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
ANTONII [103]
1 year ago
13

How many molecules of nitrogen gas are found in 0. 045 L of nitrogen gas at STP?

Chemistry
1 answer:
stepan [7]1 year ago
7 0

Answer:

See below

Explanation:

.045 liter / 22.4  l / mole   * 6.022 x 10^23 molecules/mole   * 2 atoms/molecule  =

( * 2 becuase nitrogen gas is diatomic)

You might be interested in
Describe an acid or base in terms of its relationship to protons
motikmotik
Acids are donors of protons (H+) and bases are acceptors of protons.
For example:
1) hydrochloric acid (HCl) in reaction with water give one proton to water and become chloride anion (Cl-).
2) ammonia (NH3) Is base, in reaction with water accepts one protone and become ammonium cation (NH4+).
4 0
2 years ago
A cat travels 240 meters in 30 seconds, and a sprinter travels 100 meters in 9.5 seconds. Which is traveling faster, the cat or
joja [24]

Answer:

The cat

Explanation:

1) You need to find how many meters per second each thing is sprinting, so you can divide the meters by seconds for each.

\frac{240}{30} = 8 m/s\\\frac{100}{9.5} = around  10.5 m/s

2) Per second, the sprinter is able to achieve 8 meters, while the cat can do around 10.5 meters. 10.5 is greater than 8, making the cat faster than the sprinter.

4 0
2 years ago
Lina has worked hard to gather data for her experiments. With her last set of data she received, she is ready to publish her pap
nika2105 [10]

43.8 has 3 significant figures and 1 decimal.

<h3 /><h3>What are significant figures?</h3>

The term significant figures refer to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation.

All zeros that occur between any two non-zero digits are significant. For example, 108.0097 contains seven significant digits. All zeros that are on the right of a decimal point and also to the left of a non-zero digit are never significant. For example, 0.00798 contained three significant digits.

Hence, 43.8 has 3 significant figures and 1 decimal.

Learn more about significant figures here:

brainly.com/question/14359464

#SPJ1

8 0
1 year ago
Which body system is this? Your brain and nerves receive and send
KiRa [710]

Answer: its the nervous system

Explanation:

8 0
3 years ago
I don’t know what the correct answer is? Can anyone explain?
Scorpion4ik [409]

Short Answer:

C)

Long Answer:

A- When a solid is heated, it melts and becomes a liquid. (Another older term is Fusion.) An example of this is ice to water when you leave it outside the freezer.

B- When a liquid becomes a gas, it undergoes a process called boiling. Example: When you boil water, it becomes steam.

C- It is called deposition. Example: How snow forms in clouds.

7 0
2 years ago
Read 2 more answers
Other questions:
  • At which point was neutralization complete for the acid that is being titrated below?
    9·2 answers
  • A certain substance X has a normal freezing point of -10.1 degree C and a molal freezing point depression constant K_f = 5.32 de
    6·1 answer
  • Which is a spectator ion in the reaction between NaOH(aq) and H2SO4(aq)?
    15·2 answers
  • Which change would result in a stronger electromagnet?
    7·2 answers
  • If you put an egg on a sidewalk on a hot day in July and try to cook it you are using?
    6·1 answer
  • Elements are organized into groups / families according to their physical and chemical properties. Identify the elements that's
    15·1 answer
  • How can you change a objects state of matter
    5·1 answer
  • Help me out please an thank you
    6·1 answer
  • How far does Mrs. Spencer live if she drives home with a speed of 1.5 kilometers and it takes her 25 minutes to get home? It’s f
    14·1 answer
  • ENG
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!