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amid [387]
2 years ago
7

In Part A, you found the number of moles of product (1.80 mol P2O5 ) formed from the given amount of phosphorus and excess oxyge

n. In Part B, you found the number of moles of product (1.40 mol P2O5 ) formed from the given amount of oxygen and excess phosphorus.
Chemistry
1 answer:
Shtirlitz [24]2 years ago
5 0
AAAAAAAHAHAHAHAHAHHAHAHAHA
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Arrange these elements based on their atomic radii. ga, f, s, as
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please have look at Periodic table , you will solve it yourself !

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2 years ago
The concentration of CI ion in a sample of H,0 is 15.0 ppm. What mass of CI ion is present in 240.0 mL of H,0, which has a densi
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Answer:

Mass of solute = 0.0036 g

Explanation:

Given data:

Concentration of Cl⁻ = 15.0 ppm

Volume of water = 240 mL

Mass of Cl⁻ present = ?

Solution:

1 mL = 1 g

240 mL = 240 g

Formula:

ppm = mass of solute / mass of sample ×1,000,000

by putting values,

15.0 ppm = (mass of solute / 240 g) ×1,000,000

Mass of solute = 15.0 ppm ×  240 g / 1,000,000

Mass of solute = 0.0036 g

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2 years ago
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attashe74 [19]
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3 years ago
A motor vehicle has a mass of 1200 kg, and is traveling at a velocity of 70 km/hours to the Southeast. As it travels over a hill
tatuchka [14]

Answer: 35280 J of Gravitational energy

Solution:

Given:

Mass of the vehicle,(m)=1200kg

\text{acceleration due to gravity} (g)=9.8 m/s^2

Maximum height reached,(h)= 3 m

Gravitational energy or gravitational potential energy can be calculated as;

\text{gravitational energy}=mgh

\text{gravitational energy}=(1200 Kg)(9.8 m/s^2)(3 m)=35280 J

Gravitational Energy = 35280 J



5 0
3 years ago
Which BEST describes why fossil fuels are most often used for energy in the United States?
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Answer:

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Explanation:

also transport good luck!

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