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miskamm [114]
3 years ago
6

At 1.75 atm, a sample of gas takes up 2.88L. If the pressure in the gas is increased to 2.25 atm, what will the new volume be

Chemistry
1 answer:
yarga [219]3 years ago
5 0

Explanation:

P1V1= P2V2

V2= P1V1/P2

= 1.75*2.88/2.25 = 2.24

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What is the kinetic energy in kJ of 1 mole of water molecules (mass=18) if the average velocity is 590 m/s (1300 mph)
zubka84 [21]

Answer:

= 3132.9 Joules

Explanation:

  • Kinetic energy is the energy possessed by a body when in motion.
  • Kinetic energy is calculated by the formula; K.E = 1/2 mV², where m is the mass of the body or object, and V is the velocity.
  • Therefore kinetic energy depends on the mass and the velocity of the body or the object in motion.

In this case;

Kinetic energy = 0.5 × 0.018 kg × 590²

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7 0
3 years ago
What molecules do not attract each other
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Answer:

Non-polar and non-polar molecules do not attract each other.

Explanation:

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6 0
2 years ago
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Which statement describes the location of metalloids on the periodic table? The metalloids are located below metals and above no
Talja [164]
The metalloids are Boron, Silicon, Geranium, etc and are found to the right of the metals and the left of the nonmetals. Since that is not an option, the best choice would be: The metalloids are located below nonmetals and above metals within a group.
4 0
3 years ago
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Lorelai discovers a compound that is 64.8 g C, 13.62 g H, and 21.58 g O. What is the empirical formula of Lorelai's compound
jenyasd209 [6]

The empirical formula of Lorelai's compound is C₄H₁₀O

<h3>Data obtained from the question</h3>
  • C = 64.8 g
  • H = 13.62 g
  • O = 21.58 g
  • Empirical formula =?

<h3>How to determine the empirical formula</h3>

Divide by their molar mass

C = 64.8 / 12 = 5.4

H = 13.62 / 1 = 13.62

O = 21.58 / 16 = 1.35

Divide by the smallest

C = 5.4 / 1.35 = 4

H = 13.62 / 1.35 = 10

O = 1.35 / 1.35 = 1

Thus, the empirical formula of the compound is C₄H₁₀O

Learn more about empirical formula:

brainly.com/question/24297883

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7 0
2 years ago
How do you draw the structure of 5-iodo-2-methoxyhexane?
monitta
The structure is in attachment.
Hexane is alkane (acyclic saturated hydrocarbon, carbon-carbon bonds<span> are </span>single) <span>of six </span>carbon atoms. Methoxy<span> group is the functional group consisting of a methyl group bound to oxygen. Iodo is substituent consists of ionide (element in 17 periodic group).</span>
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3 years ago
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