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Cloud [144]
3 years ago
6

during which step of the scientific method does a scientist make an educated guess about the outcome of an experiment

Chemistry
2 answers:
wariber [46]3 years ago
7 0

hypothesis statement or the very beginning.

AURORKA [14]3 years ago
7 0

Answer:

The answer is Hypothesis

Explanation:

To perform a scientific method, first the scientist must (1)observe an event of the environment, then, he goes on to the (2)introduction where the observed is analyzed and a question is generated, about the "Why?" of the facts. It is here that the scientist happens to make a supposition known as (3)hypothesis, which must be (4)experienced and (5)demonstrated to finally obtain (6)conclusions about it.

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Need help with this ASAP<br><br> Thanks!
olga_2 [115]

Answer:

Decomposers (either Secondary Consumer or Tertiary Consumer)

Explanation:

Decomposers eat dead materials and break them down into chemical parts. ... They keep the ecosystem free of the bodies of dead animals or carrion. They break down the organic material and recycle it into the ecosystem as nutrients. Vultures, Blowflies, hyenas, crabs, lobsters and eels are examples of scavengers.

6 0
3 years ago
How do you intrusive rocks form
Elodia [21]

Answer: Intrusive rock also called plutonic rock. They are formed from magma forced into older rocks at depths within the earths crust.

Explanation:

8 0
3 years ago
How many kinds of atoms are in a pure substance?
stepan [7]
Single type of atom builds a single atom
3 0
2 years ago
Read 2 more answers
Which historical era was marked the beginnings of European explorations, conquests of the Americas, trans-Atlantic slave trade a
Tomtit [17]

Answer : Option C) Early modern era


Explanation : The historical era which was marked by the beginnings of European explorations, conquests of the Americas, trans-Atlantic slave trade and the rise of a globally intertwined economy was Early modern era. It was later followed by the medieval period.

8 0
2 years ago
A sealed 1.0L flask is filled with 0.500 mols of I_2 and 0.500 mols of Br_2. When the container achieves equilibrium the equilib
DochEvi [55]

Answer:

[IBr] = 0.049 M.

Explanation:

Hello there!

In this case, according to the balanced chemical reaction:

I_2+Br_2\rightarrow 2IBr

It is possible to set up the following equilibrium expression:

K=\frac{[IBr]^2}{[I_2][Br_2]} =0.0110

Whereas the the initial concentrations of both iodine and bromine are 0.50 M; and in terms of x (reaction extent) would be:

0.0110=\frac{(2x)^2}{(0.50-x)^2}

Which can be solved for x to obtain two possible results:

x_1=-0.0277M\\\\x_2=0.0245M

Whereas the correct result is 0.0245 M since negative results does not make any sense. Thus, the concentration of the product turns out:

[IBr]=2x=2*0.0249M=0.049M

Regards!

7 0
2 years ago
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