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Naddika [18.5K]
3 years ago
10

Can someone please help

Chemistry
2 answers:
coldgirl [10]3 years ago
7 0

1. A metal is shiny

2. yes

that's all

Ratling [72]3 years ago
6 0

Answer:

1. c) shiny

2) True. Reactivity is a chemical property.

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Question 2
SVETLANKA909090 [29]

D- Physical

Explanation:

A physical property is anything that has characteristics associated with a change in it's chemical composition

3 0
3 years ago
For a particular isomer of C8H18, the combustion reaction produces 5104.1 kJ of heat per mole of C8H18(g) consumed, under standa
Vladimir79 [104]

Answer:

Explanation:

Hello,

Considering the chemical reaction, the enthalpy of reaction is given by:

ΔH°rxn=ΔfHCO2+ΔfHH2O-ΔfHC8H18

(ΔfHO2=0)

Taking into account that the reaction produces energy, ΔH°rxn is negative. No, solving for ΔfHC8H18:

ΔfHC8H18=-ΔH°rxn+8*ΔfHCO2+9*ΔfHH2O

ΔfHC8H18=-(-5104.1 kJ/mol)+9*(-292.74kJ/mol)+8*(-393.5 kJ/mol)

ΔfHC8H18=-678.56 kJ/mol

Best regards.

3 0
3 years ago
How many moles of KClO3 are produced from 25 moles of KCL
e-lub [12.9K]

Answer: 25

Explanation:

8 0
2 years ago
**MEDAL AND FAN** what structural units make up metallic solids?
Margarita [4]
C)

Metallic solids consist of metal ions which are surrounded by delocalized electrons.
8 0
3 years ago
Draw the product formed when the compound shown below undergoes a reaction with hbr in ch2cl2. interactive 3d display mode
zysi [14]

Answer : The complete question is attached in the answer.


Explanation : In the given question an alkene is treated with alkylhalide in presence of methylene dichloride it gives a corresponding alkylbromide species.


The mechanism follows markonikov's addition rule, and the major product thus formed is bromine which is attached to least substituted carbon atom ad minor is bromine attached to highly substituted carbon atom.


4 0
3 years ago
Read 2 more answers
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