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
Zolol [24]
3 years ago
7

A mole of hydrogen atoms has 6.02 x 10^23 atoms. It occupies 22.414 L. How many hydrogen atoms are in 50.00 mL?

Chemistry
1 answer:
Greeley [361]3 years ago
3 0

Answer:

This is a simple case of ratios. (1 mol)/(22.4 L)=(n mol)/(.025 L) Then we cross multiply and we get 22.4n=.025 We divide each side by 22.4 to find n=.001116 mol Then to convert the moles to atoms we multiply, and cross-cancel the units (.001116 mol)/1 xx (6.02 xx 10^23 atms)/(1 mol) and we have 6.72 xx 10^20 atoms.  I've found the trick of cross-cancelling units to be a very effective mnemonic, it always makes sure you carry out the correct calculation to find the desired units.

Explanation:

You might be interested in
3. Convert 0.45 g of sodium hydroxide, NaOH<br> to moles.
natima [27]

Answer:

*

Explanation:

8 0
3 years ago
Read 2 more answers
As a research scientist, you measure the amount of ATP and NADPH consumed by the Calvin cycle in 1 hour. You find 30,000 molecul
aliya0001 [1]

The question is incomplete as it does not have the options which are:

A) photosystem II

B) photosystem I

C) cyclic electron flow

D) linear electron flow

E) chlorophyll

Answer:Cyclic electron flow

Explanation:

The plants produce ATP molecule by the process of a light-dependent phase of photosynthesis which produces ATP and NADPH molecules.

The ATP and NADPH are produced by the non-cyclic flow of electrons called Z-scheme but when the plant needs extra ATP molecules, they produce more ATP by the cyclic electron flow.

The cyclic electron flow begins when the P₇₀₀ activates electron which then transferred to ferredoxin and then to cyt b₆f and then to plastocyanin. This is repeated and produce ATP molecules escaping the production of NADPH.

Thus, Cyclic electron flow is correct.

4 0
3 years ago
The action force always acts in the ____ direction as the reaction force
andriy [413]

Answer:

opposite

Explanation:

Newtons law explains that for every action force there is an equal and opposite reaction.

6 0
4 years ago
1.which electromagnetic wave has the; longest wavelength, lowest speed, highest frequency, and greatest energy ?
Sergeu [11.5K]
Radio waves infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays are all types of electromagnetic radiation. Radio waves have the longest wavelength, and gamma rays have the shortest wavelength.
8 0
3 years ago
Question 16 of 33
Shtirlitz [24]
I think the answer is A
5 0
3 years ago
Other questions:
  • What is the mass in grams for 9.0 mol lead oxide
    11·2 answers
  • What element becomes a gas at room temperature
    5·1 answer
  • What mass of calcium chloride is needed to prepare 2.657 L of a 1.56 M solution?
    10·1 answer
  • Write the molecular formula for the compound that exhibits a molecular ion at M+ = 112.0499. Assume that C, H, N, and O might be
    12·1 answer
  • You explored the relationship between molarity, the number of moles, and solution volume. However, when you prepare a solution,
    8·1 answer
  • Write an equivalence statement for micrometers and meters
    9·1 answer
  • Match the element with its number of valence electrons. (4 points) 1. Fluorine a 2. Helium 3. Sodium 4. Aluminum a. 2 b. 3 c. 7
    8·1 answer
  • The only nonmetal that is liquid at room temperature is:
    13·2 answers
  • What could be the fourth quantum number of a 1s^2 electron be?
    9·1 answer
  • Which changes involve forming or breaking chemical bonds?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!