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Yakvenalex [24]
4 years ago
6

Chemical formulawhat is the chemical formula ​

Physics
2 answers:
viva [34]4 years ago
7 0
A set of chemical symbols showing the elements present in a compound and their relative proportions, and in some cases the structure of the compound.

That’s the definition
evablogger [386]4 years ago
4 0

Answer:

??

Explanation:

what's the actual question

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A 1.5m wire carries a 3 A current when a potential difference of 74 V is applied. What is the resistance of the wire?
Allisa [31]

Answer:

24.7 ohms

Explanation:

Given in the question,

electric current = 3 A

potential difference = 74 V

Using ohm's law

<h3>V = IR</h3>

R = V/I

<em>here,</em>

<em>R = resistance of wire</em>

<em>V = potential difference</em>

<em>I = electric current</em>

<em />

plug value in the formula

R = 74/3

R = 24.7 ohms

Therefore, the resistance of the wire is, 24.7 ohms

4 0
3 years ago
What does area under a velocity time graph represent
Feliz [49]
Velocity hope that helps
7 0
3 years ago
What measures air pressure.?
Alekssandra [29.7K]
That depends on what type of pressure you are attempting to measure, to measure Atmospheric pressure, you would use a Barometer. To measure things like tires, you could use a Tire Pressure Gauge. For Industrial processes and boilers, you would use a Manometer. For pressure vessels, you would use a Bordon Gauge.   <span />
8 0
4 years ago
Read 2 more answers
PLEASE ANSWER QUICK GIVING BRAINLIEST TO THE ONE WHO ANSWERS
dedylja [7]

Answer:  Iron combines with oxygen to produce rust, which is the compound named iron oxide.

Explanation:  Rusting is an oxidation reaction. The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust.

Hope This Helps :)

4 0
3 years ago
Read 2 more answers
Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49 × 1014 hz. calculate the
olga nikolaevna [1]
The energy of a single photon is given by:
E=hf
where
E is the energy
h is the Planck constant
f is the frequency of the light

The light in our problem has a frequency f=5.49 \cdot 10^{14}Hz, so the energy of each photon of that light is:
E=hf=(6.6 \cdot 10^{-34} Js)(5.49 \cdot 10^{14} Hz)=3.64 \cdot 10^{-19} J
5 0
3 years ago
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