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

Author Question: A reaction that absorbs energy from the surroundings is called a) activated. b) exothermic. c) ... (Read 63 times)

go.lag

  • Hero Member
  • *****
  • Posts: 667
on: Jul 28, 2018
A reaction that absorbs energy from the surroundings is called
  a) activated.
  b) exothermic.
  c) reversible.
  d) endothermic.

Question 2

When balancing a chemical equation, you must
  a) be able to count individual atoms on each side of the reaction arrows.
  b) count only the polyatomic ions present in the reactants and the products.
  c) count only complete molecules and ignore any atoms that are in their elemental (uncombined) forms.
  d) make sure that there are always more atoms of reactant present than atoms of product, so that the reaction can proceed easily.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cassie_ragen

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

a


go.lag

  • Member
  • Posts: 667
Reply 2 on: Jul 28, 2018
Wow, this really help

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

The relationship between free energy and electron movement along the electron transport chain The relationship between free energy and electron movement along the electron transport chain
Basic Types of Energy Basic Types of Energy
Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event
Energy Balance Energy Balance
Energy changes in reactions. Energy changes in reactions.
First reaction requires thiamine pyrophosphate as a coenzyme First reaction requires thiamine pyrophosphate as a coenzyme
Video: Mutations and translation

For a complete list of videos, visit our video library