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tekilochka [14]
3 years ago
10

Cellular respiration involves a reaction between glucose and oxygen to form

Chemistry
2 answers:
viva [34]3 years ago
7 0

D. All of these. I know for a fact it is D because I just got done learning this in science.

kodGreya [7K]3 years ago
3 0
From my research and own thoughts I think D
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What is the number of atoms in a mole of any element?
ozzi

6.022×10^23 should be correct. Are there any options to choose from?


<u>Avogadros number</u>

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3 years ago
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He rate constant of a reaction is 4.55 × 10−5 l/mol·s at 195°c and 8.75 × 10−3 l/mol·s at 258°c. what is the activation energy o
Xelga [282]

Answer : The activation energy of the reaction is, 17.285\times 10^4kJ/mole

Solution :  

The relation between the rate constant the activation energy is,  

\log \frac{K_2}{K_1}=\frac{Ea}{2.303\times R}\times [\frac{1}{T_1}-\frac{1}{T_2}]

where,

K_1 = initial rate constant = 4.55\times 10^{-5}L/mole\text{ s}

K_2 = final rate constant = 8.75\times 10^{-3}L/mole\text{ s}

T_1 = initial temperature = 195^oC=273+195=468K

T_2 = final temperature = 258^oC=273+258=531K

R = gas constant = 8.314 kJ/moleK

Ea = activation energy

Now put all the given values in the above formula, we get the activation energy.

\log \frac{8.75\times 10^{-3}L/mole\text{ s}}{4.55\times 10^{-5}L/mole\text{ s}}=\frac{Ea}{2.303\times (8.314kJ/moleK)}\times [\frac{1}{468K}-\frac{1}{531K}]

Ea=17.285\times 10^4kJ/mole

Therefore, the activation energy of the reaction is, 17.285\times 10^4kJ/mole

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3 years ago
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6.4g

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Which compound is a saturated hydrocarbon?<br> A) 2-pentanone B) 2-pentene C) pentane D) pentanal
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The answer is the first one because it’s a compound of two words separate when you say it :) hope this helps !
7 0
2 years ago
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