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vladimir1956 [14]
3 years ago
10

I need helppppp

Chemistry
1 answer:
PSYCHO15rus [73]3 years ago
6 0
Where is the table that you want us to fill out?
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Sydney, Australia, Is in the Southern Hemisphere. Which choice describes the conditions in Sydney on or around December 21
olganol [36]

Answer:warm

Explanation: because it is in the southern hemisphere so in the winter while the northern hemisphere is in a cold winter the southern hemisphere is in a warm winter due to it being in the southern hemisphere where temperatures are really warm in the southern hemisphere.

5 0
3 years ago
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Give the electronic configuration of carbon atom.​
zimovet [89]

Answer:

1s2 2s2 2p2

Explanation:

it has 6 electrons in two energy levels so the sub levels are 1s, 2s and 2p

4 0
3 years ago
If a pharmacist adds 10 ml of purified water to 30 ml of a solution having a specific gravity of 1.30, calculate the specific gr
xxMikexx [17]

The specific gravity of a sample is the ratio of the density of the sample with respect to one standard sample. The standard sample used in specific gravity calculation is water whose density is 1 g/mL. The solution having specific gravity 1.30 is the density of the sample that is 1.30 g/mL. Thus the weight of the 30 mL sample is (30×1.30) = 39 g.

Now the mass of the 10 mL of water is 10 g as density of water is 10 g/mL. Thus after addition the total mass of the solution is (39 + 10) = 49g and the volume is (30 + 10) = 40 mL. Thus the density of the mixture will be \frac{49}{40}=1.225 g/mL. Thus the specific gravity of the mixed sample will be 1.225 g/mL.

6 0
3 years ago
Which Ion has the same electron configuration as an Ar atom
Troyanec [42]
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Cl- would give you 18 electrons
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Li+ would give you 2 electrons
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Cl- would be the correct answer
7 0
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How is the life cycle of a star similar to that of a human?
QveST [7]
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Brainliest?
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