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What must the Celsius temperature be if 2.0 moles of a gas in a 4.0 L steel container has a measured pressure of 100 atm?
what is the expected boiling point of a brine solution containing 30.00g of KBr dissolved in 100.0g of water?
Neon(Ne) is a noble gas with atomic number 10 this is a odorless, colorless, inert monatomic gas under standard conditions but explain some facts about Neaon.
Chromatography in the presence of 6 M guanidine hydrochloride and 10mM 2-mercaptoethanol yields peaks of Mr 34000 and 26000. Explain what can be determined about the structure of this protein from this data.
What volume of liquid ethanol (in L) (d = 0.785 g/mL) would need to evaporate to provide an equilibrium vapour pressure (59 mm Hg at 25oC) in a room with dimensions 2.81 m x 2.43 m x 2.50 m
The density of the gas doesn't change The temperature of the gas increases The temperature of the gas decreases The mass of the gas decrease
What is the mass of a square piece of aluminum foil 100 micrometers thick and 10 cm wide? (Aluminum=2.7 g/cm^3)
If the outer electron in a Sn- ion is removed by absorbing a photon of visible light having an energy of 3.776E-19 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron
Vanadium metal crystallizes in a body centerd cubic crystal lattice. The length of a unit is 0.305nm. Calculate the density of vanadium in g/cm^3
calculate the amount of cacl2 in grams that would have to be dissolved in 100ml of solution to produce a solution with
a large oil spill that resulted from the 1989 shipwreck of the exxon valdez cause considerable damage to alaska's wildlife. do you think a comparable spill of a water-insoluble liquid that has a density of 1.20 g/mL would have been as harmful to w..
a student measures the conductivity of a kno3 solution and determines it to be a strong electrolyte. the student
Find the ?H for the reaction below, given the following reactions and subsequent ?H values: PCl5(g) ? PCl3(g) + Cl2(g)
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