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3 years ago

I drew Katsuki Bakugou a couple minutes ago (I drew it with a pen, the shading was super harddd)

SAT

2 answers:

kolezko [41]3 years ago

6 0

Answer:

AHHH THAT LOOKS SO GOOD

Mandarinka [93]3 years ago

5 0

OMG THAT IS SO GOOD

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If the aluminum block is initially at 25 ∘c , what is the final temperature of the block after the evaporation of the alcohol? a

Bumek [7]

The temperature of an object is how cold or hot it is.

The final temperature is 12.3 degrees Celsius

<h3>How to determine the final temperature </h3>

The given parameters are:

$\Delta H_{vap} = 45.4\ kJ/mol$ --- the heat of vaporization

$C_p = 0.903J/g^oC$ --- the specific heat of Aluminum

$m = 1.12g$ --- the mass of alcohol

$M = 60.1g/mol$ -- the molecular mass of alcohol

Start by calculating the moles of alcohol using:

$Moles = \frac{Mass}{Molecular\ Weight}$

So, we have:

$n = \frac{1.12g}{60.1g/mol}$

$n= 0.0186\ mol$

Next, calculate the amount of heat absorbed by the alcohol using:

$n * \Delta H_{vap} = -m_{alcohol}* C_p * \Delta T$

The mass of alcohol is 73 grams. So, we have:

$0.0186 * 45.4 = -73* 0.903 * \Delta T$

Evaluate the products

$0.84 = -65.92* \Delta T$

Divide both sides by -65.92

$\Delta T = -0.0127$

Express as degrees Celsius

$\Delta T = -12.7$

Also, we have:

$\Delta T = T_i - T_f$ --- the difference in the initial and the final temperatures.

This gives

$-12.7 = T_f - 25$

Collect like terms

$T_f = 25 - 12.7$

$T_f = 12.3$

Hence, the final temperature is 12.3 degrees Celsius

Read more about specific heat at:

brainly.com/question/13709049

8 0

2 years ago

Required courses that build knowledge in a specific field are referred to as:

ZanzabumX [31]

Answer:

Major requirements

Explanation:

Because they are required courses and focus on a subject, generally they are called Majors.

3 0

3 years ago

Which of the following devices is used in this experiment to separate the different wavelengths emitted by the light source?.

mars1129 [50]

Spectroscope separates wavelengths

7 0

2 years ago

Which of the following people is making a decision based on opportunity cost?

vovangra [49]

<span>Ralph does not fix his broken fence because he wants to spend his money on a new TV. </span>

3 0

3 years ago

Read 2 more answers

Correct standard usage is used in this sentence: "Paul's friendship had a strong affect on my life."

valentina_108 [34]

Answer:

I'm not sure if you have any options or what you really need here. but i can tell you that this sentence is not correct.

Explanation:

The word which should be changed is affect. The word affect can only be used as a verb to affect and not as a noun. It should be changed to effect here. It had a strong EFFECT on my life.

5 0

4 years ago