General Chemistry

Find Ion With The Smallest Radius

Calculate the fuel value of C6H14, given that ΔH °comb = –4163 kJ/mol.

Calculate the fuel value of C6H14, given that ΔH °comb = –4163 kJ/mol. The molar mass of C6H14 is 86.18 g/mol. –4163 kJ/mol * 1mol = -...

Calculate ΔE for the combustion of a gas that releases 235 kJ of energy to its surroundings and doe

Calculate ΔE for the combustion of a gas that releases 235 kJ of energy to its surroundings and does 92.5 kJ of work on its...

What happens to the magnitude and sign of the enthalpy change when a process is reversed?

What happens to the magnitude and sign of the enthalpy change when a process is reversed? When a process is reversed, the enthalpy(ΔH)...

A snack bar contains 159 Calories. What is the energy value in terms of joules, the SI unit of ener

A snack bar contains 159 Calories. What is the energy value in terms of joules, the SI unit of energy? 1 calorie = 4.184 joules 159 ...

Kinetics: How To Write The Rate Expressions (relative reaction rates)

The rate of a reaction can be expresses in terms of a change in the amount of reactants or products over an interval of time. Let's take...

A cylinder of compressed He originally has a pressure of 20 atm and a volume 10 L at a temperature o

A cylinder of compressed He originally has a pressure of 20 atm and a volume 10 L at a temperature of 25°C. It is used to fill 10, 1 L...

The equilibrium constant Kp of the Haber reaction, N2 (g) + 3 H2(g) ⇌ 2 NH3 (g), at 200C is 6.78 × 1

The equilibrium constant Kp of the Haber reaction, N2 (g) + 3 H2(g) ⇌ 2 NH3 (g), at 200C is 6.78 × 105. Initially, 0.0020 moles N2, 0.010...

𝑁2 (𝑔) + 3𝐻2 (𝑔) ⇌ 2𝑁𝐻3 (𝑔), is exothermic in the forward direction. At higher temperatures

𝑁2 (𝑔) + 3𝐻2 (𝑔) ⇌ 2𝑁𝐻3 (𝑔), is exothermic in the forward direction. At higher temperatures (assuming the same total pressure),...

Primary amines react with ketones to produce imines according to the following reaction.

Primary amines react with ketones to produce imines according to the following reaction. 𝑝𝑟𝑖𝑚𝑎𝑟𝑦 𝑎𝑚𝑖𝑛𝑒 + 𝑘𝑒𝑡𝑜𝑛𝑒 ⇌...

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