Which substance is the oxidizing agent in the following reaction?Fe2S3 + 12HNO3 → 2Fe(NO3)3 + 3S + 6NO2 + 6H

Determine the Ksp for magnesium hydroxide, Mg(OH)2, where the solubility of Mg(OH)2 is 1.4 x 10-4 M. SHOW WORK FOR THE QUESTION

The pH of a solution prepared by mixing 45.0 mL of 0.183 M KOH and 35.0 mL of 0.145M HCl is ________. SHOW WORK FOR THIS QUESTION

If the rate law for the reaction. A + 3B → C + 2D is zero order in A and first order in B, then the rate law is rate = ________. 

The product of the nuclear reaction in which 28Si is subjected to neutron capture followed by alpha emission is ________.

BONUS #1 Consider the reaction:FeO (s) + Fe (s) + O2(g) → Fe2O3 (s)Given the following table of thermodynamic data at 298 K: The value K for the reaction at 25 °C is ________. YOU MUST SHOW WORK FOR THIS QUESTION

A 900 Kelvin gas expands at constant pressure to triple its initial volume.  What is the final temperature?

A container contains 1 mole of an ideal gas with Cp = 29.1 J/mol K and Cv = 20.8 J/mol K.  How much heat is required to increase the temperatuer by 500K while keeping the volume constant?

A 1 kg block is pushed against a spring attached to the wall.  The spring has a spring constant of 100N/m and is originally compressed 0.1 meters.  After letting go, the spring pushes the block along a frictionless surface.  What is the block’s velocity after leaving the spring?

A brake pad applies a friction force of 12 N acting tangent to a wheel spinning at 60 rpm.  The wheel has a radius of 0.1 m and a moment of inertia of .05 kg m2. What is the angular acceleration caused by friction?