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

Author Question: The action of some commercial drain cleaners is based on the following reaction: 2 NaOH(s) + 2 Al(s) ... (Read 104 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
on: Aug 27, 2018
The action of some commercial drain cleaners is based on the following reaction: 2 NaOH(s) + 2 Al(s) + 6 H2O(l)  2 NaAl(OH)4(s) + 3 H2(g) What is the volume of H2 gas formed at STP when 6.32 g of Al reacts with excess NaOH?
 
  A) 3.50 L
  B) 5.25 L
  C) 7.87 L
  D) 8.59 L

Question 2

What is the term for an element that generally has a low density, low melting point, and is not
  a good conductor of heat and electricity?
 
  A) metal
  B) nonmetal
  C) semimetal
  D) all of the above
  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

Anonymous

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

B)


jlmhmf

  • Member
  • Posts: 552
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

bbburns21

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

« previous next »
 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Brachiation in Action Brachiation in Action
Chemical equilibrium and the law of mass action. Chemical equilibrium and the law of mass action.
L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ... L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ...
Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ... Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ...
The RecA strand exchange reaction as shown from single-molecule studies The RecA strand exchange reaction as shown from single-molecule studies
Stomata in action Stomata in action
Video: DNA Sequences - Dideoxy Sequencing

For a complete list of videos, visit our video library