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yawa3891 [41]
3 years ago
10

What is the value of all conversion factors that are used in dimensional analysis?

Chemistry
2 answers:
Fittoniya [83]3 years ago
3 0

1

Explanation:

The value of all conversion factors that are used in dimensional analysis must be 1.

Dimensional analysis is a beautiful and systematic way of converting one unit to another using a simple scientific method in which a conversion factor of 1 is used to multiply the number to be converted.

For example, let us convert 1200kg to g:

       We know that;

    1000g = 1kg

The conversion factor is;

                   \frac{1000g}{1kg}

  The above value is the same as 1 since 1kg and 1000g  are the same.

Now multiply with 1200kg;

     1200kg x \frac{1000g}{1kg}  = 1200000g

learn more:

Conversion brainly.com/question/555814

#learnwithBrainly

Nadya [2.5K]3 years ago
3 0

Answer:

1

Explanation:

Dimensional analysis is a way of converting values to have different units but to keep the same value. The only way to keep the same value but also being able to change the units is using 1 as the conversion factor.

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Name the compound formed when a copper cation has a 2+ charge combined with a bromine anion that has a 1- charge.
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Answer: The compound is called copper (II) bromide or cupric bromide

Explanation:

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2 years ago
Does anyone know how to do this?
Sloan [31]

Answer

find out the number of moles and use the molar ratio (numbers in front of formulas (in this case they are all 1) to determine how many moles of each product you are going to get theoretically

n=m/M is the equation to use to get moles here

30.8 gm/32.04 g/mol=0.9612 moles of the methanol and also of the formaldehyde so

0.9612 moles of the formaldehyde x molar mass (M) 30.73 g/mol= 29.54 gm which is the theoretical yield you already have the actual yield of 24.7 gm

then divide the actual by the theoretical to get the % yield which is 83.6%

Explanation:

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3 years ago
What is the percentage of sodium presents in sodium hydrogen carbonate NaHCO3
STatiana [176]

Answer:-

27.38%

Explanation:-

Molecular weight of sodium hydrogen carbonate NaHCO3

= 23 x 1 + 1 x 1 + 12 x 1 + 16 x 3

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Percentage of sodium present=

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3 0
2 years ago
Calculate the molarity of a solution of potassium hydroxide if 19.55 mL of KOH is required for the titration of a 20.20 mL sampl
VMariaS [17]

Answer:

The correct answer is 0.3582 M.

Explanation:

Based on the given information, the volume of KOH given is 19.55 ml, the volume of sulfuric acid given is 20.20 ml, and the molarity of sulfuric acid is 0.3467 M. There is a need to find the molarity of KOH.

The formula to use in the given case is,

M1V1 = M2V2

Here M1 is the molarity of KOH, V1 is the volume of KOH, M2 is the molarity of sulfuric acid, and V2 is the volume of H2SO4.

Here V1 is 19.55 ml, M2 is 0.3467 M, and V2 is 2020 ml.

Now putting the values in the equation we get,

M1 * 19.55 = 0.3467 * 20.20

M1 * 19.55 = 7.00334

M1 = 7.00334/19.55

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Hence, the molarity of the given KOH is 0.3582.

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2 years ago
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Answer:

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Explanation:

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