What does a Gynecologist do ?

Gynecologists are doctors who specialize in women's health, with a focus on the female reproductive system. They deal with a wide range of issues, including obstetrics, or pregnancy and childbirth, menstruation and fertility issues, sexually transmitted infections (STIs), hormone disorders, and others.

Explanation:

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A Gynecologist is a doctor who focuses on the woman's reproductive system (let's not get into details). You may also know them as an OB/GYN. They can specialize with pregnancy, menstruation, sex issues, STI's, and other things. Typically a girl would start seeing a Gynecologist at around 13-15. She won't get a full-on exam, but rather a quick examination of her female parts that are on the outside.

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first one is the correct answer

given:

mass of na = 115 g

excess cl2

to determine:

mass of nacl produced

explanation:

given reaction is-

2na(s) + cl2(g) → 2nacl(s)

since cl2 is in excess, na will be the limiting reagent

as per the reaction stoichiometry na: nacl = 1: 1

i.e. moles of na reacted = moles of nacl formed

now, # moles of na = mass of na/atomic mass

                                  = 115 g/23 g.mol-1 = 5 moles

therefore, moles of nacl = 5

molar mass of nacl = 58 g/mol

mass of nacl = 5 moles * 58 g.mol-1 = 290 g

ans: amount of nacl produced = 290 g