Chem 171 F09 Q1 Safety Density Key

Chem 171 F09 Q1 Safety Density Key - 1. Chem 171 Quiz 1...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chem 171 Quiz 1 Version A 1. Who must be present in the laboratory before you can be in the lab? What are the requirements for eye protection in the laboratory and when must eyes be protected? The TA Goggles. We must wear goggles in the lab at all times. 2. A 1.22 g sample of an unknown has a volume of 1.73 cm 3 . What is the density of the unknown? What is the definition of specific gravity? What is the unit for specific gravity? 1.22 g / 1.73 cm 3 = 0.705 g / mL Specific gravity = density of a substance / density of a reference substance Specific gravity is dimensionless, it has no unit Chem 171 Quiz 1 Version B 1. Name five laboratory dress regulations. (Pick any five) 1.Bare feet are not allowed. 2.Bare legs are not allowed 3.Bare midriffs are not allowed. 4. Sandals are not allowed. 5.Open-toed shoes are not allowed. 6.Open-backed shoes are not allowed. 7.Shorts are not allowed. 8.Halters are not allowed. 9.Long hair must be tied back.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

Chem 171 F09 Q1 Safety Density Key - 1. Chem 171 Quiz 1...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online