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Three gases (8.00g of methane, , 18.0g of ethane, , and an unknown amount of propane, ) were added to the same 10.0L- container. At 23.0 degrees Celcius , the total pressure in the container is 5.40atm . Calculate the partial pressure of each gas in the container.
Thermodynamic Processes. a volume of 20 cu ft of air at pressure of 50 psig is heated and expanded to 30 cu ft and 40psig find the change in the energy of air in joules.
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
A piece of metal with a mass of 151 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 35 mL. What is the density of the metal?
HClO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base.
If 555 g of NaOH is dissolved to a final total volume of 40.0 L, what is the molarity of the solution?
How does insulin promote glycogen synthesis in the liver? By binding to glycogen phosphorylase. By activating glycogen phosphorylase. By inhibiting glycogen synthase.
What is the mass in grams of CO2 that would be produced if 52.0 g of C5H8O4 were allowed to react completely in excess oxygen?
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
The second virial coefficient of methane can be approximated by the empirical equation , where a = -0.1993 bar-1, b = 0.2002 bar-1, and c = 1131 K2 with 300 K
Using the same sample of gas ( = 275 , = 43 ), we wish to change the pressure to 2750 with no accompanying change in volume or amount of gas.
Would the mass of the precipate collected be more, unchanged, or less if the residue was washed with hot distilled, deionized water instead
When the sodium atom becomes a sodium ion, how does the size and electron configuration of the sodium atom change?
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