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
wariber [46]
2 years ago
9

PLEASE HELP! WILL GIVE BRAINLIEST:

Chemistry
1 answer:
Ad libitum [116K]2 years ago
5 0

2.45 °C

From the Ideal gas law (Combined gas law)

PV/T = P'V'/T' .....eq 1

Where:

P - initial pressure

V - initial volume

T - initial temperature

P' - final pressure

V' - final volume

T' - final temperature.

To proceed we have to make T the subject from eq.1

Which is, T = P'V'T/PV.......eq.2

We have been provided with;

Standard temperature and pressure (STP)

P = 760 mm Hg (SP - Standard Pressure)

T = 273.15 K (ST - Standard Temperature)

V = 62.65 L

P' = 612.0 mm Hg

V' = 78.31 L

T' = ? (what we require)

Therefore, we substitute the values into eq.2

T' =

.

T' = 275.60 K

T = (275.60 - 273.15) ......To °C

T = 2.45 °C

>>>>> Answer

Have a nice studies.

You might be interested in
A weak acid, HA, has a pKapKa of 4.3574.357 . If a solution of this acid has a pH of 4.0054.005 , what percentage of the acid is
jenyasd209 [6]

Answer:

69.3%

Explanation:

The question should read as follows:

A weak acid, HA, has a pKa of 4.357. If a solution of this acid has a pH of 4.005, what percentage of the acid is not ionized? Assume all H⁺ in the solution came from the ionization of HA.

The Henderson-Hasselbalch equation relates the pKa and pH of a solution to the ratio of ionized (A⁻) and unionized (HA) forms of a weak acid:

pH = pKa + log ([A⁻]/[HA])

Substituting and solving for [A⁻]/[HA]:

4.005 = 4.3574 = log([A⁻]/[HA])

-0.3524 = log([A⁻]/[HA])

[A⁻]/[HA] = 0.444/1

The percentage of acid that is not ionized (i.e. the percentage of acid in the HA form) is calculated:

[HA]/([A⁻] + [HA]) x 100% = 1/(1+0.444) x 100% = 69.3%

4 0
3 years ago
Which statement is true about elements in a period on the periodic table?
frozen [14]

Answer:

they have differnet properties that repeat across the next period

Explanation:

5 0
3 years ago
Read 2 more answers
How many electrons does the isotope oxygen-18 have?<br> 6<br> 8<br> 10<br> 18
Alexxandr [17]
It has 8 electrons I the answer
7 0
4 years ago
What is the end result of a nuclear fusion reaction?
julia-pushkina [17]

Answer:A.) molecule of atoms forms

Explanation:

7 0
3 years ago
Read 2 more answers
36
LiRa [457]
Omg that is that ( but I do not know this
4 0
3 years ago
Read 2 more answers
Other questions:
  • what type of bond is involved when a metal from groups 1 or 2 bond with a nonmetal from groups 16 or 17
    11·1 answer
  • How does Earth's rotation axis cause seasons to change?
    6·1 answer
  • Arab cultures charted planets in the Dark Ages. Europeans helped establish the Sun-centered model of the solar system during the
    14·1 answer
  • Identify two metalloids that have the same number of electrons shells krypton
    10·1 answer
  • Scientists test a hypothesis by?
    7·1 answer
  • | What material does Not Melt At any<br> temperature?
    9·1 answer
  • What are the signs given to the electrodes in both the voltaic and electrolytic cells? What reaction (oxidation or reduction) is
    12·1 answer
  • What are the words for each blank spot?
    8·2 answers
  • 0/10<br> The molar mass of iron
    8·2 answers
  • Which use of pomace has become more available through new technologies?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!