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A system releases 89 kJ of heat and has 111 kJ of work done on it. What is the value of ΔE (in kJ) for the system?

What is the concentration (in M) of iodide ions when 0.200 moles of FeI3 is dissolved in 950 mL of water?

Copper (II) hydroxide is formed in the following reaction: CuSO4 (aq) + 2 NaOH(aq) →  Cu(OH)₂ (s) +  Na2SO4 (aq)  How much copper(II) hydroxide precipitate (in g) is formed when 35.0 mL of 0.612 M NaOH reacts with an excess of CuSO4?   Hint: Molar mass for Cu(OH)2 is 97.57 g/mol

A system performs 94 kJ of work on its surroundings and gains 43 kJ of heat. What is the value of ΔE (in kJ) for the system?

Based on the activity series, which of the following solutions would result in a spontaneous single displacement reaction with zinc metal?

Copper (II) hydroxide is formed in the following reaction: CuSO4 (aq) + 2 NaOH(aq) →  Cu(OH)₂ (s) +  Na2SO4 (aq)  How much copper(II) hydroxide precipitate (in g) is formed when 25.0 mL of 0.612 M NaOH reacts with an excess of CuSO4?   Hint: Molar mass for Cu(OH)2 is 97.57 g/mol

Calculate ΔH (in kJ) for the reaction:

The majority of the class is what type of learners?

In this first week, which of the following unusual diseases was NOT reported?

In this first week of Promed, which of the following vaccine preventable diseases was NOT discussed?