-2.09595 x (T2-95.6) degrees celcius=104.5 x (T2-25) degrees celcius

I am trying to solve for T2 

Calculate the standard enthalpy change for the net reaction from the following chemical equations and standard enthalpy changes. 

A) 2C+O2-->2CO. =-221.0KJ

B) C+O2-->2CO2. = -393.5KJ

C) 2H2+O2-->2H2O. =-483.6KJ

NET: CO+H2+O2-->CO2+H2O =?

2 conducting spheres have identical surface areas. sphere A has charge of 4.50 uc. sphere B has a charge of -2.40 uc. spheres A nd B are brought into momentary contact and separated to a distance of 2.50 cm

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You are travelling down a highway at 110km/h when you notice a turn up ahead that you will need to slow down for. You apply your breaks, which you know causes an acceleration of 2.15m/s^2 for 6.8s. Determine the final velocity 

my daughter just finished ELA 10-1 with and overall grade of 65% We both feel she could use some help before moving on. If she were do redo some of the assignments and post them here would anyone there be able to provide feedback for improvement?

Given the reaction 2SO₂ + O₂ ---> 2SO₃

Eq constant is 2.8X10² at 727  $^{\circ}$^? C 

Is the percentage of sulfur dioxide that reacts with oxygen at this temperature relatively large or relatively small? How does the percentage of SO_2(g) that reacts compare with the percentage of O_2(g)  that reacts?

What is the H₃O+ (aq) concentration of a strong acid with a pH of 0.24?

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You built a pendulum clock. How far from the pivot should you place the center of the pendulum mass for a period that is 3.6 secondes