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Ket [755]
4 years ago
6

Drag each tile to the correct box.

Chemistry
2 answers:
Marat540 [252]4 years ago
7 0
Conduct the experiment then analyze the data then communicate the results and then make a hypothesis
FromTheMoon [43]4 years ago
5 0

Answer:

The correct answer will be-

1. Make a hypothesis.

2. Conduct an experiment.

3. Analyze the experimental data.

4. Communicate the results.

Explanation:

A scientific method is an approach used by the scientist to understand, answer and explain the natural phenomenon or events.

The method follows the sequential steps which begin with making an observation, asking a question, doing background research which leads to the formation of the hypothesis which repents the possibility of the explanation of the phenomenon to a limit.

The hypothesis is then tested by the experiments which can prove or disprove the hypothesis by providing the results. The results are analysed based on which conclusions are drawn. The results are then communicated to the scientific community.

Thus, the arranged sequence is correct.

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Selected properties of antimony (Sb) and iodine (I) are listed in the table below. Element Atomic radius (pm) First ionization e
Effectus [21]

Let us check each statement one by one

a) Sb has a lower ionization energy but a higher electronegativity than I. : As per values given : Definitely Sb has lower ionization energy however the electronegativity of Sb is lower than that of iodine

b) Sb has a higher ionization energy but a lower electronegativity than I. FAlse:

Sb has lower ionization energy than I

c) Sb has a lower ionization energy and a lower electronegativity than I. True

d) Sb has a higher ionization energy and a higher electronegativity than I. False


4 0
4 years ago
Read 2 more answers
Which statement is true about a liquid but not a gas?
vovangra [49]

Answer:

I think its D

Explanation:

.........................

3 0
3 years ago
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Be sure to answer all parts. Calculate the pH of the following two buffer solutions: (a) 1.4 M CH3COONa/1.6 M CH3COOH. (b) 0.1 M
aalyn [17]

Answer:

a) pH = 4.68 (more effective)

b) pH =4.44.

Explanation:

The pH of buffer solution is obtained by Henderson Hassalbalch's equation.

The equation is:

pH =pKa +log\frac{[salt]}{[acid]}

a) pKa of acetic acid = 4.74

[salt] = [CH₃COONa] = 1.4 M

[acid] = [CH₃COOH] = 1.6 M

pH = 4.74 + log \frac{1.4}{1.6}= 4.68

This is more effective as there is very less difference in the concentration of salt and acid.

b) pKa of acetic acid = 4.74

[salt] = [CH₃COONa] = 0.1 M

[acid] = [CH₃COOH] = 0.2 M

pH = 4.74 + log \frac{0.1}{0.2}= 4.44

3 0
4 years ago
The half-life of plutonium-238 is 87.7 years.
Margaret [11]

Answer:

263.1 is exactly three half-life, so the remaining portion is (1/2 x 1/2 x 1/2) of the original sample. That's 1/8 which is 12.5%

8 0
3 years ago
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Hey there! so I have this question in chemistry where they have shown a reaction with Ammonia acid and HCL, so the question to e
lozanna [386]

What the I haven't even learned this yet

5 0
4 years ago
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