Which statement correctly describes what causes the second voltage-gated na⁺ channel to open?
a. as na⁺ ions enter the cell through the first channel, they spread out from the channel. when these na⁺ ions reach the second channel, it opens.
b. as na⁺ ions enter the cell through the first channel, na⁺ ions outside the cell move toward the open na⁺ channel.
c. when the concentration of na⁺ ions near the second channel becomes low enough, the second channel opens.
d. after the first channel opens, the movement of na⁺ ions (both inside and outside the cell) alters the na⁺ ion distribution across the membrane near the second channel, causing it to open.
e. after the first channel opens, the movement of many types of ions (both inside and outside the cell) alters the distribution of charges near the second channel, causing it to open.

Word equation for k+ h2o yield koh + h2

These questions are based on the attached photo. the experiment is about burning magnesium metal with oxygen. 1. write the balanced chemical equation for the reaction you are performing. 2. calculate the mass of magnesium metal used in each trial. o trial 1: o trial 2: 3. calculate the actual yield of magnesium oxide for each trial. o trial 1: o trial 2: 4. magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. o trial 1: o trial 2: 5. determine the percent yield of mgo for your experiment for each trial. o trial 1: o trial 2: 6. determine the average percent yield of mgo for the two trials. your company currently uses a process with a similar cost of materials that has an average percent yield of 91 percent. if the average percent yield of this process is higher than that, this could save the company money. what is your recommendation to the company? support your recommendation using your data, calculations, and understanding of stoichiometry gathered from this lab.

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.