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Minchanka [31]
3 years ago
13

Charlie is doing a scientific investigation about the properties of light energy. For his experiment, he points a flashlight at

a mirror and then at a basketball. Which of the following best describes what Charlie would observe?
A The light traveled through both objects and refracted which made them appear bigger.
B The light was completely absorbed by both objects, and he could see white and blue.
C When the flashlight was pointed at the mirror, the light reflected in the same direction. When the flashlight was pointed at the basketball, the light was reflected in different directions.
D When the flashlight was pointed at the mirror, the light was absorbed. When the flashlight was pointed at the basketball, the light was refracted in a different direction.
Chemistry
2 answers:
matrenka [14]3 years ago
7 0

Answer:

it would be A.

Explanation:

MA_775_DIABLO [31]3 years ago
5 0
Most likely be answer A
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V ( HCl ) = 45.00 mL in liters : 45.00 / 1000 => 0.045 L

M ( HCl ) = ?

V ( NaOH ) = 25.00 / 1000 => 0.025 L 

M ( NaOH) = 0.2000 M

number of moles NaOH :

n = M x V = 0.2000 x 0.025 => 0.005 moles of NaOH

Mole ratio:

HCl + NaOH = NaCl + H2O

1 mole HCl ---------- 1 mole NaOH
? mole HCl ---------- 0.005 moles NaOH

moles HCl = 0.005 x 1 / 1

= 0.005 moles of HCl :

M ( HCl ) = n / V

M ( HCl ) = 0.005 / 0.045

= 0.1111 M

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