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Phoenix [80]
3 years ago
10

How can I find the velocity?

Chemistry
2 answers:
34kurt3 years ago
3 0

Answer:

The formula for velocity is v = Δs/Δt

Explanation:

Velocity equals change in speed divided by change in time.

Serggg [28]3 years ago
3 0

Answer:

To figure out velocity, you divide the distance by the time it takes to travel that same distance, then you add your direction to it. For example, if you traveled 50 miles in 1 hour going west, then your velocity would be 50 miles/1 hour westwards, or 50 mph westwards.

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11) What is the volume of 4.92 grams of hydrogen gas at STP? (Show the work using dimensional analysis)
lorasvet [3.4K]

Answer:

The volume of 4.92 grams of hydrogen gas at STP is 9.105 litter.

Explanation:

We know that, the molecular weight of hydrogen gas (H_{2} ) = 1\times 2 = 2.

Moles of hydrogen gas = \frac{weight}{molecular weight}  = \frac{4.92}{2} = 2.46 moles.

At STP, 1 mole of hydrogen gas = occupies 22.4 litter

    So, 2.46 mole of hydrogen gas = occupies \frac{22.4}{2.46} = 9.105 litter.

Hence, the volume of 2.46 grams of hydrogen gas at STP is 9.105 litter.

4 0
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Oil floats on the surface of water but mercury sinks. why?​
andrew-mc [135]

Answer:

Because if the object weighs more than the volume when it is placed in the water it will sink. If this object weighs less than the volume of water, it will float. This depends mostly on the type of item.

8 0
2 years ago
Which ions in flint water caused the protective layer inside the pipes to break down?
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6 0
3 years ago
How does the law of conservation of mass apply to this reaction: C2H4 + O2 → H2O + CO2?
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3 years ago
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