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luda_lava [24]
3 years ago
11

93 mL of water has a given mass of 93 g.which object was more accurate in determining volume ,the graduated cylinder or the beak

er ?why?

Chemistry
1 answer:
Whitepunk [10]3 years ago
8 0

The graduated cylinder gives the more precise measurement of volume.

The smallest division on a <em>graduated cylinde</em>r is 1 mL. You could probably estimate to half of the smallest division, so your volume reading would be 93.0 mL ± 0.5 mL.

The smallest division on a beaker is 10 mL. You could probably estimate to half of the smallest division, so your volume reading would be 90 mL ± 5 mL.

The graduated cylinder is more precise because you get more decimal places in your measurement.

The <em>accuracy</em> of the measurement, however, depends on you.

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1. For HF and HBr, the partial positive charge on H atom is 0.29 and 0.09, respectively. Use electronegativities (EN) to explain
Assoli18 [71]

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Electro negativity decreases down the group

Explanation:

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4 0
3 years ago
When the temperature of a gas changes, it's volume decreases from 12 cm3 to 7 cm3 if the final temperature is measured to be 18°
ElenaW [278]

Answer:

The initial temperature is 499 K

Explanation:

Step 1: Data given

initial volume = 12 cm3 = 12 mL

Final volume = 7 cm3 = 7mL

The final temperature = 18 °C = 291 K

Step 2: Calculate the initial temperature

V1/T1 = V2/T2

⇒with V1 = the initial volume = 0.012 L

⇒with T1 = the initial volume = ?

⇒with V2 = the final volume 0.007 L

⇒with T2 = The final temperature = 291 K

0.012 / T1 = 0.007 / 291

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T1 = 0.012/2.4055*10^-5

T1 = 499 K

The initial temperature is 499 K

8 0
3 years ago
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