Conservation of mass and every means it should be equal on both sides. So there should be another 2 Cl on the other side of the reaction
Answer:
The substance is a mixture because it left a white powder in the beaker when boiled.
Explanation:
Due to the tilt of the earth
Answer:
Statements 1 and 2 are correct.
Explanation:
The microenvironment around a amino acid residue can impact its pKa value according with the Born effect. If there is a positively charged environment, like in the second option, the pKa value will decrease, just as it happens in the histidine residue. So the correct answers are 1 and 2.
A semiconductor is a substance, usually a solid chemical element or compound, that can conduct electricity under some conditions but not others, making it a good medium for the control of electrical current. Silicon is a very common element -- for example, it is the main element in sand and quartz.
