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Levart [38]
3 years ago
14

Write two advantages and two disadvantage of hydrogen​

Chemistry
1 answer:
kykrilka [37]3 years ago
8 0
1.it is readily available since hydrogen is a basic earth element and it's very abundant.
2. It doesn't produce harmful emissions.
Disadvantages
1.it is expensive. It is expensive because it takes a lot of time to separate the element from others.
2.it is difficult to store. Even moving a tiny bit of hydrogen would be very expensive.
3. It is highly flammable. Since it is a very powerful source of fuel, hydrogen can be very flammable.
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A jogger runs at an average speed of 5.9 mi/h.
madreJ [45]

She will cover distance in  3 days and 16 hours .the time will be 3:15 am on the fourth day.

Convert 5.9 miles/hour to feet/hour there are 5,280 feet in a mile

total distance covered  = 47500

distance = rate x time

now,  time = 47500/5280

time =  88 hours

88 hours = 3 Days and 16 Hours.

now the time will be 3 :15 am on the fourth day.

The overall distance the object covers in a given amount of time is its average speed. A scalar value represents the average speed. It has no direction and is indicated by the magnitude.

The distance traveled divided by the time taken is the most popular formula for calculating average speed. The alternative formula is to add the initial and final speeds together, then divide by 2.

Learn more about  distance time problems here: -

brainly.com/question/13269893

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1 year ago
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Why does nuclear charge increase as you go left to right across a period
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What does creativity have to do with Science?​
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creativity is the very element in science that helps us understand things. if we didn't have creative minds, we would never conduct experiments that help us discover things.

hope this helps, good luck!:)

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