Answer:
carbon dioxide CO₂
Explanation:
Each gas has a characteristic boiling point. You can separate a random sample of gases by gradually cooling the sample until each component gas liquifies. Some compounds, such as CO₂ never liquify. Instead, they turn directly into solids.
Answer
The second part of the theory says all atoms of a given element are identical in mass and properties. The third part says compounds are combinations of two or more different types of atoms. The fourth part of the theory states that a chemical reaction is a rearrangement of atoms.
Explanation:
Most renewable<span> energy comes either directly or indirectly from the </span>sun<span>. </span>Sunlight<span>, or solar energy, can be used directly for heating and lighting homes and other buildings, for generating electricity, and for hot water heating, solar cooling, and a variety of commercial and industrial uses.
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Answer:
In explanation
Explanation:
a. Selenium, atomic number 34
Argon is 18, adding the other electrons gives 34.
Other elements include: oxygen O , Sulphur S , Tellurium Te and Polonium Po
b. Hafnium, element 72
Xe is 54, adding the other electrons makes the total 72.
Other elements; Titanium Ti, Zirconium Zr, Rutherfordium Rf
c. Manganese, element 25
Other group members are Technetium Tc , Rhenium Re and Bohrium Bo
Hey There!
The device used to determine if there is energy in a wire is called a clamp meter, this device would detect if there are any presents currents in the wire. In order to use this device, you would simply have to attach it on the wire you are testing for.
Another device used to detect energy from wires is called a a non-contact voltage detector. While this device does not operate on all types of wires, it is solely created for AC circuits. Though, it is not preferred to manage the wire as this device sometimes proves to not be very reliable.
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