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4 years ago

2) John cut a pineapple into 9-millimeter-wide cubes. How many

Chemistry

2 answers:

Maurinko [17]4 years ago

8 0

Answer:

I think the answer is 729 cubic millimeters.

Sidana [21]4 years ago

4 0

729 cubic millimeters

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During a hurricane, what effect can the ocean have on the beach?

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3 years ago

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 8.10kg of water at 33.9 degree

lions [1.4K]

Answer:

The new temperature of the water bath 32.0°C.

Explanation:

Mass of water in water bath ,m= 8.10 kg = 8100 g ( 1kg = 1000g)

Initial temperature of the water = $T_1=33.9^oC=33.9+273K=306.9 K$

Final temperature of the water = $T_2$

Specific heat capacity of water under these conditions = c = 4.18 J/gK

Amount of energy lost by water = -Q = -69.0 kJ = -69.0 × 1000 J

( 1kJ=1000 J)

$Q=m\times c\times \Delta T=m\times c\times (T_2-T_1)$

$-69.0\times 1000 J=8100 g\times 4.18 J/g K\times (T_2-306.9 K)$

$-69,000.0 J=8100 g\times 4.18 J/g K\times (T_2-306.9 K)$

$T_2=304.86 K=304.86 -273^oC=31.86^oC\approx 32.0^oC$

The new temperature of the water bath 32.0°C.

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4 years ago

What are the 5 steps in nuclear production

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3 years ago

Convert 63.3 kg to grams

Zepler [3.9K]

Answer:

63300

Explanation:

63300

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3 years ago

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