Chemistry

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The fact that a balloon filled with helium will leak more slowly than one filled with hydrogen is ... Started by MGLQZ	1 Replies 70 Views	Jul 8, 2021 by helenmarkerine
The complete combustion of octane, a component of gasoline, is represented by the equation: 2 ... Started by nelaaney	1 Replies 86 Views	Jul 8, 2021 by aburgess
The addition of 2.0 g He(g) to a vessel of 10.0 L fixed volume already containing O2(g) at 25 C and ... Started by tsand2	1 Replies 88 Views	Jul 8, 2021 by lolol
Phosphine gas oxidizes spontaneously on exposure to air, as represented by: 2 PH3(g) + 3 O2(g) ... Started by sheilaspns	1 Replies 128 Views	Jul 8, 2021 by SamMuagrove
Of the following values, the most likely to be observed for the volume of 1.00 mole of He(g) at 0 C ... Started by SAVANNAHHOOPER23	1 Replies 183 Views	Jul 8, 2021 by s.meritte
Liquid mercury freezes at a temperature of -39 C. The freezing point of mercury on the Kelvin scale ... Started by cool	1 Replies 93 Views	Jul 8, 2021 by ms_sulzle
In the reaction: 2 Al(s) + 6 HCl(aq) 2 AlCl3(aq) + 3 H2(g) Started by mspears3	1 Replies 53 Views	Jul 8, 2021 by robbielu01
In the reaction how many moles of iron can be produced using 17.4 liters of hydrogen at STP? Started by tuffie	1 Replies 74 Views	Jul 8, 2021 by bd5255
In the reaction how many liters of hydrogen at STP are produced from 50.0 grams of sodium Started by oliviahorn72	1 Replies 129 Views	Jul 8, 2021 by amynguyen1221
If the pressure in a gas container that is connected to an open-end U-tube manometer is 116 kPa and ... Started by Hungry!	1 Replies 567 Views	Jul 8, 2021 by Jayson
If someone were to light a cigar at one end of a closed room, persons at the other end of the room ... Started by 2125004343	1 Replies 146 Views	Jul 8, 2021 by emily12345
If gas volume is doubled but the temperature remains constant: Started by bio_gurl	1 Replies 84 Views	Jul 8, 2021 by amy.lauersdorf90
If a liter of CO2 is compared to a liter of H2, both at 25 C and one atmosphere pressure, then: Started by sjones	1 Replies 74 Views	Jul 8, 2021 by trampas
If 4.800 10-5 mol of uranium-238 at 4500 K effuses through a hole in 125 seconds, how many mol of ... Started by burchfield96	1 Replies 73 Views	Jul 8, 2021 by triiciiaa
How many liters of gas is 10.8 grams of nitrogen at 780 mmHg and 38.0 C? Started by EY67	1 Replies 71 Views	Jul 8, 2021 by vkodali
Halothane (CHBrClCF3) is one of the modern anesthetics that is nonflammable and relatively safe for ... Started by pragya sharda	1 Replies 37 Views	Jul 8, 2021 by meganlapinski
Convert to the equivalent pressure in atmospheres, Started by cookcarl	1 Replies 74 Views	Jul 8, 2021 by kaylee05
Convert 780 Torr to the equivalent pressure in atmospheres. Started by wrbasek0	1 Replies 61 Views	Jul 8, 2021 by 31809pancho
Convert 1250 mmHg to the equivalent pressure in atmospheres. Started by stephzh	1 Replies 66 Views	Jul 8, 2021 by Sierray
Chloroform became popular as an anesthetic after Queen Victoria delivered her eighth child while ... Started by daltonest1984	1 Replies 72 Views	Jul 8, 2021 by parshano
Calculate urms, in m/s, for H2(g) molecules at 30 C. Started by 2125004343	1 Replies 170 Views	Jul 8, 2021 by uniquea123
Calculate the height of a column of liquid glycerol (d = 1.26 g/cm3), in meters, required to exert ... Started by jenna1	1 Replies 83 Views	Jul 8, 2021 by xiaomengxian
Calculate the height in meters of a column of liquid ethanol (d = 0.7893 g/cm3) required to exert ... Started by Mr. Wonderful	1 Replies 82 Views	Jul 8, 2021 by ladyjames123
Butane (C4H10) is used as a fuel where natural gas is not available. How many grams of butane will ... Started by mydiamond	1 Replies 89 Views	Jul 8, 2021 by Jossy
Assuming ideal gas behavior, which of the following gases would have the lowest density at standard ... Started by 2125004343	1 Replies 101 Views	Jul 8, 2021 by Anton