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Scorpion4ik [409]
3 years ago
7

What do liver cells do?

Chemistry
1 answer:
marin [14]3 years ago
4 0
The liver cells produce proteins to avoid blood clotting. They also break down old or damaged blood cells.
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Calculate the energy required to melt 21 g of ice at 0 oC.
vladimir1956 [14]

<u>We are given:</u>

Mass of ice = 21 grams

The ice is already at 0°c, the temperature at which it melts to form water

Molar heat of fusion of Ice = 6.02 kJ/mol

<u>Finding the energy required:</u>

<u>Number of moles of Ice: </u>

Molar mass of water = 18 g/mol

Number of moles = given mass/ molar mass

Number of moles = 21 / 18 = 7/6 moles

<u>Energy required to melt the given amount of ice:</u>

Energy = number of moles * molar heat of fusion

Energy = (7/6) * (6.02)

Energy = 7.02 kJ OR 7020 joules

7 0
3 years ago
When we write the formula for an ionic compound, we are merely indicate the "molecules" in the compound with that formula. expla
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When writing an ionic compound formula, a "molecular" form is used.  The formula is made with allowance for ion charges.
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Ca²⁺ and NO₃⁻ ⇒ Ca(NO₃)₂
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4 years ago
Some kayakers coat the bottom of their kayaks with wax to make them more slippery. Kayakers wax their boats to
Sindrei [870]
The answer is : C. reduce their input force
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If you were to travel from the surface to the center of Earth, the temperature would
nataly862011 [7]

Answer:

increase dramatically(a lot).

Explanation:

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