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katrin [286]
2 years ago
11

ANDRES MEJIA-C...

Chemistry
1 answer:
BigorU [14]2 years ago
3 0

Explanation:

Gases: more space therefore meaning that particles in the gas have the highest Kinetic energy therefore moving faster all around.

Liquid: they have more kinetic energy than liquid,but they have some space for movement so they collide each other quicker due to lack of space.

solids: They have least kinetic energy as they have no space at all meaning particles can move around and only just vibrate against each other.

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How many kilometers are there in 4.5 x 10^3 meters ?
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1 meter = .001 kilometers so 4.5 x 10^3 = 4500 so .001 x 4500 = 4.5 kilo
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What is needed to burn the candle (reactant)?
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Answer:

wax, candlewick, and oxygen

Explanation:

The burning of the candle is both a physical as well as a chemical change. The reactants are the substances or the raw materials that are required for a reaction to the process. In the process of burning a candle, the reactants are the fuel which includes wax and wick, and oxygen which is found in the air. The products found at the end of the reaction are carbon dioxide and water vapor.

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The lightest weight element that is not a gas
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A cylinder with a moveable piston contains 92g of Nitrogen. The external pressure is constant at 1.00 atm. The initial temperatu
Jobisdone [24]

Answer:

Work done in this process = 4053 J

Explanation:

Mass of the gas = 0.092 kg

Pressure is constant = 1 atm = 101325 pa

Initial temperature T_{1} = 200 K

Final temperature T_{2} = 200 - 85 = 115 K

Gas constant for nitrogen = 297 \frac{J}{kg k}

When pressure of a gas is constant, volume of the gas is directly proportional to its temperature.

⇒ V ∝ T

⇒ \frac{V_{2} }{V_{1} } = \frac{T_{2} }{T_{1} } ------------ ( 1 )

From ideal gas equation P_{1} V_{1} = m R T_{1} ------ (2)

⇒ 101325 × V_{1} = 0.092 × 297 × 200

⇒ V_{1} = 0.054 m^{3}

This is the volume at initial condition.

From equation 1

⇒ \frac{V_{2} }{0.054} = \frac{200}{115}

⇒ V_{2} = 0.094 m^{3}

This is the volume at final condition.

Thus the work done is given by W = P [V_{2} - V_{1} ]

⇒ W = 101325 × [ 0.094 - 0.054]

⇒ W = 4053 J

This is the work done in that process.

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3 years ago
An increase in blood co2 levels leads to __________.
tatiyna

Answer:

Respiratory Acidosis

Explanation:

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