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

Author Question: Consider the isotope Br. The atomic number is ________, and the mass number is ________. A) 79; ... (Read 106 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
on: Aug 27, 2018
Consider the isotope Br. The atomic number is ________, and the mass number is ________.
 
  A) 79; 35
  B) 35; 79
  C) 44; 35
  D) 35; 44
  E) 35; 114

Question 2

Sodium metal and water react to form hydrogen and sodium hydroxide. If 5.98 g of sodium react with water to form 0.26 g of hydrogen and 10.40 g of sodium hydroxide, what mass of water was involved in the reaction?
 
  A) 4.68 g
  B) 5.98 g
  C) 10.14 g
  D) 10.66 g


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pangili4

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


jeatrice

  • Hero Member
  • *****
  • Posts: 543
Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


pangili4

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Aug 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Mass Exchange Between Close Binary Stars Mass Exchange Between Close Binary Stars
Estimated Number of New Sexually Transmitted Infections Estimated Number of New Sexually Transmitted Infections
The isotope record The isotope record
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ... A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ...
What would your average (mean) number of cells per cluster be? What would your average (mean) number of cells per cluster be?
Video: Gas exchange - partial pressure, locations, external and internal respiration

For a complete list of videos, visit our video library