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3 years ago

Which of the following is fact-based science rather than part of a belief system

Chemistry

2 answers:

makkiz [27]3 years ago

6 0

Answer:

c. chemistry

Explanation:

it uses science and math which are based on facts.

Bezzdna [24]3 years ago

5 0

Answer:

The correct answer will be option-C.

Explanation:

The aim of scientific investigations is to understand and explain the natural phenomenon. This aim can be achieved by using the scientific methods which provide the pieces of evidence to explain and understand the natural events.

The scientific investigation is not based on the belief system, personal opinions and the co-incidences which cannot explain the natural phenomenon. They are considered as a part of the pseudoscience practice as they lack evidence.

Since chemistry is the field of study which can explain any natural phenomenon by performing an experiment which provides evidence, therefore, Option-C is the correct answer.

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How to find the hybridization?

olganol [36]

CH3 is a methyl radical, which is formed by removing the hydrogen atom from methane, so the hybridization is SP^3

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3 years ago

A solution is made by adding 29.1 mL of concentrated perchloric acid ( 70.5 wt% , density 1.67 g/mL ) to some water in a volumet

Lera25 [3.4K]

Answer:

The concentration of the solution is 1.364 molar.

Explanation:

Volume of perchloric acid = 29.1 mL

Mass of the solution = m

Density of the solution = 1.67 g/mL

$m=1.67 g/mL\times 29.1 mL=48.597 g$

Percentage of perchloric acid in 48.597 solution :70.5 %

Mass of perchloric acid in 48.597 solution :

= $\frac{70.5}{100}\times 48.597 = 34.261 g$

Moles of perchloric acid = $\frac{34.261 g}{100.46 g/mol}=0.3410 mol$

In 29.1 mL of solution water is added and volume was changed to 250 mL.

So, volume of the final solution = 250 mL = 0.250 L (1 mL = 0.001 L)

$Molarity=\frac{Moles}{Volume (L)}$

$=\frac{0.3410 mol}{0.250 L}=1.364 M$

The concentration of the solution is 1.364 molar.

6 0

3 years ago

What occurs when a magnesium atom becomes a magnesium ion

Karo-lina-s [1.5K]

The electrons are lost.

4 0

3 years ago

Read 2 more answers

What type of bonding is shown in the diagram

Nutka1998 [239]

Answer:

Covalent Bond

Explanation:

In the diagram Carbon and each of the 4 Hydrogens are sharing electrons. They are also both non metals. Both of these are characteristics of Covalent Bonds.

4 0

3 years ago

A.it is physical change

PIT_PIT [208]

A physical change is when something don't permanently change

5 0

3 years ago