Answer:
what is the valency of carbon in CH3-CH3,CH2=CH2AND HC=CH. The valency of carbon in all the given structures is fourplanation:
The box will not move cuz both force vectors are equal in magnitude but exactly opposite in direction. So A is the correct option
Answer:
A. 1
Explanation:
The higher you get in the atmosphere the cooler the temperature will be. The reason it's actually colder is because, as you go up in the atmosphere, the Earth's atmosphere feels less pressure the higher up you go. So as the gas in the atmosphere rises it feels less pressure, which makes it expand.
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Answer:
The increasing order of masses of molecule ions:
118 g/mol(75.8%) , 120 g/mol(24.2%)
Explanation:
Chlorine occurs as 35-Cl (75.8%) and 37-Cl (24.2%).
Atomic mass of 35-Cl = 35 g/mol
Atomic mass of 37-Cl = 37 g/mol
Mass of Chlorocyclohexane in which 35-cl is present as a chlorine atom: 

Mass of Chlorocyclohexane in which 37-Cl is present as a chlorine atom: 

The increasing order of masses of molecule ions:
118 g/mol(75.8%) < 120 g/mol(24.2%)