440 hertz = 440/seconds
1/440 seconds = period of the sound wave.
so Answer is 2.2727272* 10^-3 second or 1/440 seconds
<span>C12H22O11. If it is a dehydration reaction, there is a union of the two monosaccharides and a water molecule is lost. So double the C6H12O6, and remove an H2O, so C12H24O12 - H2O would yield C12H22O11.</span>
C.) Copper ( Cu, atomic number) is an element which is malleable as well good conductors of heat and electricity. Hope this helps!
1.342162 miles
distance=speed x time
Answer:
c. Mercury is used in barometers because it has a high density
Explanation:
Chemical change -
It refers to any change in a chemical process , where there is formation of any new substance , is referred to as a chemical change .
The indication of any chemical change is the formation of some new substance.
Hence, from the question,
The process which does not involve chemical change is -
The use of mercury in barometer , to measure pressure , in this process no new substance is formed i.e. , now change in mercury.
