a mass of 10.279g and contains 0.870g of protein, what is the mass/mass percent concentration of the sample
what is the easiest way to identify the structure of a molecule from a H-NMR spectra?
A mixture of ammonia and oxygen is prepared by combining 0.290 L of NH3 (measured at 0.730 atm and 26°C) with 0.190 L of O2 (measured at 0.750 atm and 54°C). How many milliliters of N2 (measured at 0.740 atm and 100. °C) could be formed if the fol..
A wedge-shaped tank is filled with water at a rate of 5.00 kg/s. The tank is 4.00 m long and 4.0 m tall, and the angle of the wedge is 90°. The wedge is oriented as pictured, with the point down such that cross sectional area changes with height
For an isothermal expansion of 1.00 mole of ideal gas at 399K and initially at 16.00bar pressure, compare the total work done by the system if the expansion is carried out
Although coals is a complex mixture of substances, its elemntal composition can be approximated by the formula C135H96O9NS. Using this formula predict the amount of CO2 released from the combustion of 1.00 x 10^6 metric tons of coal. 1 metric ton ..
A 100. mL sample of 0.200 M aqueous hydrochloric acid is added to 100. mL of 0.200 M aqueous ammonia in a calorimeter whose heat capacity (excluding any water) is 480. J/K. The following reaction occurs when the two solutions are mixed.
In a lab you need 1.0M, 0.1M, and 0.05M Cu2+. How could you make 50.0mL of each of these three solutions with only 10.0g of Cu(NO3)2 available
Explain HClO is a weak acid (Ka = 4.0 × 10-8) as well as so the salt NaClO acts as a weak base. Explain what is the pH of a solution that is 0.013 M in NaClO
undergo combustion according to the unbalanced equation C2H6+O2=CO2+H2O how many moles of oxygen are required?
a student measured 50.0 ml of a salt water solution (density=1.021 g/ml) into a flask. The Cl minus in the measured sample required 16.67 ml of 1.0466 M AgNO3 solution to reach the end point.
A 10.20-mL sample of sulfuric acid from an automobile battery requires 35.99-mL of 2.33 M sodium hydroxide solution for complete neutralization. What is the molarity of the sulfuric acid? Sulfuric acid contains two acidic hydrogens.
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