How much heat (in kJ) must be added to 1.34 kg of ice at O'C to convert it to water to

Answers

Answer 1

Answer:

To change 1.34 kg of ice at 0°C to water, you would need to add approximately 448 kJ of heat.

To calculate the amount of heat needed to convert ice at 0°C to water, we use the formula Q = m * Lf. Where Q is the Heat Transfer, m is the mass of the substance (ice in this case), and Lf is the heat of fusion for ice, which is 334 kJ/kg.

Plugging in the values we have: Q = 1.34 kg * 334 kJ/kg = 447.56 kJ.

Therefore, you would need to add approximately 448 kJ of heat to convert 1.34 kg of ice at 0°C to water at the same temperature.

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Answer 2

Answer:

The heat required to convert 1.34 kg of ice at 0°C to water at 0°C is approximately 450.24 kJ.

When the substance freezes (changes from liquid to solid), the same amount of energy is released back into the surroundings. When a substance changes its phase (solid to liquid or liquid to gas) at a constant temperature, the heat required for this process is known as the heat of fusion.

For ice at its meltingpoint (0°C), the heat of fusion is approximately 336 kJ/kg. Thus for 1.34 kg of ice, we can calculate the heat required by using the formula below:

Heat = mass × heat of fusion

Heat = 1.34 kg × 336 kJ/kg

Heat = 450.24 kJ.

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The complete question is -

How much heat (in kJ) must be added to 1.34 kg of ice at 0°C to convert it to water at 0°C

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Answers

Answer: Four $sp^3$ hybridized orbitals will formed when one s-orbital and three p-orbitals combines.

Explanation:

When ever one s-orbital combines with three p-orbitals it gives four $sp^3$ hybridized orbitals.
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sp3
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Answers

Answer : The correct option is A.

Explanation :

Metalloid : Metaloids are the elements whose properties lie between the metals and non-metals.

There are six commonly elements which are boron, silicon, germanium, arsenic, antimony and tellurium. The rare elements are polonium and astatine.

The relation between the group number and period number of metalloid is that the lower the group number, the lower the period numbers and the metalloids are found in a diagonal moving down from left to right in the periodic table.

Answer:

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Explanation:

Search up a periodic table and you will see.

I also took the quiz and got 100.

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Answer:

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Answers

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Answers

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Answers

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