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3 years ago

When a compound is broken down in the chemical reaction, its atoms are

Physics

2 answers:

Makovka662 [10]3 years ago

3 0

A. used to form new compound

AlladinOne [14]3 years ago

3 0

When a compound is broken down in the chemical reaction, its atoms are used to form new compound.

Answer: Option A

<u>Explanation:</u>

In a chemical reaction involving one or more compounds, the atoms in the compounds breaks and bombardment happens to create a new compound. The chemical formula of the new compound comes form its parent compound due to mixing of molecules.

Hence Option B is invalid as atoms are not destroyed to create a new molecule. All chemical reactions are not exothermic hence option C is invalid.

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Which feature of electromagnets makes them more useful than permanent

mezya [45]

I think it’s D................

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3 years ago

A mass spectrograph is used to measure the masses of ions. true or false

zysi [14]

Answer:

It is true.

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8 0

3 years ago

An RLC circuit has a resistance of 200 Ω and an inductance of 15 mH. Its oscillation frequency is 7000 Hz. At time t = 0, the cu

MArishka [77]

Answer: 2.13 × 10^-4 A

Explanation:

Given that the RLC circuit has a resistance R = 200 Ω and an inductance L = 15 mH.

Its oscillation frequency F = 7000 Hz

The initial current I = 25 mA = 25/1000 or 25 × 10^-3 A

Since there is no charge on the capacitor, the current after complete 5 circle will be achieved by using the formula in the attached file.

Please find the attached file for the remaining explanation for the solution.

8 0

3 years ago

Two resistors of 2 ohms each are connected in parallel, another resistor of 1 ohm is connected in series with the parallel combi

insens350 [35]

Answer:

The power dissipated in either one of the parallel resistors is 2 V

Explanation:

Given;

two parallel resistors, R₁ and R₂ = 2 ohms

The total resistance of the Two resistors of 2 ohms connected in parallel is;

$R_T = \frac{R_1R_2}{R_1+R_2} = \frac{2*2}{2+2} = \frac{4}{4} = 1 \ ohm$

when connected to another resistor of 1 ohm in series, the total resistance becomes;

Rt = R₁ + R₂

Rt = 1 + 1 = 2 ohms

Current in the circuit, I = voltage / total resistance

= 2 /2 = 1 A

the overall circuit has been resolved to series connection, and current flow in series circuit is constant.

Power = I²R

Thus, power dissipated in either one of the parallel 2 ohms resistors is;

Power = I²R = (1)² x 2 = 2 V

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4 years ago

Why is the answer E?

ivann1987 [24]

Answer:

It takes 1 second to drop 26.4 meters, for acceleration due to gravity, the acceleration would double from the meters and would be 52.8 m/s^2.

Is there more information above question 4?

8 0

4 years ago

Read 2 more answers