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nikdorinn [45]
3 years ago
5

Plz someone help me i dont get this and i need to finish this

Chemistry
1 answer:
Verizon [17]3 years ago
5 0

Answer:

The height of A is 900

Explanation: Beside A, there is a number which explains what the height is so the answer is A.

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You need to determine the mass of an aqueous solution. You determine the mass of your 10.0 mL graduated cylinder to be 23.731 g.
Amanda [17]

Answer: 0.86g/mL

Explanation:

Mass of empty cylinder = 23.731g

Mass of cylinder + liquid = 26.414g

Mass of the liquid = 26.414 — 23.731

= 2.683g

Volume of the liquid = 3.12mL

Density = Mass / volume

Density = 2.683g / 3.12mL

Density = 0.86g/mL

3 0
3 years ago
Who was the scientist responsible for the discovery of the keystone species
sveticcg [70]

Answer:

Ecologist Robert Paine

Explanation:

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3 years ago
The process of generating electricity from dams and nuclear power plants is very different, but some of the energy transformatio
Sindrei [870]

Answer:

yuh

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3 0
2 years ago
The atomic mass of oxygen is 15.999 amu whatbdoes the value equal
sweet-ann [11.9K]

Answer:

The sum of the protons and neutrons.

Explanation:

protons + neutrons = atomic mass

7 0
3 years ago
What is the definition of Solvent
Helen [10]
A solvent (from the Latin solvō, "I loosen, untie, I solve") is a substance that dissolves a solute (a chemically distinct liquid, solid or gas), resulting in a solution. A solvent is usually a liquid but can also be a solid or a gas. The quantity of solute that can dissolve in a specific volume of solvent varies with temperature. Common uses for organic solvents are in dry cleaning (e.g., tetrachloroethylene), as paint thinners (e.g., toluene, turpentine), as nail polish removers and glue solvents (acetone, methyl acetate, ethyl acetate), in spot removers (e.g., hexane, petrol ether), in detergents (citrus terpenes) and in perfumes (ethanol). Water is a solvent for polar molecules and the most common solvent used by living things; all the ions and proteins in a cell are dissolved in water within a cell. Solvents find various applications in chemical, pharmaceutical, oil, and gas industries, including in chemical syntheses and purification processes.


source: wikapedia
4 0
3 years ago
Read 2 more answers
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