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inessss [21]
3 years ago
5

What Is Ethane? Can you help me?

Chemistry
2 answers:
arsen [322]3 years ago
8 0
Ethane is gas used as fuel: a colorless odorless gas that is highly flammable.

I hope this answered your question
anastassius [24]3 years ago
3 0

Answer: an alkane

Explanation:apex

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Which gas is most abundant in Earth’s atmosphere?
scoundrel [369]

Answer:

Nitrogen

Explanation: nitrogen is around 70% of the air hope this helps god bless

3 0
3 years ago
Read 2 more answers
How much heat is needed to condense 22.25 grams of nitrogen gas at â€""195.8°c? the latent heat of vaporization of nitrogen is
Margaret [11]

As per the question, the mass of the nitrogen gas m = 22.25 gram.

The latent heat of vaporization of nitrogen = 199.0 j/g

As per the question, the nitrogen gas will condense. During condensation, the nitrogen gas will lose or release heat equal to its latent heat.

Hence, the heat released by nitrogen gas Q = ml = 22.25 × 199.0 J                                                                           = 4427.75 J.

Hence, the amount of heat released will be 4427.75 J.

<h3>How can you figure out how much heat is in each gram?</h3>

The formula: can be utilized to determine energy. Q = mc ∆T. In the equation, Q stands for energy expressed in joules or calories, m for mass expressed in grams, c for specific heat, and T for temperature change, which is the difference between the final temperature and the initial temperature. Water has a specific heat of 1 calorie/gram °C.

Learn more about energy here:

brainly.com/question/1932868

#SPJ4

8 0
1 year ago
When 20.0 g of KI are dissolved in 50.0 mL of distilled water in a calorimeter, the temperature drops from 24.0 °C to 19.0 °C. C
Reil [10]
<h2>Answer:</h2>

<em>8.67kJ/mol</em>

<h2>Explanations</h2>

The formula for calculating the amount of heat absorbed by the water is given as:

\begin{gathered} q=mc\triangle t \\ q=50\times4.18\frac{J}{g^oC}\times(19-24) \\ q=50\times4.18\times(-5) \\ q=-1045Joules \\ q=-1.045kJ \end{gathered}

Determine the moles of KI

\begin{gathered} moles\text{ of KI}=\frac{mass\text{ of KI}}{molar\text{ mass of KI}} \\ moles\text{ of KI}=\frac{20g}{166g\text{/mol}} \\ moles\text{ of KI}=0.1205moles \end{gathered}

Since heat is lost, hence the enthalpy change of the solution will be negative that is:

\begin{gathered} \triangle H=-q \\ \triangle H=-(-1.045kJ) \\ \triangle H=1.045kJ \end{gathered}

Determine the enthalpy of solution in kJ•mol-1

\begin{gathered} \triangle H_{diss}=\frac{1.045kJ}{0.1205mole} \\ \triangle H_{diss}\approx8.67kJmol^{-1} \end{gathered}

Hence the enthalpy of solution in kJ•mol-1 for KI is 8.67kJ/mol

4 0
1 year ago
What evidence did Alfred wegener use to support his theory of continental drift? I need help!!
Eddi Din [679]
Tokeydrift bro he saw that movie and went errrrrrr with his car
5 0
3 years ago
The specific heat of a substance is the heat that must be absorbed to increase the temperature of 1 gram of a substance by 1 deg
Vlad1618 [11]

Answer:

True.

Explanation:

Specific heat is the amount of heat required to raise one gram of a particular substance by one degree Celsius or Kelvin.

Formula for calculating specific heat is the amount of heat absorbed or released = mass x specific heat x change in temperature.

= m * Cp * delta T

4 0
3 years ago
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