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

Author Question: On a trip, a family travels 200 km in 2.5 h on the first day, 300 km in 4.0 h on the second day, and ... (Read 79 times)

tiffannnnyyyyyy

  • Hero Member
  • *****
  • Posts: 512
on: Jul 28, 2018
On a trip, a family travels 200 km in 2.5 h on the first day, 300 km in 4.0 h on the second day, and 250 km in 3.5 h on the third day. What was the average speed, in kilometers per hour, for the total trip?

Question 2

In the reaction 2Al + 3F2 2AlF3, the aluminum
 a. is reduced.
  b. gains electrons.
  c. is oxidized.
  d. is the catalyst.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cam1229

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 28, 2018
Answer to Question 1

75 km/h

Answer to Question 2

c


tiffannnnyyyyyy

  • Member
  • Posts: 512
Reply 2 on: Jul 28, 2018
:D TYSM

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

A family pedigree of a recessive trait. A family pedigree of a recessive trait.
For kinship analyses buccal swabs from close family are taken for comparison. For kinship analyses buccal swabs from close family are taken for comparison.
A typical engine design that uses both pressure and splash lubrication. Oil travels under pressure ... A typical engine design that uses both pressure and splash lubrication. Oil travels under pressure ...
Detection of 3020insC in CARD15 in a family with Crohn’s disease Detection of 3020insC in CARD15 in a family with Crohn’s disease
Video: What Are Carbohydrates? Importance of Carbs & High Carb Food

For a complete list of videos, visit our video library