Which of the following is not an example of a physical change?
a
Chopping Down a Tree in a Fo...
Chemistry, 12.02.2021 18:20, Idontreallycare16
Which of the following is not an example of a physical change?
a
Chopping Down a Tree in a Forest
b
Tearing a Sheet of Paper in Half
c
Ice Melting
d
A Nail Rusting
Which of the following is not one of the 5 ways you know that a chemical reaction occurred?
a
New Odor
b
Gas Production
c
Light Emission
d
Temperature Change
Pay close attention, this question is worth 15 points. Make sure to answer all parts in your own words:
a. Explain the Law of Conservation of Mass.
b. Explain how this is demonstrated in a chemical reaction.
c. How did we witness this in class?
In physics, is the change in position with respect to .
All moving objects have kinetic energy
* = more kinetic energy
Fill in the Blank:
Endothermic - absorb heat when the reaction is taking place (will feel ).
Exothermic - these types of reactions release heat (will feel ).
m/s2 is the value of gravity on Earth.
(What value do we give gravity on Earth?)
Balanced forces will have a net force of .
Answers: 3
Chemistry, 22.06.2019 08:30, lpssprinklezlps
What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
Answers: 3
Chemistry, 22.06.2019 10:40, rntaran2002
What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0
Answers: 2
Chemistry, 22.06.2019 14:10, roserose3098
16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
Answers: 2
Mathematics, 19.11.2020 22:00
Mathematics, 19.11.2020 22:00
English, 19.11.2020 22:00
Mathematics, 19.11.2020 22:00
Mathematics, 19.11.2020 22:00
Social Studies, 19.11.2020 22:00
Medicine, 19.11.2020 22:00