please help me within five minutes Science Assignment Help

please help me within five minutes Science Assignment Help. please help me within five minutes Science Assignment Help.


(/0x4*br />

The rate constant is 2.84×10-3 L mol-1 s-1 at 335.0°C and 3.48×10-2 L mol-1 s-1 at 528.0°C.

Calculate the rate constant k at 413.0°C for this reaction.

Calculate the pre-exponential factor A for this reaction.

please help me within five minutes Science Assignment Help[supanova_question]

Chemistry one true/false Science Assignment Help

QUESTION 1

  1. The Lewis structure of the carbonate ion is an example of a resonance structure.

[supanova_question]

please answer on this question thanks Mathematics Assignment Help

<span style='font-size:14.0pt;
mso-bidi-font-size:12.0pt;mso-fareast-font-family:”Times New Roman”;mso-fareast-theme-font:
minor-fareast’>

<p class="MsoNormal" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;
text-align:center;line-height:150%”>x

<p class="MsoNormal" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;
text-align:center;line-height:150%”>y

<p class="MsoNormal" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;
text-align:center;line-height:150%”>-2

<p class="MsoNormal" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;
text-align:center;line-height:150%”>

 

<p class="MsoNormal" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;
text-align:center;line-height:150%”>-1

<p class="MsoNormal" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;
text-align:center;line-height:150%”>

 

<p class="MsoNormal" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;
text-align:center;line-height:150%”>0

<p class="MsoNormal" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;
text-align:center;line-height:150%”>

 

<p class="MsoNormal" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;
text-align:center;line-height:150%”>3

<p class="MsoNormal" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;
text-align:center;line-height:150%”>

 

[supanova_question]

please help me within five minutes Science Assignment Help

Calculate the rate constant (with appropriate units) for a first order reaction which is 30.0% complete in 363 s.

How long will it take for the reaction to go to 95.5% completion? 

The rate-controlling step is the slowest step in a reaction mechanism. 

[supanova_question]

please help me within five minutes Science Assignment Help

 The activation energy can be decreased by addition of a catalyst. 

The energy of activation equals the energy released in an exothermic reaction.

The activation energy depends upon the concentrations of reactants. 

true or false.

[supanova_question]

[supanova_question]

Question5 Science Assignment Help

  1. Which of the molecules below must be shown with resonance structures?I. C2H2II. COIII. CO2

Question5 Science Assignment Help[supanova_question]

Question5 Chemistry Science Assignment Help

  1. Which of the molecules below must be shown with resonance structures?I. C2H2II. COIII. CO2

[supanova_question]

The molecular geometry of Cl2 is: Science Assignment Help

  1. The molecular geometry of Cl2 is:

[supanova_question]

Question 9 chemistry Science Assignment Help

  1. The molecule H2O is arranged in a linear molecular geometry.

[supanova_question]

Chemistry TRUE/ FALSE Science Assignment Help

  1. The molecule BH3 is arranged in a trigonal planar molecular geometry.
  1. Barium is an exception to the octet rule and will hold a maximum of four electrons in its valence shell.

[supanova_question]

please help me within five minutes Science Assignment Help

please help me within five minutes Science Assignment Help

× How can I help you?