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Vladimir79 [104]
3 years ago
8

Nivel de energia maximo de 20Ca

Chemistry
1 answer:
Volgvan3 years ago
8 0
Por favor provide más información
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Pls help
Andrej [43]

Answer:

• None of these

Explanation:

your hand looks too old.

#Rastaman

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2 years ago
Acidis are,which means that they "eat away"at other materials
alexandr1967 [171]
Acids are corrosive, which means they 'eat away' at other materials.
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3 years ago
Show work please! :)
SIZIF [17.4K]
What’s the question!??
6 0
3 years ago
A compound A has prominent infrared absorptions at 1050, 1786, and 1852 cm–1 and shows a single absorption in the proton NMR spe
olya-2409 [2.1K]

Answer:

Compound A is succinic anhydride and B is methyl succinate (the monomethyl ester).

Structural Diagram is attached.

Explanation:

A.

Succinic anhydride appears as colorless needles or white crystalline solid. ... Succinic anhydride, also called dihydro-2, 5-furandione, is an organic compound with the molecular formula C4H4O3. It is the acid anhydride of succinic acid.

B.

Monomethyl succinate is a dicarboxylic acid monoester that is succinic acid in which one of the carboxy groups has been converted to its methyl ester. It is a dicarboxylic acid monoester and a hemisuccinate. ... They have the general structure RC(=O)OR', where R=fatty aliphatic tail or organyl group and R'=methyl group.

4 0
3 years ago
1 ) your favorite recipe for preparing 100 brownies requires the following : 6 eggs , 5 cups flour and 2 sticks of butter . how
erastova [34]
<em />If 100 brownies require 6 eggs, 5 cups of flour, and 2 sticks of butter. Then, 50 brownies should require half of those required to make 100 brownies. Use ratio and proportion to determine the number of eggs needed:

100/50 = 6/x
x = 3<span />
3 0
3 years ago
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