Cards in this guide (14)
When baking soda is mixed with vinegar which type of reaction has taken place
Solid metals undergo greater thermal expansion than liquids do
At which temperature would it take the longest for the smell of cologne that someone is wearing to reach you
Swamp coolers are effective because
the water's latent heat of vaporization is being pulled from the
air, the water pulls heat from the room to undergo a phase
change.
Liquids usually have higher volume coefficients of expansion than solids do
The of an acid and a base is determined by how completely they dissociate in water
The _____________ of an acid and a base is determined by how
completely they dissociate in water.
strength
A beach towel is laying on the sand in the sun Why does the sand feel hotter to touch than the towel
The sand has a higher conductivity.
On a cold winter day the flow of heat is from the outside in
What is the temperature that Fahrenheit and Celsius thermometers would read as the same number
At a temperature of -40 (minus forty) degrees, the Celsius and
Fahrenheit scales read the same number.
A horizontal line on a phase change graph indicates
A horizontal line on a phase change graph means there has been
no change. Often longer periods of research are needed to see
significant change.
Which one of the following is a common acid soap aspirin antacid and washing soda
Is Sixty-five degrees Fahrenheit about 18 degrees Celsius
Yes, 18°C is 64.4°F, and 65°F is 18.33°C
Which one of the following does not describe an acid
Slippery and tastes bitter.....not properties of an acid --Apex:)
On a very hot summer day, railroad tracks can buckle, causing train delays and derailments. Select the best reason below for the buckling
The metal undergoes thermal expansion.