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UNO [17]
3 years ago
14

1; The change of matter from a solid state to a gas state

Chemistry
1 answer:
WINSTONCH [101]3 years ago
6 0
<span>1 The change of matter from a solid state to a gas state is called sublimation.

</span><span>2. When a solute is completely dissolved in a solvent, a solution is formed. (A)

3. Base are used in </span><span>Used in ammonia, Alka-Seltzer, and dish soap
</span><span>
4. </span><span>TRUE . Simple devices lower the required input force.

5. FALSE. It's the opposite.</span>
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A catalyst lowers the activation energy for both the forward and the reverse reactions in an equilibrium system, so it has no ef
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Answer:

True.

Explanation:

  • Catalyst increases the rate of the reaction without affecting the equilibrium position.
  • Catalyst increases the rate via lowering the activation energy of the reaction.
  • This can occur via passing the reaction in alternative pathway (changing the mechanism).
  • The activation energy is the difference in potential energies between the reactants and transition state (for the forward reaction) and it is the difference in potential energies between the products and transition state (for the reverse reaction).
  • in the presence of a catalyst, the activation energy is lowered by lowering the energy of the transition state, which is the rate-determining step, catalysts reduce the required energy of activation to allow a reaction to proceed and, in the case of a reversible reaction, reach equilibrium more rapidly.
  • with adding a catalyst, both the forward and reverse reaction rates will speed up equally, which allowing the system to reach equilibrium faster.
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5 0
3 years ago
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Why do scientists study seismographs
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Answer:

to study sub terranian earth movements

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8H earth science

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3 years ago
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How many grams of CaCl 2 are in .48 moles ?
Llana [10]

Answer:

We assume you are converting between moles CaCl2 and gram. You can view more details on each measurement unit: molecular weight of CaCl2 or grams This compound is also known as Calcium Chloride. The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles CaCl2, or 110.984 grams.

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Which of the following is the correct equation for photosynthesis​
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Answer:

6CO2 + 6H20 + ENERGY = C6H12O6 + 6O2

Explanation:

Carbon dioxide + water + energy from light produces glucose and oxygen

4 0
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Which statement below is not true?
Verizon [17]
Hi I believe the answer is B
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