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 70 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?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

The oxygen isotope curve illustrates the ratio between 16O and 18O. The oxygen isotope curve illustrates the ratio between 16O and 18O.
Determination of the number of theoretical stages Determination of the number of theoretical stages
Climate models the flow of mass and energy Climate models the flow of mass and energy
Mass Wasting Triggers Mass Wasting Triggers
Mass Wasting Forms Mass Wasting Forms
How would you write the number 120 in Babylonian? How would you write the number 120 in Babylonian?
Video: Biological organic compounds

For a complete list of videos, visit our video library