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Lena [83]
3 years ago
5

What is the volume of 2.2 moles of gas at STP??? Pleaseeeee help

Chemistry
1 answer:
Naddika [18.5K]3 years ago
7 0

it should be 22.4 L

i hope this helps.

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Briefly describe four ways that a beam can be strengthened?​
lara31 [8.8K]

Answer:

1. Changing Beam Material

2. Corrugation

3. Changing Beam form

4. Steel Reinforcing Bars

Explanation:

Changing Beam Material

Some materials are stronger when used in beams than others. Beams made of steel for instance are stronger than beams made of wood. Therefore changing material can improve the strength of the beam. It is quite important to take into account the weights of the material though as different structures have different requirements.

Corrugation.

You can fold the beam into triangular shapes to increase strength. If you look at roofs you will notice that they are folded and this increased their strength. The same logic can be applied to beams.

Changing Beam Form

Another way to make Beams stronger is to change their form or rather their shape. Straight beams are not as strong as I-beams for instance. I-beams look like the capital letter I with the lines at both ends. I-beams are usually used in construction which shows that they are quite strong.

Steel Reinforcing Bars

When placed in concrete beams, Steel Reinforcing Bars which are also called Rebar can help strengthen a beam by helping it withstand the forces of tension. A concrete beam with Rebar inside it is known as Reinforced Concrete.

8 0
3 years ago
Sunlight, when viewed through a prism or a diffraction grating, shows all of the colors of visible light. This is an example of
nata0808 [166]
A spectrum that includes all colors and doesn't have
any gaps in it is a continuous spectrum.
8 0
3 years ago
Li+1 had gained ______ one electron
zysi [14]
Maybe molecules one electron
3 0
3 years ago
A piece of tin has a mass of 16.52 g and a volume of 2.26 cm2 what is the density of tin?
ioda
M/V=D
16.52/2.26=D
Density=6.86 g/cm^3
8 0
3 years ago
In the EXPLORE section of your lesson 4.08 on Potential energy there were several animations to watch that provided a graphic il
Lunna [17]

Answer:

This is because no energy is being created or destroyed in this system

Explanation:

I think this is correct? I hope it helps.        

7 0
3 years ago
Read 2 more answers
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