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Oksana_A [137]
3 years ago
8

Describe one way in which advances in space technology have improved our understanding of objects in space.

Chemistry
1 answer:
Anika [276]3 years ago
7 0

Answer:

Technology helps us in many ways.

Explanation:

We can now research the world even more effectively and at a higher level of sophistication thanks to technological advancements. Telescopes, on the other hand, enable us to peer into the far corners of the universe and detect very large objects such as stars. Electron microscope enable us to see smaller objects such as cells and organisms.

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victus00 [196]

Answer:

It takes 12,000 Joules of energy to melt 35 grams of ice at 0 °C

Explanation:

Good Luck!

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The purpose of a machine is to decrease the work needed. TRUE/FALSE
aniked [119]

Answer:

False.

Explanation:

A machine does not decrease the work needed. It simply makes the work easier or changes how the work is done.

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3. A student measured 15.0 grams of ice in a beaker. The beaker was then
gregori [183]

Answer:

The heat that was used to melt the 15.0 grams of ice at 0°C is 4,950 Joules

Explanation:

The mass of ice in the beaker = 15.0 grams

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The final temperature of the ice = 0°C

The latent heat of fusion of ice = 330 J/g

The heat required to melt a given mass of ice = The mass of the ice to be melted × The latent heat of fusion of ice

Therefore, the heat, Q, required to melt 15.0 g of ice = 15.0 g × 330 J/g = 4,950 J

The heat that was used to melt the 15.0 grams of ice = 4,950 Joules.

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3 years ago
Problems in Context Which separation method is operating in each of the following procedures? (a) Pouring a mixture of cooked pa
Serga [27]

Answer:

( a ) Filtration

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Explanation:

( a ) Filtration

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( b ) sugar refining

The raw sugar can be purified from the process of sugar refining .

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3 years ago
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