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enot [183]
4 years ago
8

The circuit element whose purpose is to convert electrical energy into another form of energy is the _____. battery resistor fus

e ammeter
Chemistry
2 answers:
ludmilkaskok [199]4 years ago
8 0

Answer : The correct option is, Resistor.

Explanation :

Battery : It is a type of device that contains one or more cells in which the chemical energy converted into electrical energy. The battery is used as a source of power.

Resistor : It is a device which resist's the flow of current in an electric circuit. When an electric current pass through a resistor it gets heated up due to the conversion of electrical energy into heat energy.

Fuse : It is a safety device which contains a strip of wire that breaks an electric current when the current increases to a safe level.

Ammeter : It is an electrical device in which measures the electric current in amperes.

Hence, the correct option is, Resistor.

svetoff [14.1K]4 years ago
6 0
The answer is Battery...
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Answer:

All the carbon will combust with atmospheric oxygen to form carbon dioxide. This means that the charcoal present will become consumed to form colorless carbon dioxide gas.

Explanation:

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3 years ago
According to the authors, the most effective means of developing _______________ are instrumental chemistry, microscopy, photoma
blsea [12.9K]

Answer:

Associative Evidence

Explanation:

According to the authors, the most effective means of developing associative evidence are instrumental chemistry, microscopy, photomacrography, other optical methods, and morphology. It is used to provide the link between and evidence and individual involved in a crime.

6 0
3 years ago
Uranium-238 decays into thorium-234.how do scientists explain why this happens
Phantasy [73]
When an atom has more neutrons in the nucleus than protons, it is said to be unstable. The benchmark element for this is Iron. Iron is the most stable in nature. Logically, elements lighter than Iron undergo nuclear fusion (combining), while elements heavier than ion undergo nuclear fission (breaking). These elements spontaneously decay by giving off sub-atomic particles. 

U-238 means that the Uranium isotope contains 238 neutrons and protons. We know that the atomic number of Uranium is equal to 92. Therefore, the number of neutrons is: 238 - 92 = 146 neutrons. So, U-238 contains 92 protons and 146 neutrons. Similarly, Thorium-234 having an atomic number of 90 will have an amount of neutrons equal to: 234 - 90 = 144 neutrons. Let's compare the difference between U-238 and Th-234:

Protons: 92 → 90
Neutrons: 146 → 144

Therefore, for U-238 to transform to Th-234, it must give off 2 protons and 2 neutrons. This is a characteristic of alpha decay or alpha radiation. It gives off an alpha particle during nuclear fission. An alpha particle is simply a Helium atom, which contains 2 protons and 2 neutrons.


4 0
3 years ago
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Phosphorus and oxygen can covalently bond to form a polyatomic ion. Write the formula of a polyatomic ion that phosphorus and ox
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For example phosphorus and oxygen can covalently bond to form a polyatomic ions, PO4³⁻ and PO3³⁻.

8 0
4 years ago
A solution made by dissolving 14.2g of sucrose in 100g water exhibits a freezing point depression of 0.77 degrees. Calculate the
Nataly [62]

For the purpose we have to know following equation for freezing point depression:


ΔTf=Kf*b


and that Kf of water is 1.86°C/m.


From the formula we can determine molality (b):


b=Δtf/Kf=0.77/1.86= 0.414 mole/kg


Now when we know molality, we can calculate mass of sucrose in solution:


b=n/m(H20)   =>  n(sucrose)=b*m(H20) = 0.414 mole/kg *0.1 kg = 0.0414 mole


Finally, we can determine the molar mass of sucrose:


M=m/n=14.2/0.0414= 343g/mole

5 0
4 years ago
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