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3 years ago

15

What kind of reaction typically has a carbon compound and oxygen as

1 answer:

Anna11 [10]3 years ago

3 0

Answer:

Answer would be C because combustion does the process of heat. Oxygen is a reactant in a combination reaction, which always produces energy in the form of heat and light. Carbon burns in the presence of oxygen to give carbon dioxide.

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A capacitor is constructed of two large, identical, parallel metal plates separated by a small distance d. A battery fully charg

Alja [10]

The capacitance of a capacitor of a parallel plate is given by:

$C=\frac{kA\cdot\epsilon_o}{d}$

Where:

$\begin{gathered} \epsilon_o=_{\text{ }}Vacuum_{\text{ }}permittivity \\ k=_{\text{ }}Dielectric_{\text{ }}constant=2 \\ A=_{\text{ }}Area_{\text{ }}of_{\text{ }}the_{\text{ }}plates \\ d=_{\text{ }}distance_{\text{ }}betwen_{\text{ }}the_{\text{ }}plates \end{gathered}$

We also know:

$\begin{gathered} Q=\frac{q}{V} \\ so\colon \\ \frac{q}{V}=\frac{kA\cdot\epsilon_o}{d} \\ V=\frac{qd}{kA\cdot\epsilon_o} \\ if \\ k=2 \\ V=\frac{1}{2}(\frac{qd}{kA\cdot\epsilon_o}) \end{gathered}$

As we can see the voltage halves

And since:

$\begin{gathered} E=\frac{V}{d} \\ W=qV \end{gathered}$

We can conclude that electric field and also the energy halve

5 0

1 year ago

Large electric fields in cell membranes cause ions to move through the cell wall. The field strength in a typical membrane is 1.

jeka57 [31]

Answer:

$1.6\cdot 10^{-12}N$

Explanation:

The electric force on a charged particle is given by

$F=qE$

where

q is the charge of the particle

E is the strength of the electric field

In this problem, we have

$E=1.0\cdot 10^7 N/C$ is the electric field strength

$q=+e=+1.6\cdot 10^{-19}C$ is the charge of the calcium ion

Therefore, the electric force exerted on the calcium ion is

$F=(1.6\cdot 10^{-19}C)(1.0\cdot 10^7 N/C)=1.6\cdot 10^{-12}N$

5 0

3 years ago

Name the type of component that has a greater resistance as the current through it increases

Gnesinka [82]

Answer:

filament bulb, filament lamp

Explanation:

4 0

3 years ago

From 0 seconds to 4 seconds is the acceleration positive or negative?

Alenkinab [10]

Answer:

From 0 -4 seconds the acceleration is positive. (The graph is going upwards.)

From 6-10 seconds the acceleration is negative. (The graph is going downwards.)

7 0

3 years ago

An initially uncharged 3.53 × 10 − 6 F capacitor and a 7290 Ω resistor are connected in series to a 1.50 V battery that has negl

GarryVolchara [31]

Answer:

The initial current, Io = 2.06×10^-4A

Explanation:

The I itial current ,Io of a circuit is given by:

Io = Vo/R

Where Vo = initial votage

R = resistance in ohms

Given:

Vo = 1.50V

R = 7290ohms

Io = 1.50/ 7290

Io = 2.06 ×10^-4A

3 0

3 years ago