Homework Answers
Heat = ms∆T
For Hg
Heat released = 100×0.14×10
= 140 J
In case of Benzene
Heat released = 100×1.75×10
= 1750 J
So it is correct. 100 g of Benzene gives off more heat. (B)
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Hi, can someone check if I did the chart right? and also the work thanks. Use...
Hi, can someone check if I did the chart right? and also the
work thanks.
Use the table below to identify the type of metal in the Spede et Water quid Vane Iron Cooper Aluminum 0.09 O.RS Lead 0.214 0.17 Unknown metal Mass of metal ) 29.5g Initial temperature of metalo 180. "C 125 g IF Mass of water in the calorimeter) Initial temperature of water in the calorimeter (°C) Final temperature of water and metal (C) Change in water...
i think i have the right idea here, but if someone could point me in the...
i think i have the right idea here, but if someone could point
me in the right direction before i start filling it out I would
REALLY appreciate it.
Assignment: Supply and Demand Changes - Part 1 Principles of Macroeconomics Suppose we are analyzing the market for gasoline. Graphically illustrate the impact each of the following would have on demand or supply. Show how equilibrium price and quantity have changed on the diagram and beside the diagram, ceteris paribus. a....
hi pls help me answer this question I can't get it right | Review Constants |...
hi pls help me answer this question I can't get it
right
| Review Constants | Periodic Part A An ice bag containing 268 g of ice at 0° C was used to treat sore muscles. When the bag was removed, the ice had melted and the liquid water had a temperature of 15.0°C(specific heat of water 4.184 J/g°C). Heat Heat of Melting Boiling Liquid Formula Point Fu Point porization (°C) sion (°C) (J/g) How many kilojoules of heat were...
Hi everyone! Can someone do part c) and give me an explanation on it? Could you...
Hi everyone! Can someone do part c) and give me an explanation
on it? Could you also do a) and b) too. Thanks!
8. (18 pts) A microwave oven uses a klystron to make the radiation used by the oven. Your microwave oven produces radiation with a wavelength () of 1.56 cm. a) What is the energy (in J) of a single photon of wavelength 1.56 cm? b) What is the frequency (in s') of that photon? c) You place...
Could someone please answer both parts of this question for me! I have no idea how...
Could someone please answer both parts of this question for me!
I have no idea how to do it. Thanks!
<Ch17rev Item 10 10 of 11 > Review Constants 1 Periodic Table Consider the following reaction: 2 NO(g) + O2(g) = 2 NO2 (9) Part A The data in the table show the equilibrium constant for this reaction measured at several different temperatures. Use the data to find A. Hº for the reaction. Temperature/ K 400 IVO AQ O ?...
Can someone please help me with this one? i have no idea my answer is incorrect.thank...
Can someone please help me
with this one? i have no idea my answer is incorrect.thank you so
much
plaintiff is able to return to work. The jury has already decided in favor of the plaintiff. You are the foreperson of the jury and propose that the jury give the plaintiff an award to cover the following: (a) The present value of two years' back pay. The plaintiff's annual salary for the last two years would have been $35,000 and...
Can someone please help with this question! I have no idea how to do it. Determine...
Can someone please help with
this question! I have no idea how to do it.
Determine the value of angle θ and the tension in the cables Ta, Tec &TCD,required for equilibrium. Express your answer to three significant figures and include the appropriate units. 1. 20° 10° 150 lb 60 1b W 60x9.8 588 ACOS 10° + 588-cos 20, 1440*cos ¢ : O 1490 사다。 21 150米9.8 Shine - 1585/b =
I just need help or an idea on how I can divide the slides I have...
I just need help or an idea on how I can divide the slides I
have a tendency of focusing too much on one subject but not hitting
every topic so I’m not looking for someone to do the work for me
and just looking for an idea about the way I can kind of focus
individually on each topic so that The amount of information is
even
There are two projects in the course. What is the purpose of...
Hi everyone! Can someone solve these and explain them? I haven't solved any questions like these....
Hi everyone! Can someone solve these and explain them? I
haven't solved any questions like these. Thank you!
You have a coffee cup calorimeter (isolated system, heat is measured at constant pressure mix two solutions (Ti-22.07 °C) in the coffee cup. Solution 1 is 50,0 mL - 50.0 B) of HI. Solution 2 is 50.0 mL (50.0 g) of UNKNOWN MOLARITY of LiOH. You kn the LiOH solution is the limiting reagent. Upon mixing the temperature of the mixture cup...
Please show me your work for L. I have the correct answer but i do not...
