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Vanyuwa [196]
3 years ago
14

What are all the different types of chemical change?

Chemistry
1 answer:
creativ13 [48]3 years ago
4 0

Answer:

the types of chemical reaction are combination, decomposition, single replacement, double replacement, combustion

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RideAnS [48]
H+ ions
That's the answer to your question
4 0
3 years ago
100 ml of a 2.4 m solution is diluted to a final volume of 250 ml what is the new molarity
HACTEHA [7]

Answer:

The new molarity is 0,96 M.

Explanation:

A dilution consists of the decrease of concentration of a substance in a solution (the higher the volume of the solvent, the lower the concentration).

We use the formula for dilutions:

C1 x V1 = C2 x V2

2,4 M x 100ml = C2 x 250 ml

C2= (2,4 M x 100ml)/250 ml

<em>C2= 0,96 M</em>

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Which situation would cause a red for an observer on the red planet?
fenix001 [56]
When a light source moves away for an observer.
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2 years ago
a car is traveling at a speed of 55 mph the speed increased to 75 mph if the time needed to hange its speed is 4 seconds whats t
Savatey [412]

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u = 55 mph = 24.58 m/s

t = 4 sec

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= 33.52-24.58/4

= 8.94/4

= 2.235 m/s

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How is the periodic table arranged
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The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.
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