In a voltaic cell, chemical energy is converted to

(1) electrical energy, spontaneously

(2) electrical energy, nonspontaneously

(3) nuclear energy, spontaneously

(4) nuclear energy, nonspontaneously

Of a non-volatile solute is dissolved in 365.0 g of water. the solute does not react with water nor dissociate in solution. assume that the resulting solution displays ideal raoult's law behaviour. at 70°c the vapour pressure of the solution is 231.

What can be said about an endothermic reaction with a negative entropy change? The reaction is: a. spontaneous at all temperatures. b. spontaneous at high temperatures. c. spontaneous at low temperatures. d.

On a piece of paper, draw the structure of 3-heptyne. now describe the structure you have drawn:

The decomposition of potassium chlorate yields oxygen gas. If the yield is 895%, how many grams of KClO3 are needed to produce 10.0 L of O2? 2KClO3 (s) - - > 2KCl (s) + 3 O2 (g)

If a person can do 39J of work in 13 seconds, what is the amount of power?

Convert 4.57X-3m to the equivalent length in nanometers

A rock falls off a cliff and hits the ground after three seconds. What is its velocity right before it hits the ground? 9.8 m/s 0.31 m/s 29.4 m/s 3.3 m/s

Which compound is an isomer of pentane? (1) butane (3) methyl butane (2) propane (4) methyl propane

Which of the following has primary responsibility for eliminating alcohol from the bloodstream

A hydrocarbon with only single bonds is classified as a. an alkene. b. an alkyne. c. saturated. d. unsaturated.