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malfutka [58]
3 years ago
11

4. The cloud of interstellar dust and gas that forms a star is known as

Chemistry
1 answer:
Ede4ka [16]3 years ago
6 0
It's called a nebula or nebulae (plural). They are not only massive clouds of dust, hydrogen and helium gas, and plasma; they are also often “stellar nurseries” – i.e. the place where stars are born.
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Which of the following is an example of chemical weathering?
REY [17]

Answer:

the answer is C acid dissolving limestone

Explanation:

6 0
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A container with a volume 2. 0 L is filled with a gas at a pressure of 1. 5 atm. By decreasing the volume of the container to 1.
worty [1.4K]

The resulting pressure of the gas after decreasing the initial volume from 2 L to 1 L is 3 atm.

<h3>What is Boyle's Law?</h3>

According to the Boyle's Law at constant temperature, pressure of the gas is inversely proportional to the volume of that gas.

For the given question we use the below equation is:

P₁V₁ = P₂V₂, where

P₁ = initial pressure of gas = 1.5 atm

V₁ = initial volume of gas = 2 L

P₂ = final pressure of gas = ?

V₂ = final volume of gas = 1 L

On putting all these values on the above equation, we get

P₂ = (1.5atm)(2L) / (1L) = 3 atm

Hence required pressure of the gas is 3 atm.

To know more about Boyle's Law, visit the below link:
brainly.com/question/469270

5 0
2 years ago
How do geologists use seismic waves to locate an earthquakes epicenter
GREYUIT [131]
The waves detect magnetic waves and the disturbances in the to locate where a earth quake will or may hit
6 0
3 years ago
Change 2.6 km/day to m/week
professor190 [17]
First, we need to transform km to meters.

1 km = 1000 meters

2.6 * 1000 = 2600

Now, there are 7 days in a week. 

Multiply.

2600 * 7 = 18,200

Final answer: 18,200 meters a week 
8 0
3 years ago
3. What agency tracks the activities of typhoon that enters PAR?
SOVA2 [1]

Answer:

3.

D. Philippine Atmospheric, Geophysical and Astronomical Services

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