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MArishka [77]
1 year ago
13

(LAB 9: SPECTROSCOPY: ABSORPTION & EMISSION)What are the four steps of the scientific method?

Chemistry
1 answer:
nata0808 [166]1 year ago
7 0

Answer

The four steps of the scientific method are:

1) Observation and description of a natural phenomenon of group of phenomena;

2) Formulation of a hypothesis to explain the phenomena;

3) Use of the hypothesis to predict the existence of other phenomena or to predict quantitatively the results of new observations, i.e to test the hypothesis if the hypothesis is true, find more evidence or find counter-evidence, if the hypothesis is false, create a new hypothesis or try again; and

4) Draw conclusions and repeat –the scientific method is never-ending, and no result is ever considered perfect.

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AgNO3 + NaCl mc017-1.jpg NaNO3 + AgCl
lina2011 [118]

The balanced reaction is:

 AgNO3 + NaCl = NaNO3 + AgCl

 <span>We are given the amount of silver nitrate to react with sodium chloride. This will be our starting point.</span>

 15.0 mol AgNO3 (1 mol AgCl / 1 mol AgNO3 ) =15.0 mol AgCl


The amount of moles produced is the same with the amount of the given reactant since they only one is to one ratio.

8 0
4 years ago
Read 2 more answers
Calculate the pH of the resulting solution if 26.0 mL of 0.260 M HCl(aq) is added to:
enyata [817]
So in your question that ask to calculate the Ph result of the resulting solution if 26 ml of 0.260 M HCI(aq) is added to the following substance. The the result are the following:
A. The result is pH= 14-pOH
B. There are 10ml of 0.26m HCL excees in this reaction so the answer is log(H)+
7 0
4 years ago
Which of the following is true about homogeous mixtures
sergey [27]
Was there supposed to be a picture?
4 0
3 years ago
In chemistry, how many oxygen molecules are in the formula for Sugar?<br><br>C12H22O11
jeyben [28]

Answer:

11

So, 1 mole of sucrose contains 12 moles of carbon atoms, 22 moles of hydrogen atoms, and 11 moles of oxygen atoms.

Explanation:

Mark Brainliest

8 0
3 years ago
What is the oxidation state of an individual nitrogen atom in nh4oh ? express the oxidation state numerically (e.g., +1)?
Nonamiya [84]
In NH4OH, the compounds that make it up are NH4+ and OH-
Therefore N exists in the ammonium form.
In the ammonium ion 4H atoms are connected to N. 
 N is more electronegative than H, therefore when H bonds to N, H is the more positive atom therefore each H has a charge of +1, since there are 4 H atoms the charge contributed by the 4H atoms are +1 * 4 = +4
the overall charge of NH4 is +1
Charge of N (+) +4 =  +1
Charge of N = +1 - 4
Therefore oxidation state of N in NH4 is  = -3
6 0
4 years ago
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