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lesantik [10]
4 years ago
12

Why would the pressure of a sample of gas at a constant volume fall .10 atm?

Chemistry
1 answer:
Lisa [10]4 years ago
7 0

Answer:

As the temperature of a sample of gas falls from 45.0ºC to 30.0ºC, its pressure falls to 300.

Explanation:

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Rank these molecules or groups of molecules by when mammals use them as fuel, from right after a meal through only during starva
Natalka [10]

The question is incomplete: the complete question is:

Rank molecules or group of molecules by when mammals use as fuel, starting right after meal to only through?

starvation.

a) glucose from glucose-2-phosphate from glycogen.

b) free glucose and amino acids

c) fatty acids from triglycerides

d) glucose produced from amino acids in liver.

Answer:

B

A

C

D

Explanation:

Free glucose and amino acid enters into the blood stream directly and can be used immediately after meals by mammals.

The liver stores excess glucose as glycogen, hence when glucose levels begin to reduce in the body, the pancreas releases glucagon which converts glycogen to glucose.

Triglycerides are broken down to give fatty acids which gives much more energy than glucose.

During starvation, amino acids in the liver is converted to glucose when a person goes for days without eating.

6 0
3 years ago
Osmium has a density of 22.6 g/cm^3. What volume (in cm^3) would be occupied by a 21.8 g sample of osmium?
Snowcat [4.5K]

0.9645 cm³ is the occupied volume by a 21.8 g sample of osmium of density of 22.6 g/cm^3.

Given values are:

  • Mass, m = 21.8 g
  • Density, d = 22.6 g

Density is given by,

  density = \frac{mass}{volume}

⇒volume = \frac{mass}{volume}

⇒volume = \frac{21.8}{22.6}

⇒volume = 0.9645 cm^3

∴The volume is 0.9645cm^3

To learn more about Density: brainly.com/question/15164682     #SPJ4

6 0
2 years ago
A temperature of 55°F is approximately equivalent to 13°C.
GuDViN [60]

Answer: Yes. That is right. The actual answer, not rounded, would be 12.7778 Degrees Celsius.

7 0
3 years ago
Read 2 more answers
In terms of electrons, what is the difference between a covalent and ionic bond
kramer

Answer:

An ionic bond essentially donates an electron to the other atom participating in the bond, while electrons in a covalent bond are shared equally between the atoms. Ionic bonds form between a metal and a nonmetal. Covalent bonds form between two nonmetals

7 0
3 years ago
PLS HELP
Juli2301 [7.4K]

Answer:

False

Explanation:

Water molecules are spread up but slightly, enough that none of the molecules actually move freely around each other. Only gas and plasma molecules are very spread apart.

7 0
3 years ago
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