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damaskus [11]
3 years ago
9

Is exploding dynamite a chemical change or a physical change

Chemistry
2 answers:
Nookie1986 [14]3 years ago
6 0

Answer: Yes it is a chemical reaction.

Explanation: Although this is a chemical reaction that is very exothermic it can cause other chemical reactions or physical changes around its environment. When a chemical Reaction Takes place the atoms rearrange to for a new compound. On the other hand, when a physical reaction takes place... how should i put this... example- I broke my pencil in half, its still a pencil now its just in two pieces.

nexus9112 [7]3 years ago
5 0
Exploding dynamite would be a chemical change because you cannot revert it back to the original dynamite once it exploded. 
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P/T = constant

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What is the empirical formula of a substance that contains 12.0 g of c, 2.00 g of h, and 5.33 g of o?
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Empirical formula is the simplest ratio of whole numbers of components making up a compound. 
empirical formula can be calculated as follows
                      C                             H                          O
mass          12.0 g                      2.00 g                   5.33 g 
number of moles  
                  12.0 g / 12 g/mol    2.00 g / 1 g/mol       5.33 g / 16 g/mol 
                    = 1.00 mol                = 2.00 mol           = 0.333 mol
divide by the least number of moles
                   1.00 / 0.333              2.00 / 0.333          0.333/ 0.333 
                    = 3.00                     = 6.01                    = 1.00
the number of atoms 
C - 3
H - 6
O - 1
empirical formula is C₃H₆O     
8 0
3 years ago
In-Lab Question 5a. Comparing your actual mass to the calculated target mass, would you predict the absorbance of your solution
Aleonysh [2.5K]

Answer:

less than

Explanation:

The absorbance of a solution is a function of the concentration (amount) of a substance in the solution. Mathematically, if the concentration is increased, the absorbance of the solution will also increase and if the concentration is decreased, the absorbance will decrease. There will be a decrease in the value of the absorbance because the calculated and predicted masses are not the same.

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3 years ago
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