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Bingel [31]
3 years ago
14

A light bulb contains 0.0560 g of argon gas with a pressure of 1.34 atm at 26.0 c. The light bulb is then turned on and, after a

period of time, the temperature rises to 179c. Calculate the final pressure the light bulb
Chemistry
1 answer:
jenyasd209 [6]3 years ago
7 0

Answer:

Final pressure of light bulb is 2.03 atm.

Explanation:

Given data:

Initial pressure = 1.34 atm

initial temperature = 26 °C

Finial temperature = 179 °C

Final pressure = ?

Formula:

P1/T1 = P2/T2

Solution:

First of all we will convert the °C into kelvin.

179 +273 = 452 K

26 +273 = 299 K

P2 = P1×T2/T1

P2 = 1.34 atm . 452 K / 299 K

P2 = 605.68 atm/ 299

P2 = 2.03 atm

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precipitate is the answer

3 0
3 years ago
You add 50.0 g of ice initially at ‒20.0 °C to 1.00 x 102 mL warm water at 67.0 °C. When all the ice melts, the water temperatur
xxTIMURxx [149]

Answer:

T_2=17.8\°C

Explanation:

Hello,

In this case, we can solve this problem by noticing that the heat lost by the warm water is gained by the ice in order to melt it:

Q_{water}=-Q_{ice}

In such a way, the cooling of water corresponds to specific heat and the melting of ice to sensible heat and specific heat also that could be represented as follows:

m_{water}Cp_{water}(T_2-T_{water})=-m_{ice}\Delta H_{melting,ice}-m_{ice}\Cp_{ice}(T_2-T_{ice})

Thus, specific heat of water is 4.18 J/g°C, heat of melting is 334 J/g and specific heat of ice is 2.04 J/g°C, thus, we can compute the final temperature as shown below:

m_{water}Cp_{water}(T_2-T_{water})+m_{ice}Cp_{ice}(T_2-T_{ice})=-m_{ice}\Delta H_{melting,ice}\\\\T_2=\frac{-m_{ice}\Delta H_{melting,ice}+m_{water}Cp_{water}T_{water}+m_{ice}Cp_{ice}T_{ice}}{m_{water}Cp_{water}+m_{ice}Cp_{ice}} \\\\T_2=\frac{-50.0*334+100*4.18*67+50.0*2.04*-20.0}{100*4.18+50.0*2.04} \\\\T_2=17.8\°C

Best regards.

3 0
3 years ago
OHC-CH2-CH2-CH2-CHO<br><br> What is the IUPAC name of this compound ?
Rufina [12.5K]

Answer:

Pentan_1,5_di-al

Explanation:

OHC-CH₂-CH₂-CH₂-CHO

This is Pentan_1,5_di-al

If we break this compound, we will observe that there is presence aldehyde group and hence the functional group "al". This aldehyde is bonded to carbon 1 and carbon 5 respectively.

Also the pentan is due to presence of 5 carbon atoms.

Therefore, the IUPAC name of this compound (OHC-CH₂-CH₂-CH₂-CHO) is  Pentan_1,5_di-al

5 0
3 years ago
Which scenario is an example of primary succession?
pishuonlain [190]

Answer:

the answer to your question is A

8 0
3 years ago
Which of the following properly lists the metals in order from decreasing to increasing ease of oxidation?
Sloan [31]
I know it is either B or D, since I know that K will oxidize in water, and Ag will have a tougher time oxidizing.  I am going to lean towards D for my answer.
6 0
3 years ago
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