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UNO [17]
3 years ago
5

Which statement best describes pseudoscience

Chemistry
1 answer:
Radda [10]3 years ago
4 0

Answer:

The statement that best describes pseudoscience is that it lacks a process for collecting data

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So you have to draw a line throw the papa per
3 0
2 years ago
Given BH3, O3, CO2, and NH3, which of these compound is an exception to the octet rules?
butalik [34]

Answer:

a. BH₃

Explanation:

According to the octet rules, atoms reach stability when are surrounded by eight electrons in their valence shell when they combine to form a chemical compound.

From the options, the only compound in which the central atom does not meet the octet rules is BH₃. The central atom is boron (B), which has 3 electrons in its valence shell. When B is combined with hydrogen (H), 3 electrons from the 3 atoms of H are added. <em>The total amount of electrons is 6</em>, <em>fewer than 8 electrons</em> needed to meet the rule.

4 0
3 years ago
If you dilute 125 mL of a 2.5 M solution of Lici to 1.0 L, determine the new
Rama09 [41]

Answer:

0.31M is the new concentration of the solution

Explanation:

The solution is diluted from 125mL to 1.0L = 1000mL. The dilution is of:

1000mL / 125mL = 8 times.

That means the concentration of the diluted solution is 8 times lower than the original solution. That is:

2.5M / 8 times =

<h3>0.31M is the new concentration of the solution</h3>
7 0
3 years ago
How many states are there in the world?
Tems11 [23]

There are 195 countries in the world today. This total comprises 193 countries that are member states of the United Nations and 2 countries that are non-member observer states: the Holy See and the State of Palestine.

There are 50 US states.

The United States currently administers 16 territories as insular areas:

American Samoa.

Guam.

Northern Mariana Islands.

Puerto Rico.

U.S. Virgin Islands.

This information is from three sources. United Nations, Wikipedia, and United States and their satellite states aka countries.

5 0
3 years ago
What do scientists use to design their experiments?
velikii [3]
I believe the scientific method
4 0
4 years ago
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