Biology, 23.08.2021 17:00 HannaTheGurls

Lloyd’s lab partner is looking down into a test tube while he heats the contents by using a flame. Which action should Lloyd recommend to his partner if heating must continue? Wear safety goggles while looking into the opening of the test tube.
Cover the opening of the test tube so that no materials can boil out of it.
Move the test tube so that the opening is pointing away from all students.
Put the test tube in a hot water bath so that no water can enter its opening.

Answers: 2

Show answers

Another question on Biology

Biology, 22.06.2019 01:50

Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?

Answers: 1

Answer

Biology, 22.06.2019 08:40

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of

Answers: 1

Answer

Biology, 22.06.2019 10:40

_is a product of the first stage of photosynthesis.atpglucosecarbon dioxidewater

Answers: 2

Answer

Biology, 22.06.2019 14:30

If 360 joules of work are needed to move and create a distance of 4 m what is the weight of the crate

Answers: 1

Answer

You know the right answer?

Lloyd’s lab partner is looking down into a test tube while he heats the contents by using a flame. W...