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AveGali [126]
2 years ago
6

2. What states of matter exist within the human body? What state of matter do you think your body is mostly made up of? Why? (4

points) Think about whether the body contains solids, liquids, or gases. Which of the three would you be most likely to find?
Chemistry
1 answer:
Ludmilka [50]2 years ago
8 0

Answer:

Solids, liquids, and gases, exist in the human body. The body is mostly made up of liquid because the human body is 60% water. You would most likely be able to find solids (bones), liquids (blood, stomach acid) and gases (oxygen in your lungs or air in your digestive tract).

Explanation:

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2. How much heat is released when 432g of water cools down from 710C to 180C?
nadya68 [22]
The heat released by the water when it cools down by a temperature difference AT

is Q = mC,AT

where

m=432 g is the mass of the water

C, = 4.18J/gºC

is the specific heat capacity of water

AT = 71°C -18°C = 530

is the decrease of temperature of the water

Plugging the numbers into the equation, we find

Q = (4329)(4.18J/9°C)(53°C) = 9.57. 104J

and this is the amount of heat released by the water.
7 0
3 years ago
As a cooking method, braising is valued for its A. ability to retain flavor. B. quickness and convenience. C. ability to create
SSSSS [86.1K]

Answer: Option (A) is the correct answer.

Explanation:

Braising means first of all fry a dish slightly and then cook it slowly in a closed vessel or dish. The vessel is close so that the liquid present inside it does not evaporates.

Also, Braising is done to mix the flavors of different liquids or spices appropriately.  

Thus, we can conclude that as a cooking method, braising is valued for its ability to retain flavor.

5 0
3 years ago
Read 2 more answers
if 30.0L of oxygen are cooled from 200 degrees celsius to 1 degree celsius at constant pressure, what is the new volume of oxyge
Sergio039 [100]

Answer: 18.65L

Explanation:

Given that,

Original volume of oxygen (V1) = 30.0L

Original temperature of oxygen (T1) = 200°C

[Convert temperature in Celsius to Kelvin by adding 273.

So, (200°C + 273 = 473K)]

New volume of oxygen V2 = ?

New temperature of oxygen T2 = 1°C

(1°C + 273 = 274K)

Since volume and temperature are given while pressure is held constant, apply the formula for Charle's law

V1/T1 = V2/T2

30.0L/473K = V2/294K

To get the value of V2, cross multiply

30.0L x 294K = 473K x V2

8820L•K = 473K•V2

Divide both sides by 473K

8820L•K / 473K = 473K•V2/473K

18.65L = V2

Thus, the new volume of oxygen is 18.65 liters.

5 0
3 years ago
20.What do carbon and silicon have in common?
MAXImum [283]

Answer:

i think it's C

Hope It Helps!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! :D

3 0
3 years ago
Water and salt are compounds made of the combination of more than
inn [45]

Answer:

A. Because they are compounds, they cannot be pure substances.

Explanation:

The false statement from the given choices is that because they are compounds they cannot be pure substances. In fact, because they are compounds they are pure substances.

Pure substances are made up of elements and compounds and they have the following properties:

  • All parts are the same throughout
  • Composition is definite
  • They cannot easily be separated or broken
  • Separation by physical method is not easy
  • They have unique sets of physical and chemical properties.
8 0
3 years ago
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