Please show me your work for L. I have the correct
answer but i do not know how to get to it. Please explain. Thank
you, I will rate.
Da POINTS 3/3 POINTS PREVIOUS ANSWERS PREVIOUS ANSWERS ASK YO A new liquid substance has been discovered that freezes at 25°C. A scientist poured the liquid (which was at 25°C) into a 0.678 kg cup (the cup was at -34°C) which caused som of the liquid to freeze (only 0.247 kg...
Hi, can someone check if I did the chart right? and also the
work thanks.
Use the table below to identify the type of metal in the Spede et Water quid Vane Iron Cooper Aluminum 0.09 O.RS Lead 0.214 0.17 Unknown metal Mass of metal ) 29.5g Initial temperature of metalo 180. "C 125 g IF Mass of water in the calorimeter) Initial temperature of water in the calorimeter (°C) Final temperature of water and metal (C) Change in water...
i think i have the right idea here, but if someone could point
me in the right direction before i start filling it out I would
REALLY appreciate it.
Assignment: Supply and Demand Changes - Part 1 Principles of Macroeconomics Suppose we are analyzing the market for gasoline. Graphically illustrate the impact each of the following would have on demand or supply. Show how equilibrium price and quantity have changed on the diagram and beside the diagram, ceteris paribus. a....
hi pls help me answer this question I can't get it
right
| Review Constants | Periodic Part A An ice bag containing 268 g of ice at 0° C was used to treat sore muscles. When the bag was removed, the ice had melted and the liquid water had a temperature of 15.0°C(specific heat of water 4.184 J/g°C). Heat Heat of Melting Boiling Liquid Formula Point Fu Point porization (°C) sion (°C) (J/g) How many kilojoules of heat were...
Hi everyone! Can someone do part c) and give me an explanation
on it? Could you also do a) and b) too. Thanks!
8. (18 pts) A microwave oven uses a klystron to make the radiation used by the oven. Your microwave oven produces radiation with a wavelength () of 1.56 cm. a) What is the energy (in J) of a single photon of wavelength 1.56 cm? b) What is the frequency (in s') of that photon? c) You place...
Could someone please answer both parts of this question for me!
I have no idea how to do it. Thanks!
<Ch17rev Item 10 10 of 11 > Review Constants 1 Periodic Table Consider the following reaction: 2 NO(g) + O2(g) = 2 NO2 (9) Part A The data in the table show the equilibrium constant for this reaction measured at several different temperatures. Use the data to find A. Hº for the reaction. Temperature/ K 400 IVO AQ O ?...
Can someone please help me
with this one? i have no idea my answer is incorrect.thank you so
much
plaintiff is able to return to work. The jury has already decided in favor of the plaintiff. You are the foreperson of the jury and propose that the jury give the plaintiff an award to cover the following: (a) The present value of two years' back pay. The plaintiff's annual salary for the last two years would have been $35,000 and...
Can someone please help with
this question! I have no idea how to do it.
Determine the value of angle θ and the tension in the cables Ta, Tec &TCD,required for equilibrium. Express your answer to three significant figures and include the appropriate units. 1. 20° 10° 150 lb 60 1b W 60x9.8 588 ACOS 10° + 588-cos 20, 1440*cos ¢ : O 1490 사다。 21 150米9.8 Shine - 1585/b =
I just need help or an idea on how I can divide the slides I
have a tendency of focusing too much on one subject but not hitting
every topic so I’m not looking for someone to do the work for me
and just looking for an idea about the way I can kind of focus
individually on each topic so that The amount of information is
even
There are two projects in the course. What is the purpose of...
Hi everyone! Can someone solve these and explain them? I
haven't solved any questions like these. Thank you!
You have a coffee cup calorimeter (isolated system, heat is measured at constant pressure mix two solutions (Ti-22.07 °C) in the coffee cup. Solution 1 is 50,0 mL - 50.0 B) of HI. Solution 2 is 50.0 mL (50.0 g) of UNKNOWN MOLARITY of LiOH. You kn the LiOH solution is the limiting reagent. Upon mixing the temperature of the mixture cup...
Please show me your work for L. I have the correct
answer but i do not know how to get to it. Please explain. Thank
you, I will rate.
Da POINTS 3/3 POINTS PREVIOUS ANSWERS PREVIOUS ANSWERS ASK YO A new liquid substance has been discovered that freezes at 25°C. A scientist poured the liquid (which was at 25°C) into a 0.678 kg cup (the cup was at -34°C) which caused som of the liquid to freeze (only 0.247 kg...
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