This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An ion has 8 protons, 9 neutrons, and 10 electrons. The symbol for the ion is ________. A) 17O2- ... (Read 68 times)

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
on: Aug 27, 2018
An ion has 8 protons, 9 neutrons, and 10 electrons. The symbol for the ion is ________.
 
  A) 17O2-
  B) 17O2+
  C) 19F+
  D) 19F-
  E) 17Ne2+

Question 2

Determine the volume of O2 (at STP) formed when 50.0 g of KClO3 decomposes according to the following reaction. The molar mass for KClO3 is 122.55 g/mol.
 
  2 KClO3(s)  2 KCl(s) + 3 O2(g)
 
  A) 9.14 L
  B) 8.22 L
  C) 12.3 L
  D) 13.7 L
  E) 14.6 L

Question 3

A mass of mercury occupies 0.950 L. What volume would an equal mass of ethanol occupy? The density of mercury is 13.546 g/mL and the density of ethanol is 0.789 g/mL.
 
  A) 0.0553 L
  B) 0.0613 L
  C) 16.3 L
  D) 18.1 L


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pswine

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

D

Answer to Question 3

C


Yi-Chen

  • Member
  • Posts: 550
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

duy1981999

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Benzene delocalized electrons Benzene delocalized electrons
Electrons Electrons
Isotopes may be stable or radioactive depending on the arrangement and number of neutrons in the nuc Isotopes may be stable or radioactive depending on the arrangement and number of neutrons in the nuc
The Bohr model of the atom. The nucleus contains protons and neutrons, and electrons orbit around ... The Bohr model of the atom. The nucleus contains protons and neutrons, and electrons orbit around ...
Coenzyme Q collects electrons from multiple flavoproteins Coenzyme Q collects electrons from multiple flavoproteins
What is the total number of valence electrons in a silicate ion, SiO32-? What is the total number of valence electrons in a silicate ion, SiO32-?
Video: Eczema

For a complete list of videos, visit our video library