Answer:
Increase blood flow to the hands and feet
Explanation:
Having 1 parent which is known as asexual reproduction
Answers:
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1) [D]: " CO₂ " .
<u>Note:</u><u> </u> This is the only answer choice given that is composed of: "at least two different elements" .
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2) [D]: "carbon and hydrogen" {"C" and "H" .} .
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Formula units are another way of expressing "molecules". One mole is equivalent to
.
Use dimensional analysis to solve this problem.
2.87 moles ![* \frac{6.022 *10^{23} molecules}{mole}](https://tex.z-dn.net/?f=%2A%20%5Cfrac%7B6.022%20%2A10%5E%7B23%7D%20molecules%7D%7Bmole%7D)
Then, cross off the moles in the given number and the denominator, and your remaining unit is molecules of sodium carbonate.
Then, multiply and divide accordingly to the fraction.
2.87 * 6.022*10^23 = 1.72 * 10^24. Notice how the given problem has only 3 sig figs, so the answer should also have 3 sig figs
Your final answer would be 1.72
formula units of sodium carbonate.
Electronic Configuration of Cu⁴⁺ is written using these two steps;
Step I:
Write the Electronic Configuration of Copper (Cu).
As Atomic Number of Cu = 29
So,
1s², 2s², 2p⁶, 3s², 3p⁶, 3d¹⁰, 4s¹
Rearranging it in order of increasing orbital energy,
1s², 2s², 2p⁶, 3s², 3p⁶, 4s¹, 3d¹⁰
Or,
Cu = [Ar] 4s¹, 3d¹⁰
Step II:
Now, the Cu⁴⁺ ion has lost 4 electrons, So one electron from 4s and 3 electrons from 3d orbital are removed, The resulting electronic configuration becomes,
Cu⁴⁺ = [Ar] 3d⁷