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
tatyana61 [14]
3 years ago
5

How many molecules are in 3.3 moles of ethane gas C2H6? Check your significant figures. A. 1.97 x 1024 molecules C2H6 B. 2.0 x 1

024 moles C2H6 C. 2.0 x 1024 molecules C2H6 D. 2 molecules C2H6

Chemistry
1 answer:
MArishka [77]3 years ago
3 0

Explanation:

2..0×1024 molecules c2 h6

You might be interested in
3. Which of the following sentences apply to neutrons? a. have a negative charge. b. circle around the atom nucleus. c. are the
DerKrebs [107]

Answer:

d.have a mass of 1 amu..

Explanation:

Does not match a as the answer for a is electrons B.electron circle around the nucleus because neutrons are inside the nucleus.C.proton and neutrons make the nucleus so the only answer left is .d .which is correct

3 0
3 years ago
In which volcanic eruption is pyroclastic materials released
juin [17]


There are many kinds of pyroclastic material ejected during a volcanic eruption. Ash is the most common pyroclastic rock material ejected during an eruption. Volcanic ash is so fine that it can be blown into the atmosphere and picked up by the jet stream where it can circle the Earth for several years.

3 0
4 years ago
What is the mass of and object with a volume of 100 cm3 and a density of 10 g/cm3?
nadezda [96]

Answer:

1000 g

Explanation:

d = m/v

We are given d: 10g/cm3

and v: 100cm3

Plug them into the equation to get 10 = m/100

Then, cross multiply 10x100 to get mass which is: 1000g

4 0
3 years ago
At which point on the roller coaster will the car have the greatest amount of Kinetic energy?
Elena-2011 [213]
I’m going to say the answer is most likely X because memetic energy is energy being used at that moment. Because the coaster is going fastest at X we can assume that the answer is X
4 0
3 years ago
I know the photo trash but i need answers for the top middle and last question please :)
Firlakuza [10]

Answer:

Middle: Self heating containers are really expensive but are useful because they are easy to use, portable, and can be recycled, unlike a camp stove which is not as easily moved.

Explanation:

i neeed a better image for the first an last boo<3

6 0
2 years ago
Other questions:
  • 6. 100 ml of gaseous hydrocarbon consumes 300
    14·1 answer
  • 42.5 grams of an unknown substance is heated to 105.0 degrees Celsius and then placed into a calorimeter containing 110.0 grams
    9·1 answer
  • An orange has a mass of 359 grams . How many kilograms is this?
    5·1 answer
  • What are three observable changes that show a chemical reaction?
    6·1 answer
  • Understand how to represent chemical reactions using an equations Question If two compounds in a chemical reaction are listed wi
    10·1 answer
  • HELP PLEASE
    9·2 answers
  • I JUST GOT RICKROLLED WHAT DO I DO PLEEEAASSEEEE HELP
    13·2 answers
  • There are two containers: one container with a 0.15 molar solution of compound A and another with 0.20 molar solution of compoun
    10·1 answer
  • What is the final temperature when 125 g of H20 at 16°C is mixed with 185 g of H20 at 82°C?
    12·1 answer
  • What is the solubility of CaCl2 at 20°C
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!