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Usimov [2.4K]
2 years ago
5

Kinetic energy increases as velocity ___

Chemistry
2 answers:
lana [24]2 years ago
8 0

Answer:

square of it's speed

Explanation:

aalyn [17]2 years ago
8 0

Answer:

kinetic energy increases as the square of its speed.

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How are a carrot, an amoeba, and a bacterium alike?
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Answer:

They all are made up of cells

8 0
3 years ago
Determine the freezing point of an aqueous solution containing 10.50 g of magnesium bromide in 200.0 g of water.
Rudiy27
For an aqueous solution of MgBr2, a freezing point depression occurs due to the rules of colligative properties. Since MgBr2 is an ionic compound, it acts a strong electrolyte; thus, dissociating completely in an aqueous solution. For the equation:

                                ΔTf<span> = (K</span>f)(<span>m)(i)
</span>where: 
ΔTf = change in freezing point = (Ti - Tf)
Ti = freezing point of pure water = 0 celsius
Tf = freezing point of water with solute = ?
Kf = freezing point depression constant = 1.86 celsius-kg/mole (for water)
m = molality of solution (mol solute/kg solvent) = ?
i = ions in solution = 3

Computing for molality:
Molar mass of MgBr2 = 184.113 g/mol

m = 10.5g MgBr2 / 184.113/ 0.2 kg water = 0.285 mol/kg


For the problem, 
ΔTf = (Kf)(m)(i) = 1.86(0.285)(3) = 1.59 = Ti - Tf = 0 - Tf

Tf = -1.59 celsius
5 0
3 years ago
If an electrical current can run though a solution, it is said to contain what?
lesantik [10]

the answer i believe is electrolytes.

8 0
3 years ago
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3g of clean mg ribbon and 8g of clean copper metal was burnt separately in equal volume of air and both mass reacted completely
dsp73

Answer:

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Explanation:

bshsjskskehhshs

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2 years ago
What does the cardiovascular system do<br> for the human body?
SashulF [63]

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Explanation:

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