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
KATRIN_1 [288]
3 years ago
13

According to recent research, ice skaters are able to glide smoothly across the ice because

Chemistry
2 answers:
adelina 88 [10]3 years ago
5 0
I think its A. ice is constantly subliming to form a layer of water vapor. or B. a thin, liquid-like layer of water covers the ice.
ivann1987 [24]3 years ago
5 0

Answer:

B. A thin, liquid-like layer of water covers the ice

Explanation:

Hello,

Ice skaters are able to glide smoothly across the ice because a thin, liquid-like layer of water covers the ice, this is achieved due to the environmental conditions which allow the liquid water layer to coexist with the ice. Due to this fact, the liquid-like layer diminishes the friction coefficient between the ice skateboard and the ice allowing the slip to be carried out smoothly.

Best regards.

You might be interested in
44.90 g of reactants are placed in a beaker
sergiy2304 [10]

Answer:

D. -1882J

Explanation:

We can solve the energy released in a chemical reaction in an aqueous medium using the equation:

Q = -m*C*ΔT

<em>Where Q is energy (In J),</em>

<em>m is mass of water (45.00g)</em>

<em>C is specific heat of water (4.184J/g°C)</em>

<em>And ΔT is change in temperature (25.00°C - 15.00°C = 10.00°C)</em>

<em />

Replacing:

Q = -45.00*4.184J/g°C*10.00°C

Q = -1882J

Right answer is:

<h3>D. -1882J</h3>

<em />

7 0
3 years ago
Which two elements naturally occur as liquids?
Korolek [52]
I hope this helps, it’s the only answer i could find lol and im not smart so i just looked it up HAHAHAH oops

5 0
4 years ago
Which of the following reactions is incorrectly labeled?
mars1129 [50]

<u>Answer:</u>

<em>The option a termed as precipitation reaction is incorrectly labelled. </em>

<u>Explanation:</u>

The chemical reactions are classified based on the reactants used and products formed in a reaction. They are decomposition reaction, single displacement reaction, double displacement reaction, acid-base neutralisation reaction, precipitation reaction, combustion reaction, redox reaction and organic reaction.

Among these, the given options are labelled as precipitation and combustion reaction. The one which is labelled as combustion reaction is correct because combustion reactions occur in the presence of oxygen only and the products of combustion reaction should include water, oxygen or carbon and heat.

The other option which is labelled as precipitation reaction is incorrect because precipitation reaction occurs when an ionic substance will come out of a solution due to heating it or stirring it making the solubility of the ionic substance in a solution zero such that it will come out as solid and form a layer at the bottom of the solution.

But in this case all the products are in aqueous state, there is absence of any ionic substance in solid state, so the option which is labelled as precipitation reaction is incorrectly labelled.

3 0
3 years ago
What is the name of ClF4
Contact [7]

Answer:

tetrafluorochlorate

Tetrafluorochlorate(1-)

PubChem CID60211070Molecular FormulaClF4-Synonymstetrafluorochlorate(1-) tetrafluoridochlorate(1-) F[Cl](F)(F)F ClF4(-) CHEBI:30125 More...Molecular Weight111.45 g/molDatesModify 2021-01-09 Create 2012-10-18

Explanation:

please mark me as brainliest thank you

8 0
3 years ago
True or false: water is weird. Normally the solid form of a substance is more
steposvetlana [31]

Answer:

this would be true friend :)

Explanation:

for density, it generally goes solids, liquids, then gas in order from most dense, to least dense.

please rate and mark as brainlest.

4 0
3 years ago
Other questions:
  • How can scientists practice ethical lab behavior?
    13·2 answers
  • Experiment:
    14·1 answer
  • What is La Niña?
    9·1 answer
  • Calculate the mass of each sample.
    14·1 answer
  • 6.8 miles of NO2= g of NO2
    11·1 answer
  • Some chemical reactions take a very long time to go to completion or cannot be directly measured. Which law allows one to use tw
    8·1 answer
  • Convection currents slowly move tectonic plates across Earth<br><br> True or False?
    5·2 answers
  • Please Help!!!!!!!!!!!!!!
    13·2 answers
  • State one source of lead compounds in the air?
    11·1 answer
  • What is the mass of a 32.5-ml sample of ethanol? the density of ethanol is 0.789 g/ml.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!