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Cloud [144]
3 years ago
7

Identify four properties of a substance that will never change

Chemistry
2 answers:
Aleonysh [2.5K]3 years ago
7 0
Density
Colour
Conductivity
Malleability
and Luster
worty [1.4K]3 years ago
4 0

Answer:

Density, boiling point, melting point, condensation point.

Explanation:

The characteristic properties of a chemical substance are defined as the <u>fixed and unique properties</u> that are used for the identification and the classification of the given substance.

They can be physical as well as chemical properties such as <u>density, solubility, freezing point, boiling point, melting point, condensation point, and viscosity.</u>

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What contribution did Robert Boyle make towards the field of chemistry
GREYUIT [131]

Answer:

Boyle's law, which describes the inversely proportional relationship between the absolute pressure and volume of a gas, if the temperature is kept constant within a closed system. Among his works, The Sceptical Chymist is seen as a cornerstone book in the field of chemistry.

8 0
3 years ago
Consider the substitution reaction that rakes place when (R)-3-bromo 3-methylhexane is treated with methanol. Which of the follo
Otrada [13]

Answer:

The reaction would take place with racemization.

Explanation:

The compound (R)-3-bromo 3-methylhexane contains has the leaving group attached to a tertiary carbon atom. When the leaving group is attached to a tertiary carbon atom, the compound undergoes nucleophilic substitution via SN1 mechanism. This mechanism involves the formation of a planar carbocation intermediate. The nucleophile may attack this intermediate from either faces, leading to racemization of the product.

5 0
3 years ago
What determines the ending units of a stoichiometry problem?
kicyunya [14]

Answer:

1.Write the balanced chemical equation.

2.Convert the units of the given substance (A) to moles.

3.Use the mole ratio to calculate the moles of wanted substance (B).

4.Convert moles of the wanted substance to the desired units.

Explanation:

4 0
3 years ago
Convert 2.55 moles of water to grams.
Vlada [557]

Explanation:

No of mass = no of moles × molar mass

=2.55 × 18 g

= 45.9 g

6 0
3 years ago
Can someone please please help me with the first two !!!! I really need to turn this in !!!!!
kati45 [8]

Answer:

Be Electron configuration: 1s2 2s2

Be Orbital Diagram: \//\    \//\ (it would be little arrows going up and down to show the spins)

F Electron Configuration: 1s2 2s2 2p5

F Orbital Diagram: \//\    \//\    \//\ \//\ \/

7 0
3 years ago
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