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3 years ago

Is water wet? me and my friend are having a debate

2 answers:

7 0

Water is not wet. This is due to it is a liquid that wets things. Once you come into contact with water you become wet. Until then water is liquid and you are dry.

denpristay [2]3 years ago

5 0

Water is <u>not wet</u> because the word wet is a form of liquid/water saturated/soaking the object.

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pychu [463]

Answer:

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7 0

3 years ago

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The enthalpy of vaporization of liquid water at 100°C is 2257 kJ/kg. Determine the enthalpy for apordato of iuod eeat capacity o

igomit [66]

Explanation:

The given data is as follows.

$T_{1} = 100^{o}C$ , $T_{2} = 10^{o}C$

$\Delta H_{vap1}$ = 2257 kJ/kg, $\Delta H_{vap2}$ = ?

For water, $C_{p}$ = 4.184 $kJ/kg ^{o}C$

Formula to calculate heat of vaporization is as follows.

$\Delta H_{vap1} - \Delta H_{vap2}$ = $C_{p}(T_{1} - T_{2})$

Hence, putting the values into the above formula as follows.

$\Delta H_{vap1} - \Delta H_{vap2}$ = $C_{p}(T_{1} - T_{2})$

$2257 kJ/kg - \Delta H_{vap2}$ = $4.184 kJ/kg ^{o}C (100 - 10)^{o}C$

$\Delta H_{vap2}$ = 2257 kJ/kg - 376.56 kJ/kg

= 1880.44 kJ/kg

Thus, we can conclude that enthalpy of liquid water at $10^{o}C$ is 1880.44 kJ/kg.

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3 years ago

Measurements show that the energy of a mixture of gaseous reactants increases by during a certain chemical reaction, which is ca

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<h2>Endothermic and Exothermic</h2>

Explanation:

An exothermic response discharges heat and endothermic absorbs to heat
The whole of the enthalpies of the reactants is more prominent than the product, the response will be exothermic
In the product that the items side has a bigger enthalpy, the reaction is endothermic
An exothermic method is one that emits heat. This heat is transferred to the environment
An endothermic reactions is one in which heat must be provided to the system from the environment

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3 years ago

What is the mass of 4.00 moles of helium

BlackZzzverrR [31]

Answer:

The total mass of four moles of helium (He) is 16.0104 grams.

Explanation:

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What type of reaction occurs without the addition of heat?

maria [59]

The type of reaction that occurs without the addition of heat is called spontaneous reaction. That is option D.

<h3>What is spontaneous reaction?</h3>

Spontaneous reaction is defined as the reaction where by new substances are formed naturally without the addition of extra energy in the form of heat.

Therefore, the type of reaction that occurs without the addition of heat is called spontaneous reaction

Learn more about heat here:

brainly.com/question/13439286

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2 years ago