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nexus9112 [7]
3 years ago
8

1. It is lab day in science class! Mr Benson is out in the hall talking with other teachers when the bell

Chemistry
1 answer:
OverLord2011 [107]3 years ago
7 0

Question part in the given data is missing, however the missing part is as follows:

What safety rules were violated?

Answer:

The correct answer would be:

-Never work in the lab without teacher or adult present

-Keep chemicals away from hands and face.

-Do not touch lab supplies without permission

Explanation:

According to the lab safety and precaution rules one should follow the lab rules strictly to avoid any risk and mishap. These rules include, the chemical management, lab safety equipment, and many other rules including don not work in absence of teacher or the adult.

One should avoid touching chemical and equipment without permission of teacher and never touch chemicals with bare hand and not to touch chemical and keeps it from face.

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babunello [35]

Answer:

Value = 1.80 g/cm³ (Approx)

Explanation:

Given:

\frac{3.39 \times 10^7g}{(\frac{4}{3} )(3.1416)(1.65 \times 10^2 cm)^3}

Computation:

\frac{3.39 \times 10^7g}{(\frac{4}{3} )(3.1416)(1.65 \times 10^2 cm)^3} \\\\\frac{3.39 \times 10^7g}{(\frac{4}{3} )(3.1416)(4.492125 \times 10^6 cm^3)} \\\\ \frac{3.39 \times 10^7g}{(\frac{4}{3} )(3.1416)(4.492125 \times 10^6 cm^3)}\\\\ \frac{3.39 \times 10^7g}{18.8166132\times 10^6 cm^3} \\\\ 1.80159945g/cm^3

Value = 1.80 g/cm³ (Approx)

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