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jenyasd209 [6]
2 years ago
12

The graph shows the changes in the phase of ice when it is heated.

Chemistry
1 answer:
Lesechka [4]2 years ago
3 0

Answer:

100 °C, because it is the boiling point of water.

Explanation:

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Which has more atoms, 12.0 mol of C or 12.0 mol of Ca?​
mr_godi [17]

Answer:

they are equal.

Explanation:

1 mol = 6.022 × 10^23 (Avogadro's constant), which is the number of atoms in 1 mol of any element. Doesn't matter what their atomic mass is, although, of course, 1 mol of carbon weighs less than 1 mol of calcium, but its because their mass is different, but the point is, in 1 mol of any element there is 6.03*10^23 atoms

This is like saying, what weighs more, 10 kg of feathers or 10 kg of metal

6 0
2 years ago
How do you tell if elements have similar chemical properties periodic table?
Oksi-84 [34.3K]
Whether or not they are within the same group (vertical columns) within the periodic table, determines similarity of chemical properties.
5 0
2 years ago
Can someone please help????nThis is sooooo hard
Rashid [163]

Answer:

See explanation.

Explanation:

I highly suggest you watch OChem Tutor's videos on IUPAC nomenclature because the actual naming would take a lot of time to teach in text-based format. But here is how to name them:

1) I think there are two seperate pictures for number 1. The molecule on the left is 1-pentene and the one on the right is 4-methyl-1-pentene. If the whole thing is one molecule but there is just a bond missing where the red marker numbers are, that molecule would be 9-methyl-1,6-decadiene.

2) 4-methyl-2-pentene

3) 2,4-octadiene

4) 1,5-nonadiene

5) 2,5-dimethyl-3-hexene

6) 3,6-dimethyl-2,4-heptadiene

7) 2,5,5-trimethyl-2-hexene

6 0
2 years ago
How many total atoms are in CaOH?
Lostsunrise [7]

Answer:

i think it's 3 because there aren't any indexes so that leaves us with one atom of Ca, one atom of O, and one atom of H

5 0
3 years ago
Explain what the name scandium(III) oxide means
Archy [21]
<span>The roman numeral 3 represents the oxidation of the metal, scandium. </span>
3 0
3 years ago
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