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arsen [322]
3 years ago
15

The chemical formula for phosphorus trichloride is PC13. In one to two sentences, explain how you would build or draw a model of

phosphorus trichloride. Include a description of the parts of the model. ​
Physics
1 answer:
lara [203]3 years ago
8 0

To build a model of PCl3, you need two colors of ball. One color will represent each atom. Three balls will be the of one color and one ball will be of a different color.

A model is a visual representation of something that exists in reality. The purpose of a model is to aid a person to conceptualize a given fact.

A molecular model of PCl3 is a visual representation of the molecule. If we have two colors of ball, three of one color and one of a different color, we can have a model of PCl3.

In this model, the three balls of the same color represents chlorine atoms while the lone ball of a different color represents the phosphorus atom.

Learn more: brainly.com/question/156574

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Negatively charged particle that orbits the nucleus
Ede4ka [16]

Answer: Electrons.

Explanation:

Electrons are the negatively charged particles that orbit the nucleus of an atom. Protons, on the other hand, are the positively charged particles that orbit the nucleus of an atom.

in the picture, the protons and neutrons are “in” the nucleus and you’ll also see the the electrons are orbiting all around the nucleus.

If this helped please mark me brainliest.

6 0
3 years ago
What impulse occurs when an average force of 7.0 N is exerted on a cart for 2.5 s ?
makkiz [27]

Answer:1.7\times 10

Explanation:

Given

Force F=7 N

time interval t=2.5 s

Impulse is given by =Force \times time\ interval\ for\ applied\ force

Impulse=7\times 2.5=17.5

For two significant Figure

Impulse=1.7\times 10

                       

7 0
3 years ago
The resultant of two vectors is maximum, when angle between them is:
dexar [7]
When angle between them is zero
7 0
4 years ago
A marble statue has a mass of 6,200 grams and a volume of 2,296 cm3. What is the density of marble?
Elan Coil [88]
D= m/v
d= 6200/2296
density = about 2.7
6 0
3 years ago
The head of a grass string trimmer has 100 g of cord wound in a light, cylindrical spool with inside diameter 3.00 cm and outsid
faust18 [17]

Answer:

a).11.546J

b).2.957kW

Explanation:

Using Inertia and tangential velocity

a).

w=2250*2\pi *\frac{1}{60}\\ w=235.61

I=\frac{1}{2}*m*((\frac{d_{i} }{2})^{2} +(\frac{d_{e} }{2})^{2})\\m=100g *\frac{ikg}{1000g}=0.1kg\\ d_{i}=3cm*\frac{1m}{100cm}=0.03m \\ d_{e}=18cm*\frac{1m}{100cm}=0.18m\\I=\frac{1}{2}*0.1kg*((\frac{0.03m}{2})^{2} +(\frac{0.18m}{2})^{2})\\I=0.41625x10^{-3}kg*m^{2}

Now using Inertia an w

E=\frac{1}{2}*I*(w)^{2} \\ E=\frac{1}{2}*0.416x10^{-3}*(235.61)^{2} \\E=11.54J

average power=\frac{11.4J}{0.230s}=50.2 W

b).

power=t*w

P=11.5465*0.25*235.61

P=2.957 kW

4 0
3 years ago
Read 2 more answers
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