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andrezito [222]
2 years ago
13

which diver will experience more pressure: A scuba diver at 10 meters or one at 100 meters below at the surface of the water

Chemistry
1 answer:
Sav [38]2 years ago
8 0

Answer:

The one 100 meters below the surface of the water.

Explanation:

As you go deeper into a body of water, there is more water above, and therefore a greater weight pushing you down.

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The most abundant class of phospholipid in animal cell membranes, with a hydrophobic tail composed of two fatty acyl chains, est
juin [17]

Answer:

Phosphatidylcholine also known as lecithin

Explanation:

The most common phospholipids in order of abundance are

1). phosphatidylcholine, lecithin

2). phosphatidylethanolamine, cephalins 3).phosphatidylinositol, and 4).phosphatidylserine.

They have the common characteristics of esterified fatty acids to the 1 and 2 positions of the glycerol structure with the esterified phosphate group to the 3 position

7 0
3 years ago
A gas cylinder contains exactly 15 moles of oxygen gas (O2). How many molecules of oxygen are in the cylinder? 4.01 × 1022 molec
kolezko [41]
Moles are used conveniently in chemistry especially in stoichiometric calculations involving reactions. The unit of mole is a collective term that holds 6.022×10^23 particles. These particles is a general term for any small units of matter including molecules, atoms and sub-particles. This ratio of 6.022×10^23 particles to 1 mole is known to be the Avogadro's number. Its exact number is actually <span>6.0221409</span>×10^23. We use this constant in our stoichiometric calculation as follows:

15 moles oxygen * (6.022×10^23 molecules/ 1 mole oxygen) = 9.033×10^24 molecules of oxygen
5 0
3 years ago
Read 2 more answers
For which process is ΔS negative? Group of answer choices A. grinding a large crystal of KCl to powder B. raising the temperatur
ludmilkaskok [199]

Answer:

C.

Explanation:

The entropy (S) is the measure of the randomness of a system, and ΔS = Sfinal - Sinitial. As higher is the disorder of the system, as higher is the entropy.

A. When KCl is fractionated in power, there'll be more portions of it, so, the disorder must be higher, then ΔS is positive.

B. As higher is the temperature, higher is the kinetic energy of the system, and because of that, the disorder is also higher, so ΔS is positive.

C. The decrease in the volume (compression) decreases the distance between the molecules, so the system will be more organized, then ΔS is negative.

D. The volume before the mixing will be higher, and the ethanol will dissociate, so it will be more particles, the disorder will increase, and ΔS is positive.

E. Sgas > Sliquid > Ssolid because of the disorder of the molecules, then ΔS is positive.

5 0
3 years ago
Explain how heat is exchanged through potential and kinetic energy
padilas [110]

Answer:

Kinetic And Potential Energy Working Together All forms of kinetic energy are the result of a previous state of potential energy. For example, the stored chemical potential energy of a battery converts to electrical kinetic energy to transport electricity to a light bulb, which radiates thermal kinetic energy.

Explanation:

3 0
3 years ago
What is the site of ATP synthesis
Fynjy0 [20]
ATP is synthesized in the mitochondria.
The mitochondria is known to be the powerhouse of a cell.


Hope it helped!
6 0
2 years ago
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