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A helium balloon with a volume of 410 mm is cooled from 48 deg celsius to -37 deg, the pressure on the gas is reduced from 110 kpa to 91 kpa what is the volume of the gas at the lower temp and pressure?
What mass of HClO4 should be present in 0.600 L of solution to obtain a solution with a pH of 2.50?
The complex ion Fe(CN)6^3- is paramagnetic with one unpiared electron. The complex ion Fe (SCN)6^3- has five unpaired electrons. Where does SCN- line in the spectrochemical series relative to CN-
a student placed 16.5 g of glucose rm c6h12o6 in a volumetric flask added enough water to dissolve the glucose by
suppose a black-body chamber is constructed from 55.8 g one mole of iron and heated to 500 k.classical theory and the
A gas undergoes a process that leads to a change in internal energy of 4.5 J, while simultaneously work in the amount of 17.6 J is performed by the gas at constant pressure. Calculate the change in enthalpy of this process.
The density of a gaseous compound was found to be 1.23 g L-1 at 330 K and 25.5 kPa. What is the molar mass of the compound?
oxygen gas having a volume of 900 cm3 at 45.0degc and 1.01 multiplied by 105 pa expands until its volume is 1650 cm3
The family estimates that it will take an average of 21 GJ of energy per month to keep the house heated to this temperature for 5 cold months. The cost of electrical energy is $0.185/kWh (kilowatt-hour).
When naming subsittuents on a branched alkane. If dimethyl and and isopropyl branch end up both being off the same number carbon which of these is listed first
if 525 g of NaOH are dissolved to a final total of 50.0L what is the molarity of the solution
Calculate the pH during the titration of 40 mL of 0.1M HCL with 0.1M NaOH solution after the following additions of base:
When CuCl2 is heated to 100C, the compound is dehydrated. If 0.235g of CuCl2 * x H20 yields 0.185 g CuCl2 on heating, what is the exact formula of the hydrate
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