Chemistry, 24.09.2021 22:10 kimlyn58p0wyn0
In which one of the following cases the number of hydrogen atoms is more?2 moles of HCl or 1 mole of NH3 (Hint: 1 mole of a substance contains as much number ofmoles of atoms as are in 1 molecule of a substance).
Answers: 2
Chemistry, 21.06.2019 18:20
Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.
Answers: 2
Chemistry, 22.06.2019 12:00
1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c
Answers: 2
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
In which one of the following cases the number of hydrogen atoms is more?2 moles of HCl or 1 mole of...
Physics, 23.03.2021 07:00
English, 23.03.2021 07:00
Mathematics, 23.03.2021 07:00
Medicine, 23.03.2021 07:00
Mathematics, 23.03.2021 07:00
Mathematics, 23.03.2021 07:00
Mathematics, 23.03.2021 07:00
Mathematics, 23.03.2021 07:00
Mathematics, 23.03.2021 07:00
Mathematics, 23.03.2021 07:00
Chemistry, 23.03.2021 07:00
Advanced Placement (AP), 23.03.2021 07:00
Mathematics, 23.03.2021 07:00
Mathematics, 23.03.2021 07:00
Social Studies, 23.03.2021 07:00