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blagie [28]
3 years ago
8

Phase changes occur because_____

Chemistry
1 answer:
timama [110]3 years ago
4 0
B and c is the answer
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A gas with a volume of 5.0 L at a pressure of 215 kPa is allowed to expand to a volume of 14.0 L. What is the pressure in the co
jarptica [38.1K]
Wouldnt the pressure be the kPa? if so i probably know the answer

8 0
3 years ago
The a ______ planet is from the sun, the _______ it takes the planet to revolve around the sun. Making the "year" for that plane
Ksenya-84 [330]

Answer:

Farther; longer.

Explanation:

In the early nineties When the research on solar system first started it was found out that the solar system has 9 planets which are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. Pluto which is considered as the number 9 of the planets in the solar system has been removed in the year 2006 and labelled as a "dwarf planet'' hence, Neptune is considered as the farthest planet from the Sun.

The farther the planets are from the sun, the longer it will take them to orbit round the sun. For instance, it only takes around 87.97 days for mercury(first planet nearer to the sun) to orbit round the sun, while it takes the earth (third planet nearer to the sun) 365 1/4 days to orbit round the sun.

7 0
3 years ago
Why does a metallic ion produce a characteristic color?
BabaBlast [244]
What is iron fe symbol
6 0
3 years ago
What is the acceleration due to gravity of the moon<br>​
sashaice [31]

Answer:

Earth's average surface gravity is about 9.8 meters per second per second. When an object is tossed off a building top or a cliff apex, for instance, it accelerates toward the ground at 9.8 meters per second per second. The Moon's surface gravity is about 1/6th as powerful or about 1.6 meters per second per second,

Explanation:

5 0
3 years ago
Using the formula M1V1 = M2V2 , how many milliliters of a 2.50 M hydrochloric acid solution is required to make 100.0 mL of a 0.
olga nikolaevna [1]

30ml of a 2.50 M hydrochloric acid solution is required to make 100.0 mL of a 0.750 M solution.

<h3>What is HCl?</h3>

HCl is an acid which is made up of hydrogen and chlorine gas.

By the formula of dilution

M1V1 = M2V2

where V1 = 2.50 m

M2 = 100.0

V2 = 0.750 m

M1 × 2.50 m = 100.0 × 0.750 m

M1 = 30 ml

Thus, the M1 is 30 ml option a is correct.

Learn more about HCl

brainly.com/question/3637432

8 0
2 years ago
Read 2 more answers
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