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
Alisiya [41]
4 years ago
7

How many feet are contained in .399 km

Chemistry
1 answer:
stiks02 [169]4 years ago
7 0
1309.0551181 feet are contained in .399 km
You might be interested in
Can you explain what he did wrong.
vivado [14]
Cant see it well please find better view
7 0
3 years ago
For the reaction PC15 (8) PC13 (g) + Cl2 (g) K = 0.0454 at 261 °C. If a vessel is filled with these gases such that the initial
Fiesta28 [93]

Answer:

The correct answer is B.

The K_{eq} is samller than Q of the reaction . So,the reaction will shift towards the left i.e. towards the reactant side.

Explanation:

Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as K_{eq}

K is the constant of a certain reaction when it is in equilibrium, while Q is the quotient of activities of products and reactants at any stage other than equilibrium of a reaction.

For the given chemical reaction:

PCl_5(g)\rightleftharpoons PCl_3(g)+Cl_2(g)

The expression for Q is written as:

Q=\frac{[PCl_3][Cl_2]}{[[PCl_5]^1}

Q=\frac{0.20 M\times 2.5 M}{0.20 M}

Q=2.5

Given : K_{eq} = 0.0454

Thus as K_{eq}, the reaction will shift towards the left i.e. towards the reactant side.

4 0
3 years ago
Read 2 more answers
A microwave operates at 7.42 mm wavelength. How much energy is produced in Joules from 359 photons?
alisha [4.7K]

Answer:

E=9.62\times 10^{-21}\ J

Explanation:

Given that,

The wavelength of a microwave is 7.42 mm or 0.00742 m

No. of photons, n = 359

We need to find the energy produced by this no of photons. It can be given by the formula as follows :

E=\dfrac{nhc}{\lambda}\\\\E=\dfrac{359\times 6.63\times 10^{-34}\times 3\times 10^8}{0.00742}\\\\=9.62\times 10^{-21}\ J

or

E=9.62e^{-21}\ J

So, the required energy is 9.62\times 10^{-21}\ J.

3 0
3 years ago
Read 2 more answers
The process of gas converting to a liquid is called evaporation.<br><br> TRUE<br><br> FALSE
motikmotik
False. Because gas to a liquid is called condensation
6 0
3 years ago
Fatty acid oxidation occurs in the mitochondrial matrix. However, long-chain fatty acyl-CoA molecules cannot cross the inner mem
GaryK [48]

Answer:

Explanation:

see answer below in the attached file.

4 0
3 years ago
Other questions:
  • Sodium hydroxide is a substance that causes severe burns. It is used in many educational laboratory activities but, because of i
    6·1 answer
  • Does salt water or fresh water freeze faster
    14·2 answers
  • Significant digits are the number of digits that reflect the precision of a measurement or number.
    14·1 answer
  • 20 POINTS!<br><br> what would be an example of an everyday household acid and base?
    13·2 answers
  • How many moles of sodium carbonate contain 1.773 × 1017 carbon atoms?
    8·1 answer
  • Answerr fasttt pleaseee lets see who can answer
    13·1 answer
  • Write the net ionic equation for the reaction of sodium chloride with magnesium hydroxide. Include the complete ionic equation a
    14·2 answers
  • Does anyone know what the formula would be for Rhenium V Biphosphate?
    7·1 answer
  • Calculate the [H3O+] of an aqueous solution that is 1.94 x 10-7 Min OH.
    14·1 answer
  • Chemistry
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!