Physics, 23.02.2021 20:00 rayray2083
13. Litmus paper can be used to determine if a solution is an acid or a base. There are two types of
litmus paper. Red litmus paper will turn blue in the presence of a base. Blue litmus paper will turn
red in the presence of an acid. Read the descriptions of the following solutions and predict what
the litmus paper results should be. Then conclude as to whether it is an acid, base or neutral
solution. Write your answers below in the table.
Answers: 2
Physics, 21.06.2019 19:00
Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.
Answers: 1
Physics, 22.06.2019 07:30
Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20
Answers: 1
Physics, 22.06.2019 12:50
The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.
Answers: 2
13. Litmus paper can be used to determine if a solution is an acid or a base. There are two types of...
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