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iragen [17]
3 years ago
7

temperature usually increase when water condenses which behavior of water is most directly responsible for this phenomenon?

Chemistry
1 answer:
aniked [119]3 years ago
3 0

Answer:

Temperature usually increases when water condenses. What behavior of water is most directly responsible for this phenomenon? The release of heat by the formation of hydrogen bonds. Hydrogen bonds stabilize and keep the of ice farther apart than the water molecules of liquid water.

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H3C6H507(aq) + 3NaHCO3(aq) - Na3C6H5O7(aq) + 3C02(g) + 3__
zavuch27 [327]

Answer: 3<u> H₂O</u>

<u />

Explanation:

This is an example of a common chemical reaction

ACID + CARBONATE --> SALT + WATER + CARBON DIOXIDE which implires

CITRIC ACID  + SODIUM BICARBONATE ----> SODIUM CITRATE + WATER + CARBON DIOXIDE .  

The full chemical equation is  given by

H3C6H5O7(aq)  + 3NaHCO3(aq) --> Na3C6H5O7(aq) + 3CO2(g) + 3<u>H2O</u>(l)

The reaction produces a  fizz due to the  release of  carbon dioxide which can be also seem when an Alka-Seltzer® tablet is dissolved in water.

6 0
4 years ago
Read 2 more answers
A 225 g sample of french fries supplies 460 kilocalories of energy. 65% of those calories come from fat, which supplies 9 kiloca
brilliants [131]
The french fries gives 460 kilocalories and <span>65% of those calories come from fat. Then, calorie that comes from fat would be: 65% * 460 kcal= 299 kcal

Fat gives </span>energy about 9kcal/gram. Then, the total mass of fat in the french fries would be: 299 kcal/ (9kcal/g)= 33.22 grams
3 0
4 years ago
Read 2 more answers
Creatinine, , is a by-product of muscle metabolism, and creatinine levels in the body are known to be a fairly reliable indicato
kherson [118]

Answer:

Molality = 0.0862 mole/kg

Explanation:

Molality = (number of moles of solute)/(mass of solvent in kg)

Number of moles of solute = (mass of Creatinine in the blood sample)/(Molar mass of Creatinine)

To obtain the mass of creatinine in 10 mL of blood. We're told that 1 mg of Creatinine is contained in 1 decilitre of blood.

1 decilitre = 100 mL

1 mg of Creatinine is contained in 100 mL of blood

x mg of Creatinine is contained in 10 mL of blood.

x = (1×10/100) = 0.1 mg = 0.0001 g

Molar mass of Creatinine (C₄H₇N₃O) = 113.12 g/mol

Number of moles of Creatinine in the 10 mL blood sample = (0.0001/113.12) = 0.000000884 moles

Mass of 10 mL of blood = density × volume = 1.025 × 10 = 10.25 mg = 0.01025 g = 0.00001025 kg

Molality of normal creatinine level in a 10.0-ml blood sample = (0.000000884/0.00001025)

Molality = 0.0862 moles of Creatinine per kg of blood.

Hope this Helps!!!

7 0
3 years ago
Igneous rocks with an andesitic composition ________.
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Are found along volcanic island arcs
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The unbalanced equation below shows the combustion of methane.
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B. 1, 2, 1, 2. You balance the equation by making sure there are equal elements on both sides.
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