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

Author Question: How many moles of calcium metal react to yield 0.500 mol of hydrogen gas? __Ca(s) + __H2O(l) ... (Read 59 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
on: Aug 27, 2018
How many moles of calcium metal react to yield 0.500 mol of hydrogen gas?
 
  __Ca(s) + __H2O(l)  __Ca(OH)2(aq) + __H2(g)
  A) 0.250 mol
  B) 0.500 mol
  C) 1.00 mol
  D) 2.00 mol
  E) none of the above

Question 2

Which of the following is the highest atomic number actinide?
 
  A) Ce
  B) Lr
  C) Lu
  D) Th
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jonathanballen97

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


skymedlock

  • Member
  • Posts: 561
Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it

helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

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

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Role of calcium, tropomyosin, and troponin in cross-bridge cycling. Role of calcium, tropomyosin, and troponin in cross-bridge cycling.
Hydrogen bonding in ice Hydrogen bonding in ice
Hydrogen Molecule Hydrogen Molecule
Calcium Salts and Vitamin D Therapy Calcium Salts and Vitamin D Therapy
Oil molecules cling to metal surfaces but easily slide against each other. Oil molecules cling to metal surfaces but easily slide against each other.
Hydrogen ions control acidity Hydrogen ions control acidity
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library