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Dovator [93]
3 years ago
8

Which body changes occur after an individual has become an adult?

Chemistry
2 answers:
sweet-ann [11.9K]3 years ago
7 0
The answer is puberty.
morpeh [17]3 years ago
3 0
Puberty is what is correct I believe
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B: Increasing the volume inside the reaction chamber

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What kind of charge would the hydrogen atoms have compared to the oxygen atom in the water molecule? Note: A water molecule 2 hy
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Since water molecules are polar. Unequal sharing of electrons between the elements that make it. The hydrogen atoms would experience a slight partial positive charge as the electron density is more close to the oxygen atom making it partially negative.
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Which of these is a chemical property of a substance?
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2 years ago
In a light wave, which properties tell you the color of light
algol13

Answer :- In a light wave the property of wave which tells about the color of light is it's Wavelength .

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It's SI unit is meter !

It is scalar quantity !!

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4 0
3 years ago
A gas cylinder of volume 5.00 l contains 1.00 g of ar and 0.500 g of ne. the temperature is 275 k. find the partial pressure of
amid [387]
<span>11.3 kPa The ideal gas law is PV = nRT where P = Pressure V = Volume n = number of moles R = Ideal gas constant (8.3144598 L*kPa/(K*mol) ) T = Absolute temperature We have everything except moles and volume. But we can calculate moles by starting with the atomic weight of argon and neon. Atomic weight argon = 39.948 Atomic weight neon = 20.1797 Moles Ar = 1.00 g / 39.948 g/mol = 0.025032542 mol Moles Ne = 0.500 g / 20.1797 g/mol = 0.024777375 mol Total moles gas particles = 0.025032542 mol + 0.024777375 mol = 0.049809918 mol Now take the ideal gas equation and solve for P, then substitute known values and solve. PV = nRT P = nRT/V P = 0.049809918 mol * 8.3144598 L*kPa/(K*mol) * 275 K/5.00 L P = 113.8892033 L*kPa / 5.00 L P = 22.77784066 kPa Now let's determine the percent of pressure provided by neon by calculating the percentage of neon atoms. Divide the number of moles of neon by the total number of moles. 0.024777375 mol / 0.049809918 mol = 0.497438592 Now multiply by the pressure 0.497438592 * 22.77784066 kPa = 11.33057699 kPa Round the result to 3 significant figures, giving 11.3 kPa</span>
8 0
3 years ago
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