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Delicious77 [7]
3 years ago
13

Which of the following statements holds true for chemical change?

Chemistry
1 answer:
Likurg_2 [28]3 years ago
4 0
Which of the following statements holds true for chemical charge?

Correct Answer: C) In a chemical charge, the molecular structure of substance charges 
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Easy question please help. DUE IN 15 MINUTES. Calculate the frequency of light that has a wavelength of 9.75 x 10^-7 m.
mart [117]

Answer:

3.077 × 10¹⁴ Hz

Explanation:

f = ?

wavelength = 9.75 × 10-⁷m

using the formula,

c = wavelength × frequency

f = c/wavelength

but c(speed of light) = 3×10⁸m/s

f = 3 × 10⁸/9.75 × 10-⁷

f = 3.077 × 10¹⁴ s-¹

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2 years ago
Which is the correct Lewis structure for acetylene (C2H2)?
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H-C≡C-H this is the lewis structure of acetylene 
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I think the answer is A sorry if I am wrong :c

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2 years ago
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It takes 35 mL of 0.75M HCl to neutralize a 20 mL solution of unknown base. What is the molarity of the unknown base?
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How many grans are in 25 milligrams
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