When entering compound units, indicate multiplication of units explicitly using a multiplication dot ( in the menu). For example. Ms. Express your answer to two significant figures and include the appropriate units. Indicate the multiplication of units explicitly either with a multiplication dot or a dash
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
![+ Reaction Order
For the reaction A+B+CD+E, the initial reaction rate was measured for various
initial concentrations of reactants. The following data were collected:
Trial
1
2
3
4
[A]
(M)
0.30
0.30
0.60
0.60
[B]
(M)
0.30
0.30
0.30
0.80
[C]
(M)
0.30
0.90
0.30
0.30
Initial rate
(M/s)
9.0x105
2.7x104
3.6x104
3.6x10
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0
Submit
✓ Correct
The rate didn't change when [B] was doubled. This indicates an order of 0 with respect to B.
Part C
What is the reaction order with respect to C?
Express your answer as an integer.
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1
Previous Answere
Submit Previous Answere
✓ Correct
The rate tripled when [C] was tripled. This indicates an order of 1 with respect to C because 3 = 3¹.
Part D
What is the value of the rate constant for this reaction?
k=
When entering compound units, indicate multiplication of units explicitly using a multiplication dot ( in the menu). For example, M¹-s¹.
-1
Express your answer to two significant figures and include the appropriate units. Indicate the multiplication of units explicitly either with a multiplication dot or a dash.
▸ View Available Hint(s)
Templates Symbols undo redo
n
ndo redo Reser keyboard shortcuts help
Value
Units
12 of 36
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