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 71 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
:D TYSM

scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Hydrogen Molecule Hydrogen Molecule
Calcium balance. Calcium balance.
Hydrogen ions control acidity Hydrogen ions control acidity
Calcium metabolism in osteoporosis Calcium metabolism in osteoporosis
A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is: A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is:
How many Cl atoms are present in 2.16 moles of NCl3? How many Cl atoms are present in 2.16 moles of NCl3?
Video: Type of Cell Junctions - Desmosome, Hemidesmosomes and Gap Junctions

For a complete list of videos, visit our video library