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White raven [17]
2 years ago
8

Answering the easy questions first is

Chemistry
1 answer:
Setler79 [48]2 years ago
8 0

Answer:

ddfdsfd

Explanation:

sdgh   hjrtj

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1) If calcium were to combine with the compound barium nitrate, which member of the barium nitrate would calcium replace?
snow_tiger [21]

Answer:

Calcium would displace barium.

Explanation:

Ba(NO₃)₂ + Ca -->  Ca(NO₃)₂ + Ba

There are two types of compounds: molecular/covalent and ionic.

Molecular/covalent compounds are non-metal + non-metal.

Ionic compounds are metal + non-metal.

Looking at the periodic table, barium is a metal. Calcium is also a metal.

Checking a polyatomic ions chart would tell you NO₃⁻ is a non-metal because it has a negative charge.

Since there is no metal + metal compound, the calcium metal would displace barium. The compound remains ionic.

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3 years ago
We can change a gas to liquid by_________ the temperature and_________
Tpy6a [65]
Decreasing, Removing
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stellarik [79]

Answer:

look up chemical board it will help you

Explanation:

6 0
3 years ago
If the initial volume is 55ml and the final volume after some rocks of sandstone are added is 65ml what is the volume of the chi
AfilCa [17]

Answer:

Volume = 10ml

Density = 1/5 g/ml or 0.20g/ml

Explanation:

The rocks are 10ml since the initial volume went up by 10.

Since density = mass/volume, you divide 2 by 10.

D = 2/10

D = 1/5 g/ml or 0.20g/ml

(Unit is g/ml aka grams/millileter)

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Anyone have a good tip, or app to help me with nomenclature???
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Nomenclature of what?
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