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 73 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
Gracias!

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Calcium Calcium
Healed bone fractures can provide clues about activities and fresh fractures can yield information a Healed bone fractures can provide clues about activities and fresh fractures can yield information a
Isotopes of Hydrogen Isotopes of Hydrogen
Hydrogen ions control acidity Hydrogen ions control acidity
Functions of Vitamin D Vitamin D Helps Bone Health by Regulating Calcium and Phosphorus Functions of Vitamin D Vitamin D Helps Bone Health by Regulating Calcium and Phosphorus
Bright-Line Spectra of Hydrogen and Helium Bright-Line Spectra of Hydrogen and Helium
Video: Virtual Enzyme Kinetics & Lineweaver Burk Plot

For a complete list of videos, visit our video library