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rosijanka [135]
2 years ago
11

Convert 296 degrees Celsius to Kelvin. A. 23 K B. 552 K C. 569 K D. 550 K

Chemistry
2 answers:
katovenus [111]2 years ago
7 0

Answer:

option c) 552 K is correct

Explanation:

we know that

0° C +273= 273 K

so

296° C+273=569 K

MakcuM [25]2 years ago
7 0

{ \qquad\qquad\huge\underline{{\sf Answer}}}

<h3><u>Conversion</u> : </h3>

Let the temperature be x in degree celcius (°C)

\qquad \sf  \dashrightarrow \: x °C = (x + 273.15) K

Now, put the value of temperature in Celsius and you will get the temperature in Kelvin.

\qquad \sf  \dashrightarrow \: 296°C = (296+ 273.15) K

\qquad \sf  \dashrightarrow \: 296°C = 569.15 \:  \: K

it's approximately equal to :

\qquad \sf   \approx 569 \:  \: K

So, correct choice is B

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At what temperature would 2.10moles of N2 gas have a pressure of 1.25atm and fill a 25.0 L tank
hodyreva [135]

Answer:

\large \boxed{\text{-92 $^{\circ}$C}}

Explanation:

We can use the Ideal Gas Law and solve for T.

pV = nRT

Data  

p = 1.25 atm

V = 25.0 L

n = 2.10 mol

R = 0.082 06 L·atm·K⁻¹mol⁻¹

Calculations

1. Temperature in kelvins

\begin{array} {rcl}pV & = & nRT\\\text{1.25 atm} \times \text{25.0 L} & = & \rm\text{2.10 mol} \times 0.08206 \text{ L}\cdot\text{atm}\cdot\text{K}^{-1}\text{mol}^{-1} \times T\\31.25&=&0.09847T\text{ K}^{-1}\\T& = &\dfrac{31.25}{\text{0.098 47 K}^{-1}}\\\\& = &\text{181 K}\end{array}

2. Temperature in degrees Celsius

\begin{array} {rcl}T & = & (181 - 273.15) \, ^{\circ}\text{C}\\& = & -92 \, ^{\circ}\text{C}\\\end{array}\\\text{The temperature of the gas is $\large \boxed{\mathbf{-92 \, ^{\circ}}\textbf{C}}$}

8 0
3 years ago
3 points
VLD [36.1K]

Answer:

<h3>The answer is 8.29 %</h3>

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual density = 19.30g/L

error = 20.9 - 19.3 = 1.6

We have

p(\%) =  \frac{1.6}{19.3}  \times 100 \\  = 8.290155440...

We have the final answer as

<h3>8.29 %</h3>

Hope this helps you

5 0
3 years ago
Qué permite las reacciones de redox
liberstina [14]

Explanation:

I am not understanding your question

5 0
3 years ago
Summarize the relationship between an electron's energy level and its location in an atom
FromTheMoon [43]

Answer:

The further an electron is from the nucleus. the greater its energy level.

Explanation:

When an electron is close to the nucleus, it is at as low an energy level as it can get.

We must put energy into an electron to pull it away from the attraction of a nucleus.

So, electrons that are further from the nucleus are at higher energy levels.

6 0
3 years ago
If a combination reaction takes place between potassium and chlorine what is the product
zepelin [54]
It would be potassium chloride or kcl
4 0
3 years ago
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