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gulaghasi [49]
3 years ago
15

Food undergoes both physical and chemical changes during digestion. Which parts of the digestive process listed below is a physi

cal change that takes place in the mouth?
Chemistry
1 answer:
sergeinik [125]3 years ago
3 0

Answer:

To answer your question use the code ICE on here to get your answer works every time for me hope this helps

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In the covalent bond between hydrogen and chlorine in the HCl molecule, where will the majority of shared electrons be found?
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B.near the chlorine atom

H→Cl
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Which Kelvin temperatures represent, respectively, the normal freezing point and the normal boiling point of water?
zhenek [66]

Answer:

4. 273 K and 373K.

Explanation:

Conversion from Celsius to Kelvin ..

Kelvin = Celsius + 273

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3 years ago
Weather is influenced by global patterns of atmospheric movement. Winds and
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Winds and ocean currents are evidence for the process of regulating and stabilizing the climate patterns.

<h3>What are winds and ocean currents?</h3>

Ocean current is the flow or movement of water in a direction by gravity, wind, and difference in density of the water.

Wind currents pull water and create ocean currents. The current flow to westwards, which is called Coriolis effect.

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6 0
2 years ago
Manganese sulfate forms a pale pink hydrate with the formula MnSO 4 ⋅ n H 2 O ( s ) . If this hydrate is heated to a high enough
Mama L [17]

Answer:

Value of n in MnSO₄.nH₂O is one.

Explanation:

The n represents the number of moles of water attached to the formula unit manganese sulfate. These moles (n) can be determined by taking the ratio of the moles of anhydrous salt and the moles of water. The moles of water can be determined by taking the difference of final and initial mass of the salt. This difference is equal to the mass of the water, mathematically it can be represented as,

Mass of H₂O = initial mass of the salt (g) - final mass of the salt (g)

Mass of H₂O = 16.260 g - 14.527 g

Mass of H₂O = 1.733 g

moles of H₂O = (1.733 g) ÷ (18.015 g/mole)

moles of H₂O =  0.0962

For the moles of anhydrous salt:

moles of MnSO₄ = mass of MnSO₄ ÷ molar mass of MnSO₄

moles of MnSO₄ = 14.5277 ÷ 151.001

moles of MnSO₄= 0.0962

Now for n:

n = moles of water ÷ moles of MnSO₄

n = 0.0962 ÷ 0.0962

n = 1

The above calculations show that one mole of H₂O is attached to the  one formula unit of MnSO₄

8 0
3 years ago
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