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White raven [17]
3 years ago
7

What would you use the scientific method for

Chemistry
2 answers:
ivolga24 [154]3 years ago
3 0
To aquire new knowledge solve and answer problems using methods of investigation
Eddi Din [679]3 years ago
3 0
Http://www.uwyo.edu/scienceposse/research-into-classroom/ecology-background/ecologist-uses-scientific-method.html
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All information on a line graph is as precise as the information in the data table. TrueFalse
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The answer to is all the information on a line graph is as precise as the information in the data table would be FALSE
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Which two parts of the atom are found in nucleus?
faust18 [17]

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protons and neutrons are found in nucleus

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What happens when carbon dioxide is passed through lime water for a long time? write with equation​
Vlada [557]

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when CO2 gas is passed through lime water it turns milky due to the formation of calcium carbonate which formula is CaCO3.

Ca(OH)2+ CO2------ CaCO3

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5 0
3 years ago
The mole fraction of iodine, i2, dissolved in dichloromethane, ch2cl2, is 0.115. what is the molal concentration, m, of iodine i
german
The molality of a solute is equal to the moles of solute per kg of solvent. We are given the mole fraction of I₂ in CH₂Cl₂ is <em>X</em> = 0.115. If we can an arbitrary sample of 1 mole of solution, we will have:

0.115 mol I₂

1 - 0.115 = 0.885 mol CH₂Cl₂

We need moles of solute, which we have, and must convert our moles of solvent to kg:

0.885 mol x 84.93 g/mol = 75.2 g CH₂Cl₂ x 1 kg/1000g = 0.0752 kg CH₂Cl₂

We can now calculate the molality:

m = 0.115 mol I₂/0.0752 kg CH₂Cl₂
m = 1.53 mol I₂/kg CH₂Cl₂

The molality of the iodine solution is 1.53.
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2 years ago
Which is a substance that is made up of only one type of atom?
deff fn [24]
The answer is element
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