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Mrrafil [7]
3 years ago
13

50 PONITS TO RIGHT AWNSERS!!!

Chemistry
2 answers:
Ivan3 years ago
7 0
Distance and period of time is the correct answer

Hope this helps!
emmasim [6.3K]3 years ago
7 0
To determine an object's speed you need to have distance and period of time like with a car to measure how fast it goes you use miles per hour which is distance and period of time
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Water is wet. true or false? Why?
Vikentia [17]

Answer:

True water is wet because when something is wet in this case it's water it has water on it at a molecular level. Water molecules are bonded on top of each other so it's wet.

5 0
3 years ago
1. Which statement concerning an ecosystem is correct?
GenaCL600 [577]

(3) It involves interactions between biotic and abiotic

factors.

Explanation:

An ecosystem involves the interaction between biotic and abiotic factors.

The biotic factors are the living components of the ecosystem. The abiotic factors are the non-living components.

An ecosystem is made up the interaction between living organisms and their environments.

  • Ecosystem are combination of the community of lives and the environment.
  • The environment contains the non-living abiotic components.
  • The organisms are the living components.
  • All of this merges together to form of the ecosystem.

learn more:

Ecosystem brainly.com/question/2456852

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5 0
3 years ago
Why is chlorine a gas
natulia [17]
BECAUSE:

Chlorine<span> is a </span>gas at room temperature.<span>The melting/boiling point of a substance determines what state of matter it takes at a certain temperature.</span> 
3 0
3 years ago
C3H8 + 5 O2 → 3 CO2 + 4 H2O
Nataly [62]

Answer:

¹/3 C3H8(g) + ⁵/3 O2(g)

Explanation:

The coefficient before every molecule is representative of the number of moles. We can represent it in ration form so as to calculate the question;

C₃H₈(g) + 5 O₂(g) → 3 CO₂(g) + 4 H₂O(l) means;

For every 1 mole of C₃H₈(g) and 5 moles of  O₂(g) produces  3 moles of  CO₂(g) and 4 moles of H₂O(l).

Therefore to produce 1.00 mole of CO₂(g);

We represent it in ratio;

C₃H₈(g) : CO₂(g)

1  :     3

For more on evaluating moles in chemical reactions check out;

brainly.com/question/13967925

brainly.com/question/13969737

7 0
3 years ago
Read 2 more answers
When boiling water what does adding salt do
Troyanec [42]

Adding salt increases the boiling point of the water, which would make it so the water takes longer to get to a boiling point.

4 0
3 years ago
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