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3 years ago

What two things do circuits have to have for them to work

Chemistry

1 answer:

Kisachek [45]3 years ago

4 0

Two things that must be in circuits to make them work are a conductor and a voltage source.

Explanation:

There are tow main parts that helps all electric circuits to work. They are a conductor and a voltage source. Some of the other parts of circuits includes,switches and bulbs. The working of an electrical circuit is same as that of the human circulatory system. The blood is taken to all parts of human body with the help of the blood vessels in a circulatory system.

Same thing happens with an electrical circuit. This is responsible in taking current to all parts of an electrical system. In an electrical circuit electricity will flow from the voltage of high to low. A path should be there for conducting the electric power.

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The Lewis dot notation for two atoms is shown.

Iteru [2.4K]

Answer:

Mg donates two electrons to O

Explanation:

Lewis dot notation uses dots and crosses to represent valence electrons on atoms.

Magnesium is a metal and would donate or lose electrons during bonding.

Oxygen is a non metal and would gain electrons during bonding.

The correct option is;

Mg donates two electrons to O

5 0

3 years ago

Please someone explain this too me

Brums [2.3K]

I believe it would be 7.731. x 10^5? That is if they want you to evaluate.

3 0

3 years ago

At which temperature do the molecules of an ideal gas have 3 times the kinetic energy they have at 32of?

algol [13]

Answer:

820 K

Explanation:

As per Boltzman equation, kinetic energy (KE) is in direct relation to the temperature, measured in absolute scale Kelvin.

KE α T.

Then, the temperature at which the molecules of an ideal gas have 3 times the kinetic energy they have at any given temperature will be 3 times such temperature.

So, you must just convert the given temperature, 32°F, to kelvin scale.

You can do that in two stages.

First, convert 32°F to °C. Since, 32°F is the freezing temperature of water, you may remember that is 0°C. You can also use the conversion formula: T (°C) = [T (°F) - 32] / 1.80

Second, convert 0°C to kelvin:

T (K) = T(°C) + 273.15 K= 273.15 K

Then, 3 times gives you: 3 × 273.15 K = 819.45 K

Since, 32°F has two significant figures, you must report your answer with the same number of significan figures. That is 820 K.

7 0

3 years ago

Write the overall reaction for cellular respiration

goblinko [34]

C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O

7 0

3 years ago

Saturated hydrocarbon molecules may be bonded in which type of structure?

poizon [28]

all of the above can be saturated molecules

3 0

4 years ago

Read 2 more answers