1. Balance the reaction: Ag + H2S + O2 Ag2S + H2O
1 answer:
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Answer: b. 4.8 g
Explanation:
Given : 5 carats = 1 gram
Thus if 5 carats is equivalent to = 1 g
24 carats is equivalent to =
Thus 4.8 grams of gold are contained in a 24-carat gold chain.
0.33 seconds is the period of a wave with a frequency of 3 Hz and an amplitude off 0.01 .
<u>Explanation:</u>
We have , period of a wave with a frequency of 3 Hz and an amplitude off 0.01 . We know that period of a wave is amount of time needed to complete one oscillation . In order to calculate period of wave we use frequency and the formula use is . We are given that frequency = 3 Hz:
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Therefore, 0.33 seconds is the period of a wave with a frequency of 3 Hz and an amplitude off 0.01 .