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loris [4]
4 years ago
9

Write equations showing how each of the following weak bases ionizes water to form OH-.a.) CO3^2-. Express your answer as a chem

ical equation.b.) C6H5NH2. Express your answer as a chemical equation.c.) C2H5NH2. Express your answer as a chemical equation.
Chemistry
1 answer:
natka813 [3]4 years ago
7 0

Answer: the answer is B

Explanation: i go to connexus i had this question

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A gas is expanded from an initial volume of 1 L at 1 atm at 7 °C to a final volume of 5 L.
WITCHER [35]

Answer:

0.40 atm

Explanation:

To answer this problem we can use the <em>combined gas law</em>:

  • T₂P₁V₁ = T₁P₂V₂

In this case:

  • T₂ = 287 °C ⇒ 287 + 273.16 = 560.16 K
  • P₁ = 1 atm
  • V₁ = 1 L
  • T₁ = 7 °C ⇒ 7 + 273.16 = 280.16 K
  • P₂ = ?
  • V₂ = 5 L

We <u>input the data</u>:

  • 560.16 K * 1 atm * 1 L = 280.16 K * P₂ * 5 L

And <u>solve for P₂</u>:

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3 years ago
Do all living things have cells?
avanturin [10]

Answer:

Yes

Explanation:

All living things do have cells

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4 years ago
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sammy [17]

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If 45.0 mL of a 4.00 M sodium sulfate (Na2SO4) solution is used for a reaction, how many moles of solute were present in the sol
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Wave A carries more energy than wave B. Wave B must have a smaller than wave A​
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Those waves carry an amount of energy that can be measured. The energy in a wave is determined by two variables. One is amplitude, which is the distance from the rest position of a wave to the top or bottom. Large amplitude waves contain more energy. Wave A has a greater intensity and transfers more energy. Wave B has a greater intensity and transfers more energy. Waves that require matter to transfer energy are mechanical waves. The matter through which a mechanical wave travels is called a medium. A mechanical wave travels as energy is transferred from particle to particle in the medium. There are two kinds of mechanical waves. The greater the waves amplitude the greater the waves energy. ... A wavelength will travel only as long as it has energy to carry. Gamma rays
Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies. Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation. Electromagnetic waves cause oscillations in electrical and magnetic fields. It is important to remember that all waves transfer energy but they do not transfer matter . For example, if a ball is placed on the surface of a pond when ripples move across it, the ball will move up and down but not outwards with the wave.
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