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PilotLPTM [1.2K]
3 years ago
7

Solve the following division problem: (3.4 x 10^7)/(6.8 x 10^3) =

Chemistry
1 answer:
eduard3 years ago
8 0

Answer:

5000

Explanation:

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Gases generally have Group of answer choices low density closely packed particles no decrease in volume when pressure is increas
dsp73

Answer:

Low density

Explanation:

The answer to this question is low density as Gases in general have low densities as their particles are very far apart. Their inter-molecular spaces are actually large. And The number of molecules per unit volume in a gas are small when we put them in comparisons with solids and liquids. That is why they have low densities.

I hope this answers your question.

4 0
3 years ago
Balance the chemical equation : CH₄ + O₂ → CO₂ + H₂O
s344n2d4d5 [400]

<u>Answer</u>:

balanced equation: CH₄ + 2O₂ → CO₂ + 2H₂O

<u>Explanation</u>:

Given sample: CH₄ + O₂ → CO₂ + H₂O

  • The carbon is same, so no need to change.
  • Hydrogen 2 less on left side so putted "2" before H₂O = "2H₂O"
  • so now, there is total 4 oxygen on left side to balance put 2 before right side oxygen like this "2O₂"

changes applied: CH₄ + <u>2</u>O₂ → CO₂ + <u>2</u>H₂O

3 0
3 years ago
Coal, which is primarily carbon, can be converted to natural gas, primarily CH4, by the following exothermic reaction: C(s)+2H2(
LuckyWell [14K]

Answer:

A. The reaction will proceed forward forming more CH4

B. The reaction will proceed forward forming more CH4

C. Since the reaction is exothermic, raising the temperature will cause the reaction to proceed backward, thus forming C and H2.

D. Lowering the volume makes the gas particles to be more close together thereby enhancing their collisions leading to reaction. Therefore the reaction will proceed forward forming more CH4

E. Catalyst only reduce the activation energy so the reaction can proceed faster. The reaction will proceed forward forming.

F. The following will favour CH4 at equilibrium

i. Catalyst to the reaction mixture,

ii. Both adding more H2 to the reaction mixture and lowering the volume of the reaction mixture

iii. Adding more C to the reaction mixture.

4 0
3 years ago
A change in an objects position is called​
Dvinal [7]

Answer: are there any answer choices? If not I think MOTION

Explanation: hope that’s right, have a great day!! :)

8 0
3 years ago
Which of the following elements would be very stable and have all of their valence electrons? Choose all that apply.
Maslowich
Can i see the picture
5 0
3 years ago
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