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topjm [15]
3 years ago
6

2. Record your observations about what happens to a wave when it reaches the boundary between two media.

Chemistry
1 answer:
Taya2010 [7]3 years ago
6 0

the wave bounces back off the first media and returns to it origanal resting place

Explanation:

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What mass of hydrogen sulfide, H2S, will completely react with 2.00 moles of silver nitrate, AgNO3?
hodyreva [135]

Answer:

34g

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

H2S + 2AgNO3 —> 2HNO3 + Ag2S

Next, we shall determine the number of mole of H2S required to react with 2 moles of AgNO3.

This is illustrated below:

From the balanced equation above,

We can see that 1 mole of H2S is required to react completely with 2 moles of AgNO3.

Finally, we shall convert 1 mole of H2S to grams. This is shown below:

Number of mole H2S = 1 mole

Molar mass of H2S = (2x1) + 32 = 34g/mol

Mass = number of mole x molar Mass

Mass of H2S = 1 x 34

Mass of H2S = 34g

Therefore, 34g of H2S is needed to react with 2 moles of AgNO3.

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3 years ago
How much energy is required to raise the temperature of 3 kg of iron from 20°
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Answer:

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The discovery of a very early form of helium supports the big bang theory because _____.
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Explanation:

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6 0
3 years ago
Read 2 more answers
Convert 5.8 km to the unit mm. <br> 0.0000058 mm <br> 0.0058 mm <br> 5,800 mm <br> 5,800,000 mm
spin [16.1K]
Its going to b 5,800,000 due to each Km being 1,000,000 Mm
Hope this helps :D
5 0
3 years ago
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