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OLEGan [10]
3 years ago
5

In ___, each of the bulbs would be Set up in paths independent and complete.

Chemistry
1 answer:
Luda [366]3 years ago
8 0

Answer:

Parallel Circuits

Explanation:

An electric circuit refers to a continuous and an interrupted pathway along which electric current can flow. A simple electrical circuit is made up of three components: the power source, two conducting wires (one at each end/terminal of the cell), and a small lamp powered by the cell. If any of the wires at the terminal is disconnected, the circuit stops working.

There are 2 types of electrical circuits, they are:

I. Series circuit

II. Parallel circuit

In a series circuit, the components are connected in such a way that the current that flows through every component is identical, and the voltage of the circuit is the sum of the voltages across every component. In a series circuit all components must function for the circuit to be complete and if any component stops functioning, the circuit stops functioning. <u>Hence, the setup path of bulbs in the series circuit is </u><u>not</u><u> independent and complete</u>

In a parallel circuits, the components are connected in such a way that all the bulbs have their own circuit. The current that flows through every circuit is dependent on the components in that circuit and so also the voltage. The result is that if any bulb burns out, all the other bulbs will continue to function. <u>We therefore conclude that the setup path of bulbs in the series circuit </u><u>is</u><u> independent and complete</u>

<u />

Hence, "In <u>parallel circuits</u>, each of the bulbs would be  set up in paths independent and complete."

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Cecil writes the equation for the reaction of hydrogen and oxygen below.
Wittaler [7]

Answer:

C) to show that atoms are conserved in chemical reactions

Explanation:

When writing a chemical reaction, we should always consider the Mass Conservation Law, which basically states that; in an isolated system; the total mass should remain constant, this is, the total mass of the reactives should be equal to the total mass of the products

For this case, we should add the apporpiate coefficients in order to be in compliance with this law:

2H₂ + O₂ → 2H₂O

So, we can check the above statement:

For reactives (left side):

4H

2O

For product (right side):

4H

2O

5 0
3 years ago
The gas in a sealed container has an absolute pressure of 125.4 kilopascals. If the air around the container is at a pressure of
AlexFokin [52]

Answer: C. 25.6 kPa

Explanation:

The Gauge pressure is defined as the amount of pressure in a fluid that exceeds the amount of pressure in the atmosphere.

As such, the formula will be,

PG = PT – PA

Where,

PG is Gauge Pressure

PT is Absolute Pressure

PA is Atmospheric Pressure

Inputted in the formula,

PG = 125.4 - 99.8

PG = 25.6 kPa

The gauge pressure inside the container is 25.6kPa which is option C.

4 0
3 years ago
What is the total charge of the nucleus of a carbon atom?<br> (1) –6 (3) +6<br> (2) 0 (4) +12
NeX [460]
Carbon atomic number ⇒ 6
Carbon mass number ⇒ 12.

Carbon atomic number - Carbon mass number = number of neutrons.
12 - 6 = 6 neutrons.

Proton charge ⇒ +1

The total charge of the nucleus of a carbon atom ⇒⇒⇒ +6.

So the naswer is (3) +6




3 0
3 years ago
How much energy does it take to boil 500.g of water at its boiling point?
Tatiana [17]

Answer:

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Explanation:

7 0
3 years ago
The two balanced equations (1) and (2) are for reactions in which gaseous carbon dioxide is produced from the combustion of (1)
V125BC [204]

Answer:

2.0 mol of oxygen are consumed.

Step-by-step explanation:

You know that you will need a balanced equation with masses, moles, and molar masses, so gather all the information in one place.

M_r:   28.0                 44.0

          CO  + ½O₂ ⟶ CO₂ + 67.6 kcal

m/g:   112

<em>Step 1</em>. Convert grams of CO to moles of CO

1 mol CO = 28.0 g CO

Moles of CO = 112 × 1/28.0

<em>Step 2.</em> Convert moles of CO to moles of CO₂.

The molar ratio is 1 mol CO₂ to 1 mol CO

Moles of CO₂ = 4.000 × 1/1

Moles of CO₂ = 4.00 mol CO₂

Option A is <em>wrong</em>.

<em>Step 3.</em> Calculate the amount of heat generated.

q = ΔH

The conversion factor is 67.6 kcal/1 mol CO₂

q = 4.00 × 67.6

q = 270 kJ

Option B is <em>wrong</em>, because it gives the heat generated by 1 mol of CO.

<em>Step 4. </em>Calculate the moles of O₂ consumed

Moles of O₂ = 2.00 mol O₂

Option C is correct.

<em>Step 5.</em> Calculate the moles of CO₂ formed

Already done in Step 2.

Moles of CO₂ = 4.00 mol CO₂

Option D is <em>wrong. </em>

<em> </em>

<em>Step 6</em>. Calculate the moles of O₂ produced

Already done in Step 4.

Moles of O₂ = 2.00 mol O₂

Option E is <em>wrong. </em>

3 0
3 years ago
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