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3 years ago

Which method is the typical first step when scientists communicate their scientific results?

Chemistry

2 answers:

hodyreva [135]3 years ago

5 0

Purpose
prediction
procedure
data
calculation
conclusion - results etc.

Maksim231197 [3]3 years ago

5 0

Answer:

The correct answer is submission of the results to a scientific journal for a peer review.

Explanation:

It is the responsibility of the scientists to submit their results to the scientific peer review journals after attaining the results from the experiments. This is very essential as it is the duty of the scientists to handle the journals in order to completely scrutinize the set of the experiments and the outcomes attained in order to make sure that they all are devoid of any kind of mistakes and there is validity in the results obtained.

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How many elements are in oxygen

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Explanation:

Oxygen is a pure substance therefore it is only made up of one kind of atom

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3 years ago

Formula units in 0.0300 moles of cacl2

spin [16.1K]

Answer:

no of formula unit = $0.03\times 6.023\times 10^{23}=1.8\times 10^{22}$

Explanation:

atomic mass of CaCl2 = 40 + 2×35.5 = 111 g.

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4 years ago

A 3.25 L solution is prepared by dissolving 285 g of BaBr2 in water. Determine the molarity.

Effectus [21]

Answer:

0.295 mol/L

Explanation:

Given data:

Volume of solution = 3.25 L

Mass of BaBr₂ = 285 g

Molarity of solution = ?

Solution:

Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

Formula:

Molarity = number of moles of solute / L of solution

Number of moles of solute:

Number of moles = mass/ molar mass

Molar mass of BaBr₂ = 297.1 g/mol

Number of moles = 285 g/ 297.1 g/mol

Number of moles= 0.959 mol

Molarity:

M = 0.959 mol / 3.25 L

M = 0.295 mol/L

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3 years ago

What would be considered the strongest base?

blondinia [14]

Answer:

A strong base is something like sodium hydroxide or potassium hydroxide which is fully ionic. You can think of the compound as being 100% split up into metal ions and hydroxide ions in solution.

Explanation:

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