2 Select the correct answer from each drop-down menu.
. If the atom Instead
An atom has 9 electrons and 9 protons at the start. If it loses 2 electrons, the net charge on the atom will be
galns 4 electrons, the net charge will be
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What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?

What conclusion can you draw from this experiment about the components of the black ink?