B. Remains constant
hope this helps
Answer:
The answer is rubidium exhibits +1 and -1 oxidation states.
Explanation:
Rubidium is a reactive element and belongs to the group 1 of the periodic table. It is an alkali metal and it is a highly reactive element.
Rubidium is a very soft and white lustrous element. Rubidium has +1 and -1 oxidation states. When rubidium is burnt, it forms oxides, superoxides and peroxides respectively.
For example, in rubidium oxide (Rb2O), Rubidium has a +1 oxidation state. While in peroxides rubidium exhibits -1 oxidation state. For example Rubidium peroxides (Rb2O2).
Answer:
Q = 0.75 g x 0.897 J/g•°C x 22°C
Explanation:
The amount of heat needed to raise the temperature of a substance is given by the equation
where
m is the mass of the substance
C is the specific heat capacity
is the increase in temperature of the substance
In this problem, the mass of the aluminium is m=0.75 g. The specific heat of aluminium is C=0.897 J/g•°C, while the increase in temperature is
So, the equation becomes
Q = 0.75 g x 0.897 J/g•°C x 22°C
Answer:
A
Explanation:
Action potentials are generated at axon hillock because it contains higher density of Na+ channels.From here it is conducted down the axon with equal intensity. It initially depolarizes then polarizes, the order is strict. However, its not affected by the distance they travel.
