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2 years ago

What is it called when a rock is rusting

Chemistry

1 answer:

shusha [124]2 years ago

7 0

do you mean erosion???

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Suppose you've just heard an opera singer warm up her voice. Write your own science question about the sounds a singer makes.

maxonik [38]

1. how does warming up help?
2. what does warming up do?
3. what would happen if you don’t warm up?

6 0

2 years ago

GarryVolchara [31]

Answer:

The value of the Golden Igloo is $227.4 million.

Explanation:

First, we need to find the inner and the outer volume of the half-spherical shell:

$V_{i} = \frac{1}{2}*\frac{4}{3}\pi r_{i}^{3}$

$V_{o} = \frac{1}{2}*\frac{4}{3}\pi r_{o}^{3}$

The total volume is given by:

$V_{T} = V_{o} - V_{i}$

Where:

$V_{i}$ : is the inner volume

$r_{i}$ : is the inner radius = 1.25/2 = 0.625 m

$V_{o}$ : is the outer volume

$r_{o}$ : is the outer radius = 1.45/2 = 0.725 m

Then, the total volume of the Igloo is:

$V_{T} = \frac{2}{3}\pi r_{o}^{3} - \frac{2}{3}\pi r_{i}^{3} = \frac{2}{3}\pi [(0.725 m)^{3} - (0.625 m)^{3}] = 0.29 m^{3}$

Now, by using the density we can find the mass of the Igloo:

$m = 19.3 \frac{g}{cm^{3}}*0.29 m^{3}*\frac{(100 cm)^{3}}{1 m^{3}} = 5.60 \cdot 10^{6} g$

Finally, the value (V) of the antiquity is:

$V = \frac{\$ 1263}{oz}*5.60 \cdot 10^{6} g*\frac{1 oz}{31.1034768 g} = \$ 227.4 \cdot 10^{6}$

Therefore, the value of the Golden Igloo is $227.4 million.

I hope it helps you!

8 0

2 years ago

A chemist wants to combine sodium with a halogen. The halogen must have a higher atomic mass than sodium. Which of the following

user100 [1]

Answer:

bromine

Explanation:

i just know

8 0

3 years ago

Protects the eyes from flying objects or chemical splashes

Bogdan [553]

Answer:

Goggles

Explanation:

5 0

3 years ago

Which periodic table groups have elements that cannot be found unbounded in nature?

otez555 [7]

Hello,

The answer is titanium because although it is not found unbound to other elements in nature, Titanium is the ninth most abundant element in the Earth's crust

Hope this Helps
Plz mark me as Brainist or verified answer Thanks!!!!!

7 0

3 years ago

Read 2 more answers