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Jlenok [28]
3 years ago
6

What type of radioactive decay involves two protons and two neutrons?

Chemistry
1 answer:
Arturiano [62]3 years ago
3 0
Q. What type of radioactive decay involves two protons and two neutrons?


A. Alpha emission
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What are the controlled variables for water of crystallization experiment?
yarga [219]

Given what we know, we can confirm that as with any experiment, the control variable will be the one that through each trial of the experiment, no matter how many times it is performed, stays constant.

<h3>What is a controlled variable?</h3>
  • A variable that remains constant through an experiment.
  • They are used to compare results to the normal condition.
  • They are also used to isolate the changes to one factor at a time and thus know its exact effects on the outcome.
  • This increases the accuracy of the data and the subsequent conclusion.

Therefore, we can confirm that if a variable stays constant through each phase and trial of an experiment, it is considered to be a controlled variable and is useful in order to increase the accuracy of the conclusion.

To learn more about control variables visit:

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Identify what the conjugate acid/base would be. FOR H3PO4?
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Phosphoric acid. Also known as orthophosphoric acid in or phosphoric(V) acid, is a weak acid with the chemical formula H3PO4. The pure compound is a colorless solid.
6 0
2 years ago
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List 1 advantage and 1 disadvantage of a series circuit.<br><br><br><br> Please help!!!
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<h2>The advantage is that, you can add additional power devices usually using batteries.</h2>

<h2>The disadvantage is ... if one component in a series circuit fails, then all the components in the circuit fail because the circuit has been broken. </h2>
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Mass=35g<br> density=5 g/cm3<br> what is the volume?
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