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denis23 [38]
3 years ago
7

Explain why you feel hot when you touch something hot

Chemistry
2 answers:
aivan3 [116]3 years ago
7 0
<span>It's our bodies way of telling us it is dangerous

The peripheral nervous system recognizes that we are touching something that could burn our skin and sends a rush of pain to our hand and fingers so we will pull away quickly before any damage is done to our skin.

Hope this helped. Have a great day!</span>
nalin [4]3 years ago
3 0
This is because of your sense of touch that originates from the bottom layer of skin called the dermis. The dermis tells your nerves information about what you are touching. Your nerves then send a message to your brain through your nervous system telling you the temperature (or if it is painful or has pressure) of the object. Your hands (mainly your fingertips) have more nerve endings than the rest of you, that is why they are more sensitive to touch.
Does this help?
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A sample of gas occupies a volume of 67.5 mL . As it expands, it does 131.0 J of work on its surroundings at a constant pressure
baherus [9]

Answer:

The final volume V2=1.3175L

Explanation:

between work ( w), pressure ( P ) and volume ( V ) is the following:

w=−PΔV

where,

ΔV=V2−V1

It was stated that the gas is expanding, then the work is done by the system and it is of a negative value .

Note that work, should be expressed in 1L⋅atm=101.3J

CHECK THE ATTACHMENT FOR DETAILED EXPLATION

4 0
4 years ago
Can someone help me please
Aloiza [94]
<span>A cloud collapses to form a star and disk. Planets form from this disk.

According to our current understanding, a star and its planets form out of

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7 0
3 years ago
What is the rule of thumb for the activity trends of metals and nonmetals? Explain and give examples.
pentagon [3]

This for metal......the farther to the left the more reactive they are. Group 1 metals, which include sodium and potassium, are so highly reactive that they do not exist in nature by themselves


Thats non metals..........the farther to the right the more reactive they are *with the exception of group 18* which are the noble gases and do not react at all. The most reactive are group 17, which include fluorine and chlorine. These non-metals, like group 1, rarely exist by themselves because of their high reactivity.

5 0
4 years ago
Hydrogen gas is most important in our daily life​
Ann [662]

Answer:

That's true. What are you asking?

8 0
3 years ago
for number less than 0.1, such as 0.06, the zeros to the right of the decimal point but before the first nonzero digit
qaws [65]

For the number less than 0.1 such as 0.006, the zeroes to the right of the decimal point but before the first non zero digit show the decimal place of the first significant digit.

  • The number that is given as digits is established using significant figures.
  • Any two non-zero digits that are separated by a zero are significant figure.
  • Every zero that is both to the right and left of a non-zero digit and the decimal point is not significant figure.
  • The quantity of significant figures frequently reveals the degree of measurement accuracy. From the first non-zero digits in the figure, we may determine the number of significant figures.

There is only one significant figure in the provided number 0.06. The decimal place of the first digit is indicated by the zeros that appear to the right of the decimal point but before the first non-zero digit.

Learn more about significant figure here:

brainly.com/question/11151926

#SPJ9

6 0
2 years ago
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