2 years ago

A missile is flying at a speed of 125 m/s. If the missile has a mass of 125 kg, what’s its kinetic energy?

Chemistry

2 answers:

LenKa [72]2 years ago

5 0

976,563 is the answer I got to your question

Fantom [35]2 years ago

5 0

Answer:

976 563

Explanation:

Hope you get it right thou

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Explanation:

Power obtained by harnessing the energy of the suns rays

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3 years ago

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balu736 [363]

Answer:

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Explanation:

N= is the symbol

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3 years ago

How many liters of a 0.30M solution are needed to give 2.7 moles of solute? Your answer:

OverLord2011 [107]

You HAVE TO know that molarity (M) tells you the number of moles of a solute per Liters of solution.
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3 years ago

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Calculate the energy (in kJ) required to heat 10.1 g of liquid water from 55 oC to 100 oC and change it to steam at 100 oC. The

Maksim231197 [3]

Answer:

$\large\boxed{\large\boxed{24.6kJ}}$

Explanation:

1. Energy to heat the liquid water from 55ºC to 100ºC

$Q=m\times C\times \Delta T$

m = 10.1g

C = 4.18g/JºC

ΔT = 100ºC - 55ºC = 45ºC

$Q=10.1g\times 4.18J/g\ºC\times 45\ºC=1,899.81J$

2. Energy to change the liquid to steam at 100ºC

$L=\lambda \times n$

λ = 40.6kJ/mol

n = 10.1g / 18.015g/mol = 0.5606mol

$L=40.6kJ/mol\times 0.5604mol=22.76214kJ=22,762.14J$

3. Total energy

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3 years ago

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Snowcat [4.5K]

Chemical weathering

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3 years ago

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