2 years ago

What indicates that two objects are in thermal equilibrium?

Chemistry

1 answer:

Leona [35]2 years ago

4 0

Answer:

Explanation:

equilibrium happens when two things are in complete balance and thermal is in reference to heat so two things are in thermal equilibrium once they have the same temperature.

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Which of the following displays the correct change in enthalpy and best describes the reaction below? 2CsCl(aq) + Na2SO4(aq) 2Na

Bond [772]

We subtract the enthalpies of the reactants from that of the products:
$2\Delta
 H(NaCl)+\Delta H(Cs_2 SO_4)-2\Delta H(CsCl)-\Delta H(Na_2 SO_4) \\ 
=2(-411)+(-1400) -2(-415)-(-1380) \\ = -12 kJ$
Since this is < 0, this is an exothermic reaction.

3 0

2 years ago

If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature? (2005 K)

jolli1 [7]

Answer:

205K

Explanation:

The following were obtained from the question:

n = 4moles

P = 5.6atm

V = 12L

R = 0.082atm.L/Kmol

T =?

PV = nRT

T = PV/nR

T = (5.6 x 12)/ (4 x 0.082)

T = 205K

8 0

2 years ago

Help help help help help help

evablogger [386]

The first option is correct. have fun in earth science i love astronomy!! :)

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2 years ago

1.From the pictures above,which shows a higher temperature?why?<br>2.which has more heat?why?

sineoko [7]

Answer:

The coffee has a higher temperature because a pool is so you can have fun and relax in while coffee can warm you up by drinking it.

Explanation:

Hope it helps :)

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2 years ago

Which two options are examples of waves refecting

sergey [27]

Answer:

A voice echo

Your image in a mirror

Explanation:

hope this helps

8 0

2 years ago