Question

285

svanimalavia
Helping Hand
9 answers
651 people helped
Explanation:

Dear Cousin,

I am very sorry I couldn't visit you this year due to the recent outbreak of Covid-19. As you know this year there have a been a lot of casualties ans Corona Virus is one of them. My dad booked tickets of train this year to come visit you but we had to cancel them as the publ

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Answer 1

Answer:

Given : Diameter of the cylinder = 28 cm. Mass of mercury = 30.8 g. Density of mercury = 13.66 g/cc. To Find :.1. What is the pressure on the bottom of a cylindrical vessel of diameter 28 cm

containing 30.87 of mercury ? (Relative density of mercury

13.6)

An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across. Wikipedia

Components: Electrons and a compact nucleus of protons and neutrons

Electric charge: zero (neutral), or ion charge

Mass range: 1.67×10−27 to 4.52×10−25 kg

Diameter range: 62 pm (He) to 520 pm (Cs) (data page)