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Gemiola [76]
3 years ago
14

Name two types of silk

Chemistry
1 answer:
arsen [322]3 years ago
5 0

Answer:

Tussar silk

Charmeuse

Explanation:

Hope this helps! :)

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A solid is the only form of matter true or false
SVEN [57.7K]
False, there are five forms of matter; solid, liquid, glass, plasma, and <span>Bose-Einstein condensates.
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7 0
3 years ago
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In this part of the periodic table, what type of elements are in the group that includes elements c, o, and s?
wolverine [178]
Metalsnonmetalssemimetals
5 0
3 years ago
Does anybody know this also explain
Tresset [83]

Answer:

brainliest answer

I believe this is correct

Explanation:

CaBr2+Na2Co3》CaCo3+2NaBr

The double-replacement reaction generally takes the form of AB + CD → AD + CB where A and C are positively-charged cations, while B and D are negatively-charged anions.

8 0
3 years ago
When one element replaces another element the reaction is known as a _ replacement reaction ​
fiasKO [112]

Answer:

Single replacement reaction

Explanation:

A single replacement reaction, sometimes called a single displacement reaction, is a reaction in which one element is substituted for another element in a compound.

6 0
3 years ago
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What are the concentrations of Cu2+, NH3, and Cu(NH3)42+ at equilibrium when 18.8 g of Cu(NO3)2 is added to 1.0 L of a 0.800 M s
Svetllana [295]

Answer:

Explanation:

Cu(NO₃)₂ + 4NH₃ = Cu(NH₃)₄²⁺  + 2 NO₃⁻

187.5 gm      4M           1 M

187.5 gm reacts with 4 M ammonia

18.8 g     reacts with  .4 M ammonia

ammonia remaining left after reaction

= .8 M - .4 M = .4 M .

187.5 gm reacts with 4 M ammonia   to form 1 M Cu(NH₃)₄²⁺

18.8 g reacts with .4 M ammonia  to form 0.1 M Cu(NH₃)₄²⁺  

At equilibrium , the concentration of Cu²⁺ will be zero .

concentration of ammonia will be .4 M

concentration of  Cu(NH₃)₄²⁺ formed will be 0.1 M

3 0
4 years ago
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