1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Tamiku [17]
3 years ago
9

A person uses 770 kcal on a long hike. Calculate the energy used for the hike in each of the following energy units.

Chemistry
1 answer:
Pavlova-9 [17]3 years ago
5 0

Explanation:

1 Cal of energy is equivalent to 4.184 Joules.

A.

770Cal of energy = 3221.680 joules

Therefore, 780kCal of energy = 3221680 Joules.

B.

3200000 Joules (in 2 s.f).

C.

I000 joules = 1 kJoule

3221680 joules = 3221.689 kJoules.

D.

3200 kJ (in 2 s.f).

You might be interested in
PLEASE HELP ME !!!!
labwork [276]

Answer:

electrons..............

3 0
3 years ago
Avogadro's law relates the volume of a gas to the number of moles of gas when temperature and pressure are constant. According t
GuDViN [60]
Your Answer Would Be C.
7 0
3 years ago
Read 2 more answers
___traits determine how an organism acts on a regular basis
s344n2d4d5 [400]

Answer:

Acquired Trait

Explanation:

1.An acquired trait are the characteristics that are responsible for the production of the phenotypic characteristics that are the products of the environmental influences.

2.The acquired traits are not heritable traits that is they are not inherited by the parents from their offsprings.

3.The acquired traits are the traits which one attain from the environment.

4.For example, development of tanning on the skin due to excess sun exposure  and color of the hair.

4 0
3 years ago
Hiiiiii which class do u hate the most mine is math
Anni [7]

Answer:

social studies

Explanation:

4 0
2 years ago
Read 2 more answers
A small amount of bleach was accidentally spilled on a kitchen floor. After a while it was
Umnica [9.8K]
Ehdhdjehrhrhrhrehhehehehehehe
4 0
2 years ago
Read 2 more answers
Other questions:
  • Under which conditions does a sample of the same mass of carbon dioxide have the lowest
    15·1 answer
  • Which of the following phrases best describes a synthesis reaction?
    10·1 answer
  • A 5.00-mL sample of blood was treated with trichloroacetic acid to precipitate proteins. After centrifugation, the resulting sol
    6·1 answer
  • A galvanic (voltaic) cell consists of an electrode composed of zinc in a 1.0 M zinc ion solution and another electrode composed
    9·1 answer
  • How would you describe the connection between the amount of energy a type of electromagnetic wave has and how that wave is used
    15·1 answer
  • When a mixture of iron powder and sulphur is heated it glows more brightly than that of iron filings and sulphur.Explain this ob
    7·1 answer
  • What determines the ratio of ions of an ionic compound? ( see screenshot for options)
    10·1 answer
  • Energy is released when the nucleus of an atom splits and two smaller atoms are formed. What is the name of this process?
    6·1 answer
  • Which is an example of a chemical reaction?
    11·1 answer
  • How many molecules are in
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!