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iVinArrow [24]
3 years ago
3

Suzanne created a circuit with a battery, some copper wire, and a light bulb. How might adding a piece of gold wire to the circu

it affect the flow of electricity through the circuit? A. Gold wire will not allow the electricity to flow down the wire. B. Gold wire will allow the electricity to flow down the wire. C. Gold wire will act as a switch to turn on the circuit. D. Gold wire will act as a switch to turn off the circuit.
Chemistry
2 answers:
algol133 years ago
8 0
Because gold is a metal and a decent conductor, B is correct. It could easily bring the energy from place to place.
Citrus2011 [14]3 years ago
5 0
I'm in an engineering middle school so we learned this a long time ago. The answer is B. Because gold is a conductor of electricity (though it is not the strongest), it would allow electricity to flow through the circuit.
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How many grams of NaF form when .508 mol of HF react with excess Na2SiO3?
jonny [76]
2HF + Na2SiO3 ---->  2NaF +  H2SiO3   is the balanced equation.

2 moles of HF  form 2 moles of NaF

therefore 0.508 Mol  HF forms 0.508 mol of NaF

In grams this is 0.508( rel atomic mass of Na + RAM of F)
                        = 0.508 (22.99+19)
                        =  21.33 grams 

8 0
4 years ago
Match each state of matter with the statement that best describes it.
Stells [14]

Answer:

State of matter is defined as a form in which matter can exist. There are four states of matter known till date. They are as follows:

Solid: Matter is said to be in solid state if it has definite shape and volume. The components of matter are closely packed and have fixed positions within the matter.

Liquid: In liquid state, matter has fixed volume but shape is not fixed, it takes the shape of container in which it is placed. The particles of liquid are close but can move freely or do not have fixed positions.

Gas: Matter in gaseous state has variable volume and shape. The particles of gas are very far from each other thus, they are in constant motion without any fixed position..

Plasma: This state of matter has variable shape and volume. It has neutral atoms, the number of ions and electrons are significant and can move freely in the matter. In order to make plasma, energy is required to strip electron from atom.

According to above definitions, the state of matter is matched with the given statements as follows:

Plasma-Particles are so hot that electrons are stripped from atoms.

Gas-It expands to fill the volume of the container.

Liquid-Particles move past each other freely but do not go fat apart.

Solid-It retains its shape regardless of the shape of the container.

Explanation:

I choose this because It understands how each plasma work.

7 0
3 years ago
Read 2 more answers
Commercial agriculture can often lead to water-quality problems. In one to two sentences, explain how two of those problems occu
anygoal [31]

Commercial agriculture can often lead to water-quality problems in the following ways:

  • The washing of fertilizers and pesticides into water bodies from farms.

<h3>What is water quality?</h3>

Water quality refers to the state of a water body that encompasses it's physical, chemical and biological characteristics.

The water quality of a water body is crucial to its suitability for domestic or drinking purpose.

Commercial agriculture greatly affects water quality in the following ways:

  • The washing of fertilizers and pesticides into water bodies from farms.

Learn more about water quality at: brainly.com/question/20848502

#SPJ1

4 0
2 years ago
Batteries involve the flow of electricity from one metal to another. What happens to these metals to cause the batteries to, eve
wel
Batteries <span>stop working due to the chemical compound between two poles running out. Also part of metal used for negative pole solved every time battery was used.</span>
4 0
3 years ago
13.<br> Which contains the same number of molecules as 22.4 liters of N2 at STP?
Oksanka [162]

Answer:

Delete my comment if your gay

Explanation:

7 0
3 years ago
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