1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ksenya-84 [330]
3 years ago
13

A sample of argon initially has a volume of 5.0 L and the pressure is 2 atm. If the final temperature is 30° C, the final volume

is 6 L, and the final pressure is 8atm, what was the initial temperature of the argon? Please give answer WITHOUT the unit of KELVIN and round to the tenth position (two places to the right of the decimal). Example: 25.14 not 25.4K
Chemistry
1 answer:
Nitella [24]3 years ago
3 0
According to this formula:
(PiVi)/Ti = (PfVf)/Tf
when : Pi = intial pressure  /  Vi = intial volume  / Ti = intial temperture
   and:  pf = final pressure /  Vf = final volume  /  Tf = final temperture

Convert T from C° to Kelvin :
Tf = 30 + 273 = 303 K
by substitution in the previous formula :
(2 x 5 ) / Ti = (8 x 6) / 303
Ti = (303 x 10 ) / 48 = 63.125 K
Ti = 63.125 - 273 = - 209.88 C°


You might be interested in
Electronic configurations and charges of the ions<br>in lithium fluoride?​
BARSIC [14]

Answer:

Explanation:

The electronic configuration of a lithium atom is 2.1 and that of a fluorine atom is 2.7

an atom of lithium donates an electron to an atom of fluorine to form an ionic compound. The transfer of the electron gives the lithium ion a net charge of +1, and the fluorine ion a net charge of -1.

7 0
3 years ago
Where are the reactants in chemical equation located
yKpoI14uk [10]
They are on the left side of the equation.
6 0
3 years ago
Read 2 more answers
Explain that : how we explore different between Licl and Nacl
Leona [35]

Answer:

See the explanation below, please.

Explanation:

In the bunsen burner, the gas and air inlet can be regulated manually. In the case of metals (such as lithium and sodium in this case) they contain an electron in the latter in its external electronic configuration. They are characterized by transferring electrons easily and produce the emission of light when excited, producing flames of different colors in the lighter (orange for sodium and red / scarlet for lithium)

8 0
3 years ago
Why does iron not fit the pattern in column 7
son4ous [18]
Iron doesn't fit because it doesn't have enough atoms or protons in its nucleus so there for it belongs in column 2. <span />
3 0
3 years ago
If 12.5 grams of the original sample of cesium-137 remained after 90.6 years, what was the mass of the original sample?
myrzilka [38]

Answer:

Mass of original sample = 100 g

Explanation:

Half life of cesium-137 = 30.17 years

t_{1/2}=\frac {ln\ 2}{k}

Where, k is rate constant

So,  

k=\frac{\ln2}{t_{1/2}}

k=\frac{\ln2}{30.17}\ year^{-1}

The rate constant, k = 0.02297 year⁻¹

Time = 90.6 years

Using integrated rate law for first order kinetics as:

[A_t]=[A_0]e^{-kt}

Where,  

[A_t] is the concentration at time t

[A_0] is the initial concentration

Initial concentration [A_0] = ?

Final concentration [A_t] = 12.5 grams

Applying in the above equation, we get that:-

12.5\ g=[A_0]e^{-0.02297\times 90.6}

[A_0]=\frac{12.5}{e^{-0.02297\times 90.6}}\ g=100\ g

<u>Mass of original sample = 100 g</u>

8 0
3 years ago
Other questions:
  • How many moles of electrons are transferred in the folllowing balanced chemical equation 4fe + 3o2?
    14·1 answer
  • Two chemical samples were heated individually in a flame and both produced an identical orange flame. What conclusion can you dr
    15·1 answer
  • Describe the interactions between molecules in a mixture (analyte), the stationary phase and various mobile phases used in colum
    7·1 answer
  • What are the elements of PCl5 and the name
    6·1 answer
  • A recessive trait is observed when an organism has___recessive gene factors
    5·1 answer
  • Help which one is correct
    8·1 answer
  • 49.The 1H NMR spectrum of a compound with formula C7H14O gives a doublet at 9.2 ppm. Which of these structures is a possible one
    6·1 answer
  • Nonliving and living things are made of matter.which of the following statements is true about matter
    9·1 answer
  • An organism’s genotype is
    13·1 answer
  • Can you use a meat thermometer to take your temperature?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!