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2 years ago

Describe the symmetry of a cubic crystal?

Chemistry

2 answers:

yKpoI14uk [10]2 years ago

8 0

Answer:

identifying repeatibg parts of molecules and simplifying both data collected and all calculations

alukav5142 [94]2 years ago

4 0

Answer:

It is an imaginary plane which passes through the molecule and divides it into portions which are exactly the superimposable mirror images of each other.

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What is the difference between radiant energy,sound energy and electric energy?

aleksandr82 [10.1K]

Answer:

Radiant Energy - is a combination of heat and light energy. Light energy, like sound energy, travels out in all directions in waves. ... Electrical Energy - Energy produced by electrons moving through a substance is known as electrical energy. We mostly see electric energy in batteries and from the outlets in our homes.

Explanation:

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2 years ago

Convert 205 L to ul.

Sloan [31]

Answer: 205000000 microliter

Hope this helps!

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3 years ago

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Alona [7]

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3 years ago

A 45-g aluminium spoon(specific heat 0.80 / J/gdegree Celsius) at 24 degree celsius is placed in 180 ml(180 grams) of coffee at

Vlad [161]

Explanation:

a) The amount of heat released by coffee will be absorbed by aluminium spoon.

Thus, $heat_{absorbed}=heat_{released}$

To calculate the amount of heat released or absorbed, we use the equation:

$Q=m\times c\times \Delta T=m\times c\times (T_{final}-T_{initial})$

Also,

$m_1\times c_1\times (T_{final}-T_1)=-[m_2\times c_2\times (T_{final}-T_2)]$ ..........(1)

where,

q = heat absorbed or released

$m_1$ = mass of aluminium = 45 g

$m_2$ = mass of coffee = 180 g

$T_{final}$ = final temperature = ?

$T_1$ = temperature of aluminium = $24^oC$

$T_2$ = temperature of coffee = $85^oC$

$c_1$ = specific heat of aluminium = $0.80J/g^oC$

$c_2$ = specific heat of coffee= $4.186 J/g^oC$

Putting all the values in equation 1, we get:

$45 g\times 0.80J/g^oC\times (T_{final}-24^oC)=-[180 g\times 4.186J/g^oC\times (T_{final}-83^oC)]$

$T_{final}=80.30^oC$

80.30 °C is the final temperature.

b) Energy flows from higher temperature to lower temperature.Whenever two bodies with different energies and temperature come in contact. And the resulting temperature of both bodies will less then the body with high temperature and will be more then the body with lower temperature.

So, is our final temperature of both aluminium and coffee that is 80°C less than initial temperature of coffee and more than the initial temperature of the aluminum.

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2 years ago

Please help! will mark brainliest

Step2247 [10]

Answer:

add me!!!

Explanation:

my insta is: becomewhatyouwant2inlife

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2 years ago