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
zimovet [89]
3 years ago
14

in simple diffusion, molecules move from an area of ____ concentration to an area of ____ concentration.

Chemistry
1 answer:
liq [111]3 years ago
6 0

Answer:

high, low