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
mr Goodwill [35]
3 years ago
14

The temperature of a container of oxygen gas is increased from 149 k to 298 k which of the following statement is true

Chemistry
1 answer:
ozzi3 years ago
8 0

Answer:

______is used in production of hard disk.

Explanation:

You might be interested in
if anyone has chemistry on edge and has the analyzing chemical reactions project can i please have your insta? i really need it.
Sedbober [7]

Explanation:

id -9384026088

password-1234

7 0
3 years ago
What group would this element be in?
Lesechka [4]
Non-metals. it is fluorine i believe and in the periodic table it is under the non-metal category
6 0
3 years ago
The pyrolysis of ethane proceeds with an activation energy of about 300 kJ/mol. How much faster is the decomposition at 625°C th
Alona [7]

Answer:

The decomposition of ethane is 153.344 times much faster at 625°C than at 525°C.

Explanation:

According to the Arrhenius equation,

K=A\times e^{\frac{-Ea}{RT}}

\log (\frac{K_2}{K_1})=\frac{Ea}{2.303\times R}[\frac{1}{T_1}-\frac{1}{T_2}]

where,

K_2 = rate of reaction at T_2

K_1 = rate of reaction at T_1

Ea = activation energy of the reaction

R = gas constant = 8.314 J/K mol

E_a=300 kJ/mol=300,000 J/mol

T_2=625^oC=898.15 K,T_1=525^oC=798.15 K

\log (\frac{K_2}{K_1})=\frac{300,000 J/mol}{2.303\times 8.314 J/K mol}[\frac{1}{798.15 K}-\frac{1}{898.15 K}]

\log (\frac{K_2}{K_1})=2.185666

K_2=153.344\times K_1

The decomposition of ethane is 153.344 times much faster at 625°C than at 525°C.

4 0
3 years ago
An ion of iron has an 26 protons, 30 neutrons, and 23 electrons. What are its atomic number, atomic mass, and net charge?
sleet_krkn [62]

Answer:

Atomic number 26,atomic mass 26+30=56 dalton and net charge is 3+

Explanation:

The total number of proton present in an atom is known as the atomic number of that atom.From that point of view the atomic number of iron ion is 26.

  The total number proton and neutrons present in the nucleus of an atom or ion is termed as atomic mass.From that point of view the the atomic mass of iron ion is 26+30=56 dalton

 According to the given question iron ion contain 3 more protons than electrons as a result the iron ion will contain 3 unit positive charge.

5 0
3 years ago
HELP ILL MARK BRAINLIEST
exis [7]

Answer:

Formation. Main-sequence stars, including the sun, form from clouds of dust and gas drawn together by gravity. ... The core that is left behind will be a white dwarf, a husk of a star in which no hydrogen fusion occurs. Smaller stars, such as red dwarfs, don't make it to the red giant state.

Explanation:

4 0
3 years ago
Other questions:
  • acetic acid or vinegar boils sooner than water. if you had a mixture of acetic acid and water, you could seperate it by?
    9·1 answer
  • A carbon atom has a strong tendency to do which of the following?. Answer. double bond with electrons. receive electrons. donate
    14·2 answers
  • What type of solution would have a pOH of 7
    12·2 answers
  • 30)
    8·1 answer
  • a compound has a percent compostion of carbon equal to 48.8383%, hydrogen equal to 8.1636%, and oxygen equal to 43.1981%. what i
    5·1 answer
  • What makes a substance a good insulator
    9·1 answer
  • A plane travels at 600 km/hr. How far will it travel in 3 hrs 15 min ?
    6·1 answer
  • What is the reason for making fans and wings of aeroplane from plastic?​
    9·1 answer
  • A student massed an unknown sample and found it to be 23.5g. The volume of the sample is 2.00mL. Calculate the density
    9·2 answers
  • 2.3g of sodium metal is burned completely in oxygen of air.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!