2 years ago

Convection is said to occur in _______ , which includes liquids and gases.

Chemistry

1 answer:

Arte-miy333 [17]2 years ago

4 0

Pls help i need pointsthe answer is

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What is the specific latent heat of fusion of ice if it takes 863 kJ to convert 4.6 kg of ice into water at 0 C?

allochka39001 [22]

Answer:

$1^{f} =187.7 \frac{J}{kg}$

Explanation:

SO in order to calculate the specific latent heat of fusion, you need to remember the formula:

$1^{f} =\frac{Q}{m}$

Where $1^{f}$ representes the specific latent heart of fusion.

$Q$ represents the heat energy added, usually represented in kJ

$m$ represents the mass of the object, in kg.

Now that we have our formula we just have to put our values into the formula:

$1^{f} =\frac{Q}{m}$

$1^{f} =\frac{863kJ}{4.6kg}$

$1^{f} =187.7 \frac{J}{kg}$

SO our answer would be $1^{f} =187.7 \frac{J}{kg}$

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3 years ago

what is the percent by mass concentration of a solution that contains 5.30 grams of salt dissolved in 19.7 g of water

neonofarm [45]

Answer:

0.212

Explanation:

(5.30g) / (5.30g + 19.7g)

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2 years ago

From these four cycles which are water cycle, carbon cycle, nitrogen cycle, and phosphorus cycle which cycle has more nutrients

agasfer [191]

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Nitrogen cycle

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3 years ago

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valentinak56 [21]

Inorganic molecules are composed of other elements. They can contain hydrogen or carbon, but if they have both, they are organic.

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inysia [295]

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The fungus has grown larger

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Because where the orange is in the fridge and even normally you out oranges on the counter or in a bowl, where it's in the fridge it got old faster.

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