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
lutik1710 [3]
3 years ago
9

Why can you fit more drops of water than alcohol on a penny

Biology
2 answers:
Evgesh-ka [11]3 years ago
6 0
The reason you can fit more drops of water on a penny then alcohol is because alcohol is a mixture, meaning it is not pure.
KiRa [710]3 years ago
4 0
This configuration in the molecule produces some hydrogen bonding which is weaker than<span> that in </span>water<span> molecules. As a result, the ethyl </span>alcohol<span> has less surface tension </span>than water<span>. About 20 to 30 </span>drops<span> of ethyl </span>alcohol can<span> be placed on a </span>coin<span>depending on </span>drop<span> size.</span>
You might be interested in
Define atomic number, atomic weight and atomic mass.
lozanna [386]
Atomic number shows the number of protons in the nucleus of an atom.
Atomic weight shows the is an another term for atomic mass, which means <span>It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.</span>
6 0
3 years ago
When using the scientific method,which step comes last
Mama L [17]

The scientific method has five basic steps, plus one feedback step: Make an observation. Ask a question. Form a hypothesis, or testable explanation.

4 0
3 years ago
Read 3 more answers
During gastrulation, animals whose first opening is the anus are called
ELEN [110]
<span>The biological term for such organisms is "deuterostomes". Those who's first opening is the mouth are called protostomes. </span>
4 0
3 years ago
Read 2 more answers
Dangling high above the ground, this rock climber relies on muscular strength to pull her weight higher and higher. However, mus
Aloiza [94]

Answer:

The correct answer is - It has to act together with the nervous system mainly with other systems that assist in rock climbing.

Explanation:

Rock climbing is a physical activity or sport that could practice indoor or outdoor with mountains. It is a sport that requires physical and mental strength as it requires muscle strength, coordination, or balance, agility, endurance, and mental control over body and mind.

Muscular systems involve pulling the weight of an individual towards and leg muscles to hold whereas the nervous system controls or maintain the actions of muscles and also helps in balance the body of the climber. This neuromuscular set helps in maintains the muscle's tonicity in order to execute the action of climbing.

Other than these two main body systems there are cardiovascular system, circulatory system and respiratory system also helps in providing the conditions like increase oxygen input, high heartbeat, and more.

6 0
3 years ago
Read 2 more answers
Manuel and three other students are studying the effects of various factors on the growth of plants in a garden. Manuel is asked
Dimas [21]
D is ur answer hope I helped
uwu
4 0
3 years ago
Other questions:
  • Binary fission is a process through which
    14·2 answers
  • Exponential growth tends to occur in populations that are found in __________ environments and have __________ population densit
    9·1 answer
  • Why are scientists who are searching for life on other planets studying Archaebacteria? A. They are rare and likely to be abunda
    15·2 answers
  • What is the relationships between a gene and a protein
    13·1 answer
  • Consider a locus with two alleles - B and b. B is dominant, while b is recessive. There is no mutation. B has a selective advant
    13·1 answer
  • Pls help me for brainliest
    10·2 answers
  • Which of the following is a use for a weather radar? a. forecasting weather b. preventing precipitation c. measuring rainfall d.
    12·2 answers
  • why are wind,hydroelectric, and geothermal energy resources not suitable for providing energy worldwind? NEED HELP ASAP
    12·1 answer
  • why did the researchers add filtrate which macerated moss had been removed to control microcosms?(worth 5marks)​
    5·1 answer
  • What is the insertion site of the gracilis muscle?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!