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Advocard [28]
3 years ago
8

The scientific method includes which of the following? Select all that apply. question analysis hypothesis theory

Chemistry
2 answers:
adell [148]3 years ago
8 0

a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.


Klio2033 [76]3 years ago
8 0

Answer: question, analysis, hypothesis

Explanation:

A scientific method is a procedure used to give answers for scientific questions related to the natural process, event or cause of any natural phenomena.

In this steps are followed and performed in a systematic way. It involves making an observation, then asking question, framing hypothesis, performing experiment, analyzing data and concluding the results.

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2 C2H6 + 7 026 H2O + 4 CO2
Kay [80]

Answer:

Oxygen is limiting reactant

Explanation:

Based on the chemical reaction:

2C2H6 + 7O2 → 6H2O + 4CO2

<em>2 mole of ethane reacts with 7 moles of oxygen</em>

<em />

For a complete reaction of 5.25 moles of ethane are required:

5.25 moles Ethane * (7mol Oxygen / 2mol Ethane) = 18.38 moles of oxygen

As there are just 15.0 moles of oxygen

<h3>Oxygen is limiting reactant</h3>
3 0
3 years ago
Is it possible to convert between moles and mass?
lubasha [3.4K]

Answer:

Yes, if you're talking about molar mass or grams

Explanation:

Hope this helps!

5 0
3 years ago
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Ca(s)+2hno3(aq)→ca(no3)2(aq)+h2(g) identify the oxidizing agent.
aleksandr82 [10.1K]

To find for the oxidizing agent, first let us write the half reactions of this complete chemical reaction:

Ca = Ca2+ + 2e- <span>
2 H+ + 2e- = H2</span>

 

The oxidizing agent would be the substance of the element that is reduced. We know that an element is reduced when an electron is added to it. In this case, the element being reduced is H. Therefore the oxidizing agent is HNO3.

 

Answer:

<span>HNO3</span>

8 0
3 years ago
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In the compound silver oxide (Ag₂O), for each one oxygen ion there are two silver ions. If oxygen forms ions with a -2 charge, w
motikmotik

Explanation:

In the compound silver oxide (Ag₂O), for each one oxygen ion there are two silver ions. If ... - did not match any documents.

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3 0
3 years ago
6) What is the electron configuration of an atom in its ground state with a
shutvik [7]

Answer: the answer is B!

Explanation:

S and p’s are valence electrons and if added, there is 7 in total !

8 0
2 years ago
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