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ivanzaharov [21]
3 years ago
11

NEED ANSWER ASAP ! WILL BRAINLIST !

Chemistry
1 answer:
nydimaria [60]3 years ago
6 0
It’s C hope it helps :) : new processes
Will be developed to locate the trees more efficiently
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Express 5.241 in scientific notation.
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5.241 in scientific notation
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Meera added blue copper sulphate crystals to some water in a beaker.
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Answer:

The solid crystals disappeared

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When a soluble solid solute is added to water, the solid solute disappears after a little while. The disappearance of this solute indicates that the solute has been dissolved in water.

In this case, blue copper sulphate crystals are added to water, the blue crystals disappear leaving only a blue solution. The disappearance of these blue copper sulphate crystals indicates that the substance has dissolved in water.

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The process that occurs at the anode in an electrochemical cell is the loss of electrons. The answer is number 2. Oxidation occurs as electrons are lost at the anode at one of the electrodes in both an electrolytic cell and a voltaic cell.

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A chemical reaction has a ΔH of -2764 Kj. This indicates that the chemical reaction that took place was
ZanzabumX [31]

Exothermic

Explanation:

A chemical reaction that has ΔH of -2764Kj indicates that the reaction that took place was an exothermic reaction.

  • The enthalpy changes accompanying a reaction causes heat changes.
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learn more:

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