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
brilliants [131]
3 years ago
5

It is obvious that the large stalactites in an underground cavern must have required long ages to form. True False

Chemistry
1 answer:
aivan3 [116]3 years ago
6 0
True, it is formed from immense weathering over time. Hope it helped!
You might be interested in
The North Star is the last star in the Ursa Minor constellation.<br> True<br> False
Alja [10]
The answer is true. It is the last star.
4 0
3 years ago
What is the mean free path for the molecules in an ideal gas when the pressure is 100 kPa and the temperature is 300 K given tha
sladkih [1.3K]

Answer:

The mean free path = 2.16*10^-6 m

Explanation:

<u>Given:</u>

Pressure of gas P = 100 kPa

Temperature T = 300 K

collision cross section, σ = 2.0*10^-20 m2

Boltzmann constant, k = 1.38*10^-23 J/K

<u>To determine:</u>

The mean free path, λ

<u>Calculation:</u>

The mean free path is related to the collision cross section by the following equation:

\lambda =\frac{1}{n\sigma }------(1)

where n = number density

n = \frac{P}{kT}-----(2)

Substituting for P, k and T in equation (2) gives:

n = \frac{100,000 Pa}{1.38*10^{-23} J/K*300K} =2.42*10^{25}\  m^{3}

Next, substituting for n and σ in equation (1) gives:

\lambda =\frac{1}{2.42*10^{25}m^{-3}* .0*10^{-20}m^{2}}=2.1*10^{-6}m

6 0
3 years ago
515282 quarts into milliliters. I
Minchanka [31]

Answer:

487638640,7819

dndndnndndbxbdbdbdbdb

6 0
3 years ago
Please answer! I will mark you as brainlist! ​
blagie [28]

Answer:

a) no

b) no

c) yes

d) yes

Explanation:

7 0
2 years ago
In science, a summary of observed behavior is referred to as a(n)
umka2103 [35]

Answer:

Law

Explanation:

A law is a summary of observed (measurable) behavior, whereas a theory is an explanation of behavior. A law tells what happens; a theory (model) is our attempt to explain why it happens.

5 0
3 years ago
Other questions:
  • A solution has a pOH of 8.7 so what is the pH of the solution? Is the solution acidic, basic, or neutral?
    11·2 answers
  • Law of action-reaction
    8·1 answer
  • Which of the following is not balanced?
    5·1 answer
  • (01.01 MC)
    12·2 answers
  • The active planning stage of change is ____________. Group of answer choices maintenance action contemplation preparation
    5·1 answer
  • Which characteristic of water helps it form droplets?
    5·1 answer
  • PLEASE HELP IT'S URGENT
    14·2 answers
  • Which activity is an example of a scientist using creativity?
    7·1 answer
  • A precipitate forms when mixing solutions of sodium fluoride (NaF) and lead II nitrate (Pb(NO3)2). Complete and balance the net
    13·1 answer
  • Please, Give the correct answer ! Don't spam comment​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!