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
ivanzaharov [21]
3 years ago
6

Which one of the following is a pure substance? A. Sea water B. sodium C. smoke and D. Soft drink​

Chemistry
2 answers:
Vitek1552 [10]3 years ago
6 0
The answer is B...............
baherus [9]3 years ago
3 0

Answer:

B. Sodium

Explanation:

The composition of sea water, smoke, and soft drinks are not consistent, and you can separate the parts that make up each. Sodium has a definite and consistent composition, so it is a pure substance.

You might be interested in
Someone please answer this..​
Vedmedyk [2.9K]

Answer:

165 g

Explanation:

Law of Conservation of Matter states that neither matter or energy is destroyed but instead transferred.

Since we need a total of 180 g, we need to subtract 15g of one of the products to find the missing amount:

180 g - 15 g = 165 g Cu produced

6 0
2 years ago
Only answer if you know 100% its correct. this means if your'e NOT sure, don't answer.
Tasya [4]

Answer:

D. recycling aluminum cans and glass bottles

Explanation:

it's the only one that makes sense because if its a short trip you should walk, you should use reusable bags, and turn off the water while brushing your teeth.

Hope this helps and have a wonderful day/night/afternoon

6 0
2 years ago
Read 2 more answers
Hydrogen iodide decomposes slowly to H2 and I2 at 600 K. The reaction is second order in HI, and the rate constant is 9.7×10−6M−
Lady bird [3.3K]

Answer : The molarity after a reaction time of 5.00 days is, 0.109 M

Explanation :

The integrated rate law equation for second order reaction follows:

k=\frac{1}{t}\left (\frac{1}{[A]}-\frac{1}{[A]_o}\right)

where,

k = rate constant = 9.7\times 10^{-6}M^{-1}s^{-1}

t = time taken  = 5.00 days

[A] = concentration of substance after time 't' = ?

[A]_o = Initial concentration = 0.110 M

Now put all the given values in above equation, we get:

9.7\times 10^{-6}=\frac{1}{5.00}\left (\frac{1}{[A]}-\frac{1}{(0.110)}\right)

[A]=0.109M

Hence, the molarity after a reaction time of 5.00 days is, 0.109 M

8 0
3 years ago
Clouds are made up of tiny droplets of water. Which two spheres are clouds a
MaRussiya [10]
C & D, clouds are apart of the Hydro and Atmosphere!
5 0
2 years ago
Annie has a soccer ball and a kickball she kicks each ball with the same force the soccer ball accelerates at 3 m/s to the secon
Alexxandr [17]

Answer:

Because of less weight kick ball has more acceleration.

Explanation:

Acceleration of kick ball:

5 m/s

Acceleration of soccer ball:

3 m/s

Newton's second law:

According to newton's second law the acceleration of object depends upon two variables.

1) Mass of object

2) Force acting on it

Mathematical expression:

a = f/m

a = acceleration

f = force

m = mass

The force on balls are same thus the acceleration is depend upon the masses of balls.

The soccer ball has more weight that's why its acceleration is less while kick ball is lighter and thus its acceleration will more.

8 0
2 years ago
Other questions:
  • An apple pudding is prepared by combining apples, sugar, butter, and lemon juice. To which category does it belong?
    8·2 answers
  • Name these covalent compounds: SO2, P2CL5 and N2O4​
    8·1 answer
  • Which is a pure substance?
    13·1 answer
  • Which statement describes the kinetic energy of a particle?
    15·2 answers
  • A sample of gasoline has a mass of 595.0 lb and a volume of 14.0 ft^3. What is its specific gravity?
    6·1 answer
  • 30 POINTS!!!! WERE HELP ASAP! Mutualism, commensalism, and parasitism are all examples of what type of relationship between orga
    6·2 answers
  • What is the correct description of lactic acid fermentation
    9·1 answer
  • How many gallons of water would be in a container that is 256 millimeters X 20 inches X.045 meter.
    14·1 answer
  • A man can walk at a speed of 20 mi/day. How far will he walk in 5 days?
    11·2 answers
  • The primary use of alkanes is Question 8 options: A) drugs. B) combustion as fuels. C) food. D) polymers.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!