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lilavasa [31]
4 years ago
9

What procedure could a student use to examine an intensive property of a rectangular block of wood

Chemistry
1 answer:
photoshop1234 [79]4 years ago
8 0

An intensive property does not change when you take away some of the sample. The procedures that a student could use to examine the intensive property of a rectangular block of wood are the hardness, color, density and molecular weight.

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If a reaction is completely neutralized, the products would have a pH of<br><br> PLEASE ANSWER!!!!
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a sample of compound determined to contain 1.71 g C and 0.287 g H. The corresponding empirical formula is
fiasKO [112]

Answer: The empirical formula is CH_2.

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Step 1 : convert given masses into moles.

Moles of C = \frac{\text{ given mass of C}}{\text{ molar mass of C}}= \frac{1.71g}{12g/mole}=0.142moles

Moles of H = \frac{\text{ given mass of H}}{\text{ molar mass of H}}= \frac{0.287g}{1g/mole}=0.287moles

Step 2 : For the mole ratio, divide each value of moles by the smallest number of moles calculated.

For C =\frac{0.142}{0.142}=1

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The ratio of C: H = 1: 2

Hence the empirical formula is CH_2.

4 0
3 years ago
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