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Art [367]
3 years ago
8

For the energy diagram of the chemical reaction depicted here, which of the following is the best conclusion?

Chemistry
2 answers:
My name is Ann [436]3 years ago
8 0

Answer: B The reaction is exothermic

Eddi Din [679]3 years ago
5 0

Answer:

B

Explanation:

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Lerok [7]

Answer:add solid l and k

Explanation:

6 0
2 years ago
Why does ammonia gas diffuse faster than hydrogen chloride gas?
Yakvenalex [24]
The ammonia gas, having a lower molecular weight than the hydrogen chloride, will diffuse faster and travel a greater length of the tube. Consequently, the white ring of ammonium chloride will form much closer to hydrochloric acid end of the tube. Which in conclusion your answer will be D :)
4 0
2 years ago
Which of the following statements best compares the wavelengths of the regions of the electromagnetic spectrum? O Microwaves are
scZoUnD [109]

Answer:

infrared waves are longer than gamma rays

Explanation:

according to the order :

radio, microwaves, infrared, light, ultraviolet, X-ray, gamma rays

radio waves have the highest wavelenght and lowest frequency, gamma rays have the highest frequency and lowest wavelength.  

5 0
3 years ago
Do all substances absorb heat the same way?
miv72 [106K]

Since particles are closer together, solids conduct heat better than liquids or gases. Conduction moves heat through a material. It keeps a fire going by spreading the heat through solid material. Radiation is a method of heat transfer that does not require particles to carry the heat energy.


5 0
3 years ago
Caculate the number if moles of the following: 800. g of Ca
Maru [420]
Mole   is  equal  to   mass  of  the  element  divided  by   molar  mass  of  the  element.  that   is
mole=mass/molar  mass
From  periodic  table calcium  has  a   molar  mass  of  40   g/mol
moles  is   therefore  =800g/40g/mol=20moles
3 0
2 years ago
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