Question

Many types of scientific equipment are used to perform different functions in the science lab. Which of the following combinations of equipment would be needed to bring one liter of water to 85°C?

Answer 1

First, we are going to need some water. We can usually get this from a sink or a bottle of deionized water.

Second, we are going to need a device to heat the water. Typically, we use a hot plate (a fancy electric stove top that allows us precise control of the temperature, it then maintains that temperature on its surface).

Third, we need a device to store the water in while it is heated. A plastic bottle wouldn't work very well since we risk melting the plastic. A beaker would work best since it has a nice flat bottom which will provide stability while resting on the hot plate. We don't want hot water tipping over and spilling.

Answer 2

I agree with eashmore.

Sometimes an open flame is used as heat, but you'll find that in your options. It seems like this is multiple choice, but the choices aren't listed.

The other thing you'd need is a device to measure the temperature so that you'll know when it is at \(85^\circ\).

If you're going to try to keep the temperature consistent throughout, you'll need to have a stirring rod of some sort. Maybe even the thermometer. This will make sure that the temperature is even throughout. Otherwise, you might accidentally just measure a warm or cold spot.