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RoseWind [281]
3 years ago
15

Explain how scientific knowledge and reasoning can help us make difficult decisions.

Chemistry
1 answer:
ch4aika [34]3 years ago
3 0
<span> Scientific reasoning consists of observation, forming a workable hypothesis and arriving at a conclusion. Almost without exception major scientific discoveries were made and are being made today based on these same precepts. It only seems logical when an individual makes a difficult decision he/she will apply all or part of these processes. Let;s say that you want to make someone;s acquaintance to possibly become serious. Certainly, you would begin by quietly observing them, then you might make a hypothesis, "This person might make a good companion for me." Then in your conclusion you would test your hypothesis and proceed as directed. THis may be a bit simplistic, and I hope that it helps.</span>
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Why do organisms need nitrogen?
RSB [31]
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6 0
3 years ago
What is the molecular shape of silicon tetrabromide? A. linear. . B. pyramidal. . C. tetrahedron. . D. bent triatomic
anygoal [31]
Molecular shape is tetrahedron
5 0
3 years ago
Read 2 more answers
This element has 50 electrons in a neutral atom and is usually mixed with metals to form an alloy.
babymother [125]
Heya!

HERE IS YOUR ANSWER:

Electrons = 50

Atomic number = 50

so, the Element is stannum (Sn)
6 0
3 years ago
What is a metal oxide and hiw are they formed?
mamaluj [8]

It is a <u><em>chemical compound</em></u> formed with a metal (mainly positive cations) with oxygen.

It is formed through the air as they react in the air together.

They are also BASES - ALKALINE (so neutralise acids)

7 0
3 years ago
A 30.00 mL sample of HBr was titrated using 0.1756 M NaOH. Determine the concentration of the HBr sample if 17.52 mL of NaOH was
postnew [5]

<u>Answer:</u> The concentration of HBr sample is 0.1025 M

<u>Explanation:</u>

To calculate the concentration of acid, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of acid which is HBr

n_2,M_2\text{ and }V_2 are the n-factor, molarity and volume of base which is NaOH.

We are given:

n_1=1\\M_1=?M\\V_1=30.00mL\\n_2=1\\M_2=0.1756M\\V_2=17.52mL

Putting values in above equation, we get:

1\times M_1\times 30.00=1\times 0.1756\times 17.52\\\\M_1=\frac{1\times 0.1756\times 17.52}{1\times 30.00}=0.1025M

Hence, the concentration of HBr sample is 0.1025 M

5 0
3 years ago
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