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Shkiper50 [21]
3 years ago
12

Q. Which of the following scenarios describes a process with a negative system entropy change?

Chemistry
2 answers:
Westkost [7]3 years ago
8 0
A. Building a skyscraper.
Anettt [7]3 years ago
6 0
Building a sky scraper
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3 years ago
How many single covalent bonds can halogens form?
Simora [160]
One single covalent bond, hope this helps!
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3 years ago
Consider the atom with the chemical symbol Ru.
Vinil7 [7]

Answer: 97

Explanation:

The element Ru is <u>Ruthenium</u> which has <u>44 protons</u>.

In this case, our atom is an isotope with <u>53 neutrons</u>.

With this information, we can use the mass number formula to find this atom's mass number.

mass number = protons + neutrons

mass number = <u>44 protons</u> + <u>53 neutrons</u>

mass number = <u>97</u>

4 0
2 years ago
How many degrees of unsaturation are lost or gained in the base-induced transformation from mito-ph to its photoactive ring-open
Fudgin [204]

Unsaturation (IHD) 2 hydrogen Needed

IHD = [(2n+2) -H]/2
(H: X=1, N=-1, O= zero)

Unsaturation:
Double bonds = 1
Rings = 1
Triple Bonds = 2

The degrees of unsaturation in a molecule are additive — a molecule with one double bond has one degree of unsaturation, a molecule with two double bonds has two degrees of unsaturation, and so forth.



6 0
3 years ago
Which of the following mixtures is not a colloid? gradpo!nt
Effectus [21]

Milk

Explanation:

because milk is very thick youknow here I go

6 0
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