Author Question: In chemistry, reduction occurs when a substance A) accepts electrons B) loses electrons C) ... (Read 149 times)

LCritchfi

  • Hero Member
  • *****
  • Posts: 519
In chemistry, reduction occurs when a substance
 
  A) accepts electrons
  B) loses electrons
  C) rearranges its electrons internally
  D) breaks into its constituent atoms

Question 2

You hit a handball too hard, and it lands horizontally on top of a roof. If its original velocity was vo at an angle  above the horizontal, then it lands on the roof with a velocity of
 
  A) vo sin
  B) 2vo
  C) vo cos
  D) zero
  E) vo



aham8f

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

For a complete list of videos, visit our video library