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Orlov [11]
3 years ago
6

HELP FAST 75 PTS Calculate the amount of heat needed to melt 35.0 g of ice at 0 ºC. must show work

Chemistry
1 answer:
victus00 [196]3 years ago
7 0

Answer:

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

Explanation:

Good Luck!

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What is the Ozone Layer?
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A layer above the earth that protects the planet from dangerous UV that are sent from the sun
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when yeast is added to bread dough, it produces carbon dioxide. the pressure of the gas causes the dough to expand. explain how
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Production of carbon dioxide is chemical change
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Br2 + 2LiF → 2LiBr + F2
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1 grams F2 to mol = 0.02632 mol

10 grams F2 to mol = 0.26318 mol

20 grams F2 to mol = 0.52636 mol

30 grams F2 to mol = 0.78954 mol

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3 years ago
If the atmospheric pressure on the top of a mountain is 0.2396 atm, what is the pressure in Kilopascal
arsen [322]

Answer:

24.28 kPa

Step-by-step explanation:

You want to convert atmospheres to kilopascals.

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p = 0.2396 atm × (101.325 kPa/1 atm)

p = 24.28 kPa

4 0
3 years ago
Read 2 more answers
Write a balanced molecular equation for the reaction of<br> sodiummetal with water.
9966 [12]

Answer:

Na + H₂O → NaOH + 1/2 H₂

Explanation:

When sodium reacts with water, it forms sodium hydroxide and molecular hydrogen. The unbalanced equation is:

Na + H₂O → NaOH + H₂

We have to balance this equation so it obeys the law of conservation of mass. We have 1 atom of Na on each side and 1 atom of O on each side, so these elements are balanced. However, we have 2 atoms of H on the left side and 3 atoms of H on the right side. The easiest way to balance the H without modifying the other elements is by making 1/2 the stoichiometric coefficient of H₂.

Na + H₂O → NaOH + 1/2 H₂

5 0
3 years ago
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