Please No Scammers, Using a two cell reduction potential shown for their corresponding reaction calculate the cell potential for a voltaic cell made from these two systems. Fe+2 + 2ee Fe- E = 0.45 V

Cr^2O^7 + 14H+ + 6e- 2Cr^+3 + 7H^2O E = 1.23 V

What statement goes against the kinetic theory of gases

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt

Which of the following best describes technology a. something created for only scientists to use b. the method of thinking that scientists use. c. the application of engineering to create useful products. c. a scientific idea