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
Rudiy27
3 years ago
7

3. At the end of a warm summer day, imagine you are jumping from the 80°F air into an

Chemistry
1 answer:
djyliett [7]3 years ago
8 0

Answer:

  • <u>1. Since the temperature of your body is higher than the temperature of the air and of the water, heat will flow from your body to the air and pool.</u>

<u></u>

  • <u>2. The pool feels cooler than air because the water can absorb heat energy faster than the air, due to liquids are better conductors than gases.</u>

<u></u>

Explanation:

Heat always flows from warmer substances to colder ones.

The normal body temperature is 98ºF. Therefore, the heat will flow from your body to the air and pool, which are at a lower temperature of 80ºF. In both cases, you will lose thermal energy and the external parts of your body will cool down.

The difference between both cases is in the heat conduction capacity of both air and water.

Liquids (and solids) are better <em>thermal conductors </em>than gases because the conduction of heat occurs as result of the direct contact between the particles of matter: the atoms or molecules in hot matter vibrate faster than their neighbors and transmit them kinetic energy by direct contact.

Therefore, the liquid water in the swimming pool, at the same temperature than the air, will be able to absorb more heat in the same time from the body.

In conclusion, the body will cool down faster in water than in air which is why the pool feels cooler than air.

You might be interested in
What is the formula mass of hydrated magnesium sulfate?
Masteriza [31]

Answer:

138.39 g/mol

Explanation:

Formula mass is a synonym for molar mass, which is the sum of all the masses of the elements. These can be found on a periodic table.

Because this is hydrated, the formula needs to include H2O.

MgSO4 + H2O

Mg + S + 4O + 2H + O

24.31 + 32.07 + (4*16) + (2*1.008) + 16 = about <u>138.39</u>

3 0
3 years ago
If you were a given a beaker containing a clear solution (with no solid solute at the bottom), what simple test would you do to
raketka [301]

Answer:

put a filter to see if there is any stagering solution

Explanation:

6 0
2 years ago
A compound that changes color when it is in contact with an acid or base is called
malfutka [58]
It's called a pH indicator.
4 0
3 years ago
The temperature of a container of oxygen gas is increased from 149 k to 298 k which of the following statement is true
ozzi

Answer:

______is used in production of hard disk.

Explanation:

8 0
3 years ago
Please help
lora16 [44]
Find the molar mass of CH3 and divide that by 45.0. That should give a whole number and then mult that whole number by CH3 to find molecular formula to get like ( incorrect ex: C2H6) which is mult by 2
6 0
2 years ago
Other questions:
  • Minerals are grouped into mineral classes primarily on a basis of _____. the number of cleavage directions present chemistry, sp
    5·1 answer
  • A solution of naoh(aq) contains 8.1 g of naoh(s) per 100.0 ml of solution. calculate the ph and the poh of the solution at 25 °c
    11·1 answer
  • Two different liquids are mixed together. Which observation indicates that an exothermic chemical reaction has taken place?
    12·2 answers
  • 40 000 L + 125 000 L scinetific notation
    12·1 answer
  • Why do metallic properties gradually change into non-metallic in the same period ?​
    5·1 answer
  • Dyfuzja co to jest i na czym polega
    12·1 answer
  • HELP ME with THIS I am time i have a little bit of time and still have more questions !!! CHEMISTRY!!
    15·1 answer
  • The pressure inside of a tire is measured as
    10·1 answer
  • What kind of elements are on the left side of the zig-zag line on the periodic table? ​
    12·1 answer
  • What is the height on human
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!