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baherus [9]
3 years ago
6

Which step of the scientific method involves identifying variables

Chemistry
2 answers:
Vlada [557]3 years ago
3 0
Testing a typothesiss
Marysya12 [62]3 years ago
3 0

The correct answer is:

Testing a hypothesis

Explanation:

Hypothesis testing is an action in statistics how an analyst tests a suspicion concerning a population parameter. Hypothesis testing is done to indicate the outcome of a hypothesis presented on individual data from a larger population. Hypothesis testing is an imperative idea in statistics. A hypothesis test estimates two together private statements about a population to settle which statement is best maintained by the sample data.

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Can someone please help me with the correct formula for this?
Anarel [89]

Answer:

C₂H₄O

CH₃CHO

Explanation:

I'm not sure if you want the molecular formula or the condensed structure, but I will give you both.

Molecular formula:

You have 2 carbons (C₂), 4 hydrogens (H₄), and 1 oxygen (O).  The molecular formula will be C₂H₄O.

Condensed Structure:

You have a carbon bonded to three hydrogens (CH₃).  This carbon is bonded to a carbon that is bonded to a hydrogen and oxygen (CHO).  The condensed structure will be CH₃CHO.

6 0
3 years ago
3. Ammonia, NH3, is a typical ingredient in household cleaners. It is produced through a combination reaction involving N2(g) an
hram777 [196]
N2 + 3H2 ----> 2NH3 

<span>you can see 3 moles H2 reacts to form 2 moles NH3 </span>
<span>Therefore moles NH3 = 2 / 3 x moles H2 </span>
<span>= 2/3 x 12.0 mol </span>
<span>= 8.00 mol NH3 hope this help</span>
6 0
3 years ago
Read 2 more answers
In a chemical formula such as C6H12O6 and H2O, what do you call the little numbers below the normal line of text.
Morgarella [4.7K]

These are called subscript number.

That is the number below the normal line of test are called subscript number.

This number indicate the indicate the number of atoms of the element present in the chemical formula.

In both of these C₆H₁₂O₆ and H₂O, the number written below the line of the text are called subscript numbers.

3 0
3 years ago
Read 2 more answers
Is chromium a transition metal
oksano4ka [1.4K]
No it is not

hope  this helped


7 0
3 years ago
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Which part of the atom forms chemical bonds?
Leokris [45]
Out of the choices given, the part of the atom that forms chemical bonds are the outermost electrons. The correct answer is B. 
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3 years ago
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