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murzikaleks [220]
3 years ago
10

PLZZZZZZ HEEEELLLLPPPPP!!!!!!!!!!!!!!

Chemistry
1 answer:
denis-greek [22]3 years ago
3 0

Answer:

The answer should be fulcrum

Explanation:

It would be easier if you game me choices to pick from

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How many moles of oxygen gas molecules would you need to make 12.5 moles of water
horrorfan [7]

Answer: 6.25 mol

Explanation:

From the reaction that produces water from its elements (shown in the image), we know that for every mole of oxygen gas consumed, 2 moles of water are produced.

This means that 12.5/2=<u>6.25 mol</u> of oxygen gas is needed.

7 0
2 years ago
What is the molecule shown below?
ivanzaharov [21]

Answer:

C

Explanation:

if we were to followw the IUPAC

7 0
4 years ago
How do you tell how many electrons an element wants to gain or lose?
valkas [14]

How does the law of conservation of mass apply  to this reaction: C2H4 + O2 → H2O + CO2?

6 0
3 years ago
What is a naturally occurring, solid mass of mineral or mineral-like matter?
Firdavs [7]

Rock is a combination of two or more minerals, and it does not possess any specific chemical composition. It is present naturally in the environment. Some examples of rocks are limestone, granite, etc.,Limestone may contain minerals like calcite and aragonite. Each mineral has a specific chemical composition with a well defined crystalline structure.

Therefore, the correct option would be a. rock as rock is the naturally occurring  solid mass made up of different types of minerals.

5 0
3 years ago
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Which of the following are characteristics of a gas? (Select all that apply.)
ladessa [460]

Answer:

it has a fixed volume it can also be compressed

Explanation:

a gases molecules don't move slow because they are not solid and are not compacted.

a gas does not have a fixed shape because there is nothing to hold its shape

4 0
3 years ago
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