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Over [174]
2 years ago
8

There is a sample of rock with a volume of 8 cm^3 and a mass of 20 g. What is its density?

Chemistry
1 answer:
hammer [34]2 years ago
5 0

Answer:

156.07 lb/cu ft

Explanation:

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PLEASE HELP ASAP I'M SO STRESSED
bazaltina [42]

Answer:

160.3g

Explanation:

We know the equation:

No of moles = mass ÷ Mass of element

We need to find the mass, so make mass the subject of the formula.

Mass = No. of moles × mass of element

Mass = 5 × 32.06

Mass = 160.3g

4 0
2 years ago
What is latice energy
velikii [3]
The energy required to separate a mole of an ionic solid into gaseous ions
3 0
3 years ago
Which college classes would a student most likely take to become an oceanographer? Select 4 choices.
Setler [38]

Answer:

marine biology

coastal ecology

astronomy

meteorology

Explanation:

As a college student, to study oceanography one will have to take classes in the field of marine biology, coastal ecology, astronomy and meteorology.

An oceanographer is someone or a professional that studies the ocean in order have more scientific knowledge about them.

Oceanography is a merger of geology, biology, chemistry, physics as it pertains to the ocean.

  • There is no need to study human anatomy to study oceanography.
  • Marine biology and coastal ecology deals with study of life forms in their marine environment.
  • Astronomy and meteorology helps to gain insight about the formation of the ocean and how weather relates to the ocean.
5 0
3 years ago
Which of these equations is balanced, and which is not balanced? Explain how you can tell.
disa [49]

Answer:

a is balanced

Explanation:

a) reactant/ product

(2x2)=4c / 4c

(2x6)=12h / 12 h

14o / (8o+6o)=14 o

5 0
2 years ago
Can y’all help me with this science question plz
elixir [45]
The tree I know is producer
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