Chemistry, 13.01.2021 14:00 oliviajewelwilliams
Describe a method to investigate how the temperature changes when
different masses of ammonium nitrate are dissolved in water.
You do not need to write about safety precautions.
(6marks)
Answers: 1
Chemistry, 23.06.2019 05:30
Astudent made the lewis dot diagram of a compound as shown. mg is written with two dots shown on its top. an o is written on each side of mg. each o has six dots around it. an arrow is shown from one dot on mg toward the vacant space around the o on the right. another arrow is shown from the other dot on mg toward the vacant space around the o on the left. the title of the art is students lewis dot model. what is the error in the lewis dot diagram? an o atom should transfer all its six electrons to mg because the formula is mgo. both electrons of mg should be transferred to one o atom because the formula is mgo. the electrons should be transferred from each o atom to mg because mg has fewer electrons. the number of dots around mg should be four because it has to transfer two electrons to each o.
Answers: 2
Chemistry, 23.06.2019 11:00
Afraction can be converted to a decimal by dividing the denominator into the numerator. use a calculator. divide to convert the fractions from part a to decimals. then describe the pattern you see in the decimal.
Answers: 3
Describe a method to investigate how the temperature changes when
different masses of ammonium nitr...
Mathematics, 25.08.2019 11:30
Mathematics, 25.08.2019 11:30
Biology, 25.08.2019 11:30
Business, 25.08.2019 11:30
History, 25.08.2019 11:30
History, 25.08.2019 11:30
Mathematics, 25.08.2019 11:30
Mathematics, 25.08.2019 11:30
Mathematics, 25.08.2019 11:30
History, 25.08.2019 11:30
Physics, 25.08.2019 11:30
Mathematics, 25.08.2019 11:30
Social Studies, 25.08.2019 11:30
Mathematics, 25.08.2019 11:30
English, 25.08.2019 11:30