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Xelga [282]
3 years ago
5

If we know the specific heat of a material, can we determine how much heat is released under a given set of circumstances?

Chemistry
1 answer:
Alekssandra [29.7K]3 years ago
6 0

Answer:

Yes

Explanation:

literally have no idea i just got it right on ck-12 lol

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PLEASE HELP ASAP
Inessa05 [86]

The enthalpy change for the reaction 2K + S + K2S using the following thermochemical reactions is mathematically given as

dn=70.7kg

<h3>What is the enthalpy change for the reaction?</h3>

Generally, the equation for the  Chemical reaction is mathematically given as

2k+s----->K2S

Therefore

KS+K----->K2S

Therefore

dn=dn1+dn2

dn=32.5+38.2

dn=70.7kg

In conclusion,  the enthalpy change is

dn=70.7kg

Read more about Chemical reaction

brainly.com/question/16416932

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4 0
2 years ago
What percentage of electricity comes from fossil fuels
Nina [5.8K]

Answer:

84%

Explanation:

Fossil Fuels Supply 84 Percent Of Worlds Electricity

8 0
2 years ago
A spacecraft is traveling at a speed of 2.3 km/sec. It takes 2.5 minutes to pass a small asteroid. how wide is the asteroid (i.e
lidiya [134]

<u>Answer:</u> The spacecraft traveled 345 km during the given time.

<u>Explanation:</u>

To calculate the distance of spacecraft, we use the equation:

\text{Velocity}=\frac{\text{Distance}{\text{Time}}

We are given:

Velocity = 2.3 km/sec

Time = 2.5 mins = 150 sec             (Conversion factor: 1 min = 60 sec)

Putting values in above equation, we get:

\text{Distance}=(2.3km/s\times 150s)=354km

Hence, the spacecraft traveled 345 km during the given time.

4 0
3 years ago
The temperature of a star determines its (science)
Anna007 [38]
The answer would be color. The temperature affects the brightness and the shade of the star.
4 0
3 years ago
What would be the volume of 12 moles of a gas at STP
Doss [256]
Using PV=nRT
you get 268.976268L
=270L
5 0
3 years ago
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