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erik [133]
3 years ago
11

(1) Complete the word equation for the complete combustion of methane in

Chemistry
1 answer:
Deffense [45]3 years ago
6 0

Cooled in ice to help the water vapour condense. Tube 2 – contains lime water, goes cloudy to show the presence of carbon dioxide. Word equation: (hydrocarbon + oxygen → carbon dioxide + water) Methane + oxygen → carbon dioxide + water.

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What is the representative particle of Fe?
Flauer [41]
Well knowing that a representative particle is the smallest unit that would mean an iron atom would be the answer
7 0
3 years ago
Which of the following statements is true about neutrons?
luda_lava [24]

Answer:

A

Explanation:

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5 0
3 years ago
At a certain temperature this reaction follows first-order Kinetics with a rate constant of 0.0660
Juli2301 [7.4K]

Answer:

After 26.0s, the concentration of HI decreases from 0.310M to 0.0558M.

Explanation:

Based on the reaction of the problem, you have as general kinetic law for a first-order reaction:

ln[HI] = -kt + ln [HI]₀

<em>Where [HI] is actual concentration after time t, </em>

<em>k is rate constant </em>

<em>and [HI]₀ is initial concentration of the reactant. </em>

Initial concentration of HI is 0.310M,

K is 0.0660s⁻¹,

And the actual concentration is 0.0558M:

ln[HI] = -kt + ln [HI]₀

ln[0.0558M] = -0.0660s⁻¹*t + ln [ 0.310M]

-1.7148 = -0.0660s⁻¹*t

26.0s = t

<h3>After 26.0s, the concentration of HI decreases from 0.310M to 0.0558M</h3>

<em />

3 0
3 years ago
** WILL MARK BRAINLIEST **
steposvetlana [31]

The answer is excess reactant

4 0
3 years ago
Read 2 more answers
How many molecules are in 11 moles of O2? Watch your significant figures. Question 5 options: A. 6.6 atoms of O2 B. 6.62 x 1024
brilliants [131]

Explanation:

6.62 × 1023 atom of O2 is your answer

please mark as brilliant

3 0
3 years ago
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