Question

In: Chemistry

1. How many grams of Kr are in a 9.76 L cylinder at 75.6 ∘C and...

1. How many grams of Kr are in a 9.76 L cylinder at 75.6 ∘C and 9.27 atm?

mass: ? g

2. If 2.44 g Ar are added to 2.38 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of the resulting gaseous mixture?

= ? atm

Please help would greatly appreciate it..Thank you so much.

Solutions

Expert Solution

queen_honey_blossom answered 11 months ago
Next > < Previous

Related Solutions

1) How many grams of dry NH4Cl need to be added to 2.40 L of a...
1) How many grams of dry NH4Cl need to be added to 2.40 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.82? Kb for ammonia is 1.8 x 10^-5. 2) A beaker with 150 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.80 mL...
In the ground state Kr atom, how many electrons have both quantum number l = 2...
In the ground state Kr atom, how many electrons have both quantum number l = 2 and ms= -1/2?What is the maximum amount of orbitals (in any atom) that could have n = 3,   ml= -1? What is the maximum amount of electrons in any atom can have both of these quantum numbers? n = 2 and ml= 0? In the ground state Br atom, how many electrons have quantum number l = 0? In the ground state Xe atom,...
1. How many grams of solid sodium nitrite should be added to 1.50 L of a...
1. How many grams of solid sodium nitrite should be added to 1.50 L of a 0.106 M nitrous acid solution to prepare a buffer with a pH of 4.058? grams sodium nitrite = _____ g. 2. How many grams of solid sodium cyanide should be added to 1.00 L of a 0.196 M hydrocyanic acid solution to prepare a buffer with a pH of 10.140? grams sodium cyanide = _____g.
1) How many grams of solid ammonium chloride should be added to 1.50 L of a...
1) How many grams of solid ammonium chloride should be added to 1.50 L of a 0.273 M ammonia solution to prepare a buffer with a pH of 8.540 ? 2) How many grams of solid sodium hypochlorite should be added to 1.00 L of a 0.239 M hypochlorous acid solution to prepare a buffer with a pH of 8.109 ?
1. How many grams of solid sodium nitrite should be added to 1.50 L of a...
1. How many grams of solid sodium nitrite should be added to 1.50 L of a 0.159 M nitrous acid solution to prepare a buffer with a pH of 4.126 ? grams sodium nitrite = _____g 2. How many grams of solid sodium nitrite should be added to 1.00 L of a 0.134 M nitrous acid solution to prepare a buffer with a pH of 4.123 ? grams sodium nitrite = _____g.
1.A. How many grams of potassium permanganate should be used to prepare 34 L of the...
1.A. How many grams of potassium permanganate should be used to prepare 34 L of the chlorine gas at 21.9 °C and 12.0 psi? (1 atm = 14.70 psi) 2KMnO4 + 16HCl --> 2MnCl2 + 5Cl2 +2KCl + 8H2O B. What if the yield of the chlorine in this reaction is only 85.0 %? How many grams of potassium permanganate should be used?
1) How many grams of solid potassium cyanide should be added to 1.50 L of a...
1) How many grams of solid potassium cyanide should be added to 1.50 L of a 0.236 M hydrocyanic acid solution to prepare a buffer with a pH of 10.287 ? grams potassium cyanide = ______g. - 2) The volume of water needed to dissolve 0.0661 grams of lead fluoride is _____ L. Assume no volume change upon addition of the solid.
How many grams of solute are in each of the following solutions? 0.437 L of a...
How many grams of solute are in each of the following solutions? 0.437 L of a 0.350 M K2CO3 solution = 15.5 mL of a 2.50 M AgNO3 solution = 25.2 mL of a 6.00 M H3PO4 solution =
1) How many grams of iron are needed to completely consume 39.5 L of chlorine gas...
1) How many grams of iron are needed to completely consume 39.5 L of chlorine gas according to the following reaction at 25 °C and 1 atm? iron ( s ) + chlorine ( g ) iron(III) chloride ( s ) _____________grams iron 2) What volume of oxygen gas is produced when 22.5 g of mercury(II) oxide reacts completely according to the following reaction at 25 °C and 1 atm? mercury(II) oxide (s) mercury (l) + oxygen(g) -------------liters oxygen gas
1. How many grams of iron are needed to completely consume 6.44 L of oxygen gas...
1. How many grams of iron are needed to completely consume 6.44 L of oxygen gas according to the following reaction at 25 °C and 1 atm? iron ( s ) + oxygen ( g ) iron(II) oxide ( s ) grams iron 2. What volume of hydrogen gas is produced when 47.7 g of iron reacts completely according to the following reaction at 25 °C and 1 atm? iron (s) + hydrochloric acid(aq)iron(II) chloride (aq) + hydrogen(g) liters hydrogen...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT