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What is the molarity of a glucose solution that contains 10.0 of C6H12O6 dissolved in 100.0 mL of solution? (use the molecular mass of C6H12O6 = 180.0 g/mol)
Calculate the final temperature that results when a 13.0 -g sample of water at 23.1C absorbs 870 J of heat.
What is the new temperature of the water after adding the heat? Remember that the specific heat of water
How many moles of Cl- are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned above. How many moles of H+ are in 1.000 mL of the aqueous 2.500 molar HCl solution mentioned above
What mass of ice can be melted with the same quantity of heat as required to raise the temperature of 4.00 by 55.0?
For a particular process that is carried out at constant pressure, q= 130 kJ and w= -20 kJ. Therefore,
The half life of radioactive cobalt is 5.27 years. if 200 grams of radioactive cobalt is present now, when will only 20 grams be present
What is the pH of the solution created by combining 1.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?
Describe how the same neurotransmitter can cause different effects in different cells. There are multiple mechanisms.
The flow rate of a process stream of hydrogen at 50 degrees celcius and 1800 mmhg, and the value read from the calibration chart is 350 cm^3/s. Calculate the true volumetric flow rate of the gas.
The most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 300. g of pure Cu?
A sample of nitrogen gas with a pressure of 805 Torr and a temperature of 25.0°C was cooled to 13.3 °C. What is the final pressure of the gas
Explain what is the molar solubility of Sr3(AsO4)2 as well as the concentration of Sr+2 and AsO4-3 in a saturated solution at 25 C? The Ksp is 1.3x10-18. Illustrate the balanced reaction.
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