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photoshop1234 [79]
3 years ago
11

What is an extensive property? *

Chemistry
1 answer:
ipn [44]3 years ago
8 0

Answer:

A property that changes if the amount of substance changes

Explanation:

An extensive property is a property that depends on the amount of matter in a sample.

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This infectious disease requires a special mask for protection
11111nata11111 [884]

Answer:

the black plague

Explanation:

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3 years ago
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What is the mass, in grams, of a pure gold cube that has a volume of 4.30 cm3?
umka21 [38]
The density of a pure gold is 19.32g/cm3
if the volume is 4.30 cm3 then we can calculate the mass using the formula mass=density x volume
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3 years ago
What is a chemical equation for the second ionization for lithium
Orlov [11]
The 2nd ionization energy is removing a 2nd electron from that resulting cation: 
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5 0
3 years ago
How many of the following statements about silver acetate, AgCH3COO, are true? i) More AgCH3CoO(S) will dissolve if the pH of th
shutvik [7]

Answer:

All three statements are true

Explanation:

Solubility equilibrium of silver acetate:

AgCH_{3}COO\rightleftharpoons Ag^{+}+CH_{3}COO^{-}

  • If pH is increased then concentration of H^{+} increases in solution resulting removal of CH_{3}COO^{-} by forming CH_{3}COOH. Hence, according to Le-chatelier principle, equilibrium will shift towards right. So more AgCH_{3}COO will dissolve
  • If AgNO_{3} is added then concentration of Ag^{+} increases in solution resulting shifting of equilibrium towards left in accordance with Le-chatelier principle. So less AgCH_{3}COO will dissolve
  • Insoluble precipitate of AgOH is formed by adding NaOH in solution resulting removal of Ag^{+}. So, more AgCH_{3}COO will dissolve

Hence all three statements are true

8 0
3 years ago
The polar jet stream is an air current that flows across North America. It flows much faster in winter than it does in summer. W
krok68 [10]

Answer:

c

Explanation:

7 0
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