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torisob [31]
3 years ago
13

Anthracite is so hard and pure it is also referred to as a _____. renewable resource metamorphic rock hot bituminous coal dirty

fuel
Chemistry
2 answers:
levacccp [35]3 years ago
4 0

Answer:

Anthracite is so hard and pure it is also referred to as a <u>metamorphic rock! </u> good luck! Gradpoint!

Explanation:

jekas [21]3 years ago
3 0

Anthracite is so hard and pure it is also referred to as a metamorphic rock. renewable resource metamorphic rock hot bituminous coal dirty fuel

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Which is an example of how people use nonrenewable energy resources?
Arturiano [62]

Answer:

i dont think its walking to school because that doesn't use any resources.

Explanation:

i think its driving a car because we use gasoline for that and for sailing we use the wind. hopefully that helps.

7 0
3 years ago
6. A balloon filled with air has a volume of 3.25 L at 30°C. It is placed in a freezer at
Viefleur [7K]

Answer:

2.82 L

T₁ = 303 K

T₂ = 263 K

The final volume is smaller.

Explanation:

Step 1: Given data

  • Initial temperature (T₁): 30 °C
  • Initial volume (V₁): 3.25 L
  • Final temperature (T₂): -10 °C
  • Final volume (V₂): ?

Step 2: Convert the temperatures to Kelvin

We will use the following expression.

K = °C + 273.15

T₁: K = 30°C + 273.15 = 303 K

T₂: K = -10°C + 273.15 = 263 K

Step 3: Calculate the final volume of the balloon

Assuming constant pressure and ideal behavior, we can calculate the final volume using Charles' law. Since the temperature is smaller, the volume must be smaller as well.

V₁/T₁ = V₂/T₂

V₂ = V₁ × T₂/T₁

V₂ = 3.25 L × 263 K/303 K = 2.82 L

7 0
3 years ago
What was the name for the secret code used by many alchemists?
ahrayia [7]

Answer:

A. Zodiac

B. Palingenesis

C. Palabra mysteria

D. Decknamen

The correct answer is D. Decknamen.

Explanation:

5 0
3 years ago
on a trip to italy, Cheyne rented a car to tour the country. As he turned onto the highway, he noticed that the speed limit was
rjkz [21]
 The answer is 59mph.
8 0
3 years ago
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Arrange the measurements from least to greatest.
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1) 1.8 micrograms(least)
2) 1.8 grams
3) 1.8 kilograms(greatest)
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