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

Author Question: Which of the following is true about a catalyst? A) It increases the rate of a reaction. B) It ... (Read 123 times)

Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
on: Aug 27, 2018
Which of the following is true about a catalyst?
 
  A) It increases the rate of a reaction.
  B) It can be used in trace amounts.
  C) It is not used up in the process.
  D) All of the above are true.

Question 2

Which of the following is a polyatomic ion?
 
  A) HCN
  B) Na+
  C) H2
  D) SO42-

Question 3

Which of the following could NOT be the temperature of a solid?
 
  A) 2C
  B) 2 K
  C) -2C
  D) -2 K


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

frankwu0507

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D

Answer to Question 3

D


Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
Reply #2 on: Aug 27, 2018
Thank you!


frankwu0507

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Aug 27, 2018
Always glad to help...


« previous next »
 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

reaction system of photosynthesis reaction system of photosynthesis
TrUe....FaLsE TrUe....FaLsE
For this bimolecular reaction, the rate constant k is second order For this bimolecular reaction, the rate constant k is second order
How to convert units of any rate to another (Part 3) How to convert units of any rate to another (Part 3)
Mechanism of the biotin-dependent pyruvate carboxylase reaction Phase I Mechanism of the biotin-dependent pyruvate carboxylase reaction Phase I
The rate of facilitated diffusion The rate of facilitated diffusion
Video: Deafness Culture

For a complete list of videos, visit our video library