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Nastasia [14]
2 years ago
6

Illustrate two different objects with before and after scenes. One with high speed but no acceleration and one with low speed an

d high acceleration.
Chemistry
2 answers:
natulia [17]2 years ago
8 0
-6 because you need to substitute
Fittoniya [83]2 years ago
5 0

Answer:Rate of change of Velocity per unit time” & definition of Velocity is “Rate of change of Distance per unit Time”. It means that , when acceleration is 0 then , velocity is constant. In short whatever may be the Velocity, if it remains constant then we say that acceleration is zero.

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Aspirin synthesis involves the addition of an acetyl group to salicylic acid in a condensation reaction with an alcohol. The ace
BARSIC [14]

Answer:

The correct appropriate will be Option 1 (Acid anhydrides are less stable than esters so the equilibrium favors the ester product.)

Explanation:

  • Acid anhydride, instead of just a carboxyl group, is typically favored for esterification. The predominant theory would be that Anhydride acid is somewhat more volatile than acid. This is favored equilibrium changes more toward the right of the whole ester structure.
  • Extremely responsive than carboxylic acid become acid anhydride as well as acyl chloride. Thus, for esterification, individuals were most favored.

The other options offered are not relevant to something like the scenario presented. So, the solution here is just the right one.

3 0
3 years ago
How many H atoms in 12H2O?
Ilya [14]

Answer:

24 atoms of H  or 1.4 x 10²⁵ hydrogen atoms

Explanation:

simple method

1 H₂O has  atoms of hydrogen and 1 atom of oxygen

while 12H₂O will have 24 atoms of hydrogen and 12 atom of oxygen

by Avagadros number

molar mass of water H₂0=18.01528 g/mol

1 mole of H₂0 have 2 moles of Hydrogen  

one mole of water= 6.02⋅10²³water molecules =1.2 x 10²⁴hydrogen atoms

12 mole of H₂O   =    1.2 x 10²⁴ x 12=  1.4 x 10²⁵ hydrogen atoms  

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1.4 x 10²⁵ hydrogen atoms   in 12 moles of H₂O

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3 0
3 years ago
What is 190 K in degrees Celsius? Show your work for full credit.
saveliy_v [14]

Answer:

-83.15

Explanation:

190K − 273.15 = -83.15°C

3 0
2 years ago
Why Aluminium Oxide has higher melting point than Alumunium Chloride? Try to mentioned about ionic compound.
Sidana [21]

Answer:

Aluminium oxide has higher melting point than aluminium chloride because there nay be some impurities in the oxide which affects the intermolecular force of attraction

4 0
3 years ago
Standard 1.11<br> The blue and red parts of the atoms represent the?
andrey2020 [161]
The number of protons in the nucleus for that element
8 0
3 years ago
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