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JulsSmile [24]
3 years ago
7

Which statement best describes an igneous intrusion?

Chemistry
1 answer:
yarga [219]3 years ago
4 0
C. Magma is injected into surrounding rock forming an igneous intrusive
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12. Draw an energy curve for a chemical reaction that begins at 30 kj and has an activation energy of
Rufina [12.5K]

Answer:

  • <em>Since the activation energy is 50kJ , we need to supply it  50kJ from 30kJ to make it 80kJ .</em>
  • Diagram attached in the file .

8 0
4 years ago
Use the drop-down menus to select the correct name for each of the organic compounds.
Molodets [167]

Answer:

Here's what I get  

Explanation:

CH₃CH₂CH₂CH₂CH₂CH₃ —  hexane

CH₂=CHCH₂CH₂CH₂CH₃ —  hex-1-ene is the preferred IUPAC name (PIN). 1-Hexene is accepted

CH₃C≡CCH₃ —  but-2-yne (PIN); 2-butyne is accepted

CH₃CH(CH₃)CH₂CH₂CH₃ — 2-methylpentane

CH₃CH₂CHCICH₂CH₃ — 3-chloropentane

5 0
4 years ago
Read 2 more answers
Salinity is a measure of which of the following in water?
Lemur [1.5K]
The answer is dissolved salts
8 0
3 years ago
Read 2 more answers
The following equation represents the type of reaction called
Mazyrski [523]

Answer:

Reduction

Explanation:

Reduction:

Reduction involve the gain of electron and oxidation number is decreased.

Mn⁺⁷ +3e⁻    →    Mn⁴⁺

Mn gets three electrons , its oxidation state reduced from +7 to +4 so Mn gets reduced.

Examples:

Consider the following reactions.

4KI + 2CuCl₂  →   2CuI  + I₂  + 4KCl

the oxidation state of copper is changed from +2 to +1 so copper get reduced.

CO + H₂O   →  CO₂ + H₂

the oxidation state of carbon is +2 on reactant  side and on product side it becomes  +4 so carbon get oxidized.

H₂S + 2NaOH → Na₂S + 2H₂O

The oxidation sate of sulfur is -2 on reactant side and in product side it is also -2 so it neither oxidized nor reduced.

6 0
3 years ago
How many grams are in 6.53 moles of Pb
dezoksy [38]
Mr: 207.2
m=n×Mr= 6.53×207.2= 1353.02g
7 0
3 years ago
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