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elena-s [515]
3 years ago
7

How do structures stand up under a load

Chemistry
1 answer:
shusha [124]3 years ago
8 0

Answer:

The force then channels down through the walls to the floor. The force of the walls pushing down on the floor is exactly balanced by an equal force when the floor pushes up on the wall. ... The main, structural walls are called load-bearing walls and they're usually built from solid brick or stone.

Explanation:

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A rubber balloon was filled with helium at 25.0˚C and placed in a beaker of liquid nitrogen at -196.0˚C. The volume of the cold
Ksenya-84 [330]

Answer:

The volume of helium at 25.0 °C is 60.3 cm³.

Explanation:

In order to work with ideal gases we need to consider absolute temperatures (Kelvin). To convert Celsius to Kelvin we use the following expression:

K = °C + 273.15

The initial and final temperatures are:

T₁ = 25.0 + 273.15 = 298.2 K

T₂ = -196.0 + 273.15 = 77.2 K

The volume at 77.2 K is V₂ = 15.6 cm³. To calculate V₁ in isobaric conditions we can use Charle's Law.

\frac{V_{1}}{T_{1}} =\frac{V_{2}}{T_{2}} \\V_{1}=\frac{V_{2}}{T_{2}} \times T_{1}=\frac{15.6cm^{3} }{77.2K} \times 298.2K=60.3cm^{3}

3 0
3 years ago
An instrument that is used to measure air pressure is a ?
Zolol [24]
A barometer measures atmospheric pressure.
8 0
2 years ago
Why is it important for the circulatory system to help your cells
laiz [17]

Answer:

to provide energy to the body and helps u grow stonger

Explanation:

5 0
2 years ago
How many moles of AgNO3 are present in 1.50 L of a 0.050 M solution?
elixir [45]
To calculate the moles of AgNO3 in a solution, we need to know the volume and concentration of the solution. 
Moles of AgNO3 = Volume of AgNO3 solution (L) * concentration of AgNO3 solution (M or mole/L) = 1.50 L * 0.050 M = 0.075 mole.

So 0.075 moles of AgNO3 are present in 1.50 L of a 0.050 M solution.
8 0
3 years ago
Read 2 more answers
How is the Methane on Titan similar to water on Earth?
spin [16.1K]
Both in the phase of a liquid & has similar qualities like both molecules.
6 0
3 years ago
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