This piece of lab equipment has a collar, gas intake tube, air vents, and is used to heat things up in the lab. It uses methane and oxygen.
Bunsen Burner
100
Any substance that has mass and takes up space is called ...
Matter
100
what is density?
The amount of mass packed into a particular volume.
100
The bright blue cone in the bunsen burner is called the ______ ________. This is not the hottest part because the gas hs not had a chance to burn completely here, however, it is hot enough to light a match.
inner cone
100
You mix a shiny copper metal with an acid and you see bubbles forming on the metal, the metal appears dark brown, and the container is slightly warmer.
Chemical
200
This is used to light a Bunsen burner after it has been hooked up to gas and the collar has been adjusted
Igniter
200
Matter that contains one or more of the same type of atom is best categorized as ....
a. Compound b. Mixture
c. atom d. element
Element
200
What are the units of density. Hint: use the equation
g/mL
200
A bunsen burner makes heat energy and light through the reaction of ____________ and _____________.
Methane and oxygen
200
You mix cherry red Kool aid with water and you get a dilute pink solution
Physical
300
This is what we use to measure volumes of liquids and volumes of irregularly shaped objects.
Graduated Cylinder
300
Air has different elements and compounds present, air is best described as a ...
Mixture
300
Whenever measuring the volume of a liquid, be sure to measure from the bottom of this curved shape that the liquid takes in a graduated cylinder.
Meniscus
300
What color flame would you get if you shut off the air supply to the methane? This type of flame deposits soot
yellow/orange
300
You mix a transparent yellow liquid with a clear solution and get a solution that is bright cloudy yellow and feels cold to the touch
chemical
400
These are used to pick up things that have been heated without burning yourself.
hot hands
400
In the burner lab we kept things the same among every group. Give 2 examples of these things and what do we call them?
Many, and constants
400
If you measure the mass of an object on the scale as "32.57" how should you record it on your paper? Don't forget the units.
32.57 grams, sig figs later but always record what the scale is accurate to.
400
The thing that you use to adjust the amount of air flowing into the bunsen burner is called the ...
Collar
400
You begin with water and end with two different elements, H2 and O2
Chemical
500
This is used to heat a crucible over the bunsen burner as a part of your ring stand apparatus.
Clay triangle
500
Describe the difference between the independent variable and the dependent variable. What are they in an experiment?
Independent variable is what we are changing in the experiment and the dependent variable is what is changing as a result of our change. In the BB lab we changed distance over burner (independent variable) and resulting water temp. was our dependent variable.
500
Explain how you would measure an irregularly shaped object.
Use water in a graduated cylinder, measure the water level, drop in object, be sure no water splashes out, record the RISE in water volume.
500
Air enters the Bunsen Burner through the OPENINGS called the
Air Vents
500
What is the name of a resulting solid if two solutions are mixed together and a solid forms?