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3 years ago

What are some of the unique properties of water?

Chemistry

2 answers:

Zepler [3.9K]3 years ago

4 0

Answer:

Water molecules are polar, so they form hydrogen bonds. This gives water unique properties, such as a relatively high boiling point, high specific heat, cohesion, adhesion and density

Explanation:

Vlad [161]3 years ago

4 0

It dosent have a taste and it clenches thirst

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__Ca(OH)2 + __ (NH4)2SO4 ----- > ___CaSO4 + ___NH3 + __H2O A)11 B)5 C)7 D)9

katovenus [111]

There would be a 2 infront of the NH3 and and 2 Infront of the H2O

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3 years ago

What amount of heat is released when the temperature of 450.0 g of a

Molodets [167]

Answer:

$\boxed {\boxed {\sf 4038.48 \ Joules}}$

Explanation:

Since we are given the mass, specific heat, and change in temperature, we should use this formula for heat:

$q=mc\Delta T$

The substance's mass is 450.0 grams, the specific heat is 1.264 J/g°C, and the change in temperature is 7.1 °C.

$m= 450.0 \ g \\c= 1.264 \ J/g \textdegree C\\\Delta T= 7.1 \ \textdegree C$

Substitute the values into the formula.

$q= (450.0 \ g)(1.264 \ J/g \textdegree C)(7.1 \ \textdegree C)$

Multiply the first 2 values together. The grams will cancel out.

$q= 568.8 \ J/ \textdegree C (7.1 \ \textdegree C)$

Multiply again. This time, the degrees Celsius cancel out.

$q= 4038.48 \ J$

4038.48 Joules of heat energy are released.

5 0

3 years ago

La TEMPERATURA es un cambio físico o Químico?

gladu [14]

La temperatura es un cambio físico

6 0

3 years ago

what is the technique for testing different chemicals known as ? it says that when they were burnt, they gave off a different co

docker41 [41]

Answer:

A flame test is an analytical procedure used in chemistry to detect the presence of certain elements, primarily metal ions, based on each element's characteristic emission spectrum. The color of flames in general also depends on temperature; see flame color.

Explanation:

I hope it's help u ;)

4 0

3 years ago

Which happens when water freezes?

hodyreva [135]

Answer:

B) water changes to ice

Explanation:

since its already water, it cant be anything beginning with steam.

3 0

3 years ago