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WITCHER [35]
3 years ago
5

Contains nucleic acid has a protein coat derives its energy from a host cell

Chemistry
1 answer:
AlekseyPX3 years ago
4 0
A.
These are characteristics of viruses.
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The hammer, anvil, and stirrup are all bones found in the ear.
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How many protons are present in one copper(ii) ion?
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Copper has 29 protons, when dealing with Cu^2+ all that means is it lost two electrons. so now the element has 29 protons and 27 electrons. Protons are positive and electrons are negative and neutrons are neutral. So say you had an element X^2- then you have gained two more electrons so the element has an overall negative charge. hope that helps


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3 years ago
calculate the volume occupied by 10g of propane gas, under normal conditions of temperature and pressure
andriy [413]

Answer:

5.5 L

Explanation:

First we <u>convert 10 g of propane gas</u> (C₃H₈) to moles, using its <em>molar mass</em>:

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Then we <u>use the PV=nRT formula</u>, where:

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1 atm * V = 0.23 mol * 0.082 atm·L·mol⁻¹·K⁻¹ * 293 K

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Cation and an anion the differences in charge make them attracted to each other
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