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

Author Question: How many grams of zinc metal are required to produce 2.00 liters of hydrogen gas at STP according to ... (Read 94 times)

ahriuashd

  • Hero Member
  • *****
  • Posts: 535
on: Aug 27, 2018
How many grams of zinc metal are required to produce 2.00 liters of hydrogen gas at STP according to the chemical equation shown below?
 
  Zn(s) + 2 HCl(aq)  ZnCl2(aq) + H2(g)
 
  A) 0.171 g
  B) 5.83 g
  C) 11.7 g
  D) 131 g

Question 2

The carbonyl group is
 
  A) a general term for any functional group involving a carbon-oxygen bond.
  B) found only in aldehydes and ketones.
  C) a functional group in which carbon and oxygen are joined by a double bond.
  D) a functional group with a 6-membered ring where at least one atom is oxygen.
  E) produced by reduction reactions of primary or secondary alcohols.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

djofnc

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

C


ahriuashd

  • Member
  • Posts: 535
Reply 2 on: Aug 27, 2018
Gracias!

ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Step 2 of gene cloning: The actions of a restriction enzyme and DNA ligase to produce a recombinant Step 2 of gene cloning: The actions of a restriction enzyme and DNA ligase to produce a recombinant
Good computer skills are now required to be a successful member of an office staff. Good computer skills are now required to be a successful member of an office staff.
Some Ford metal line connections use springlocks and O-rings. Some Ford metal line connections use springlocks and O-rings.
Recent research suggests that zinc lozenges and nasal gels may help reduce the severity Recent research suggests that zinc lozenges and nasal gels may help reduce the severity
Hydrogen Bonds رابطة هيدروجينية Hydrogen Bonds رابطة هيدروجينية
calculate the quantities required to make 5 lb of hydrophilic ointment: calculate the quantities required to make 5 lb of hydrophilic ointment:
Video: Hierarchical Sequencing Method - Sequence Tagged Sites

For a complete list of videos, visit our video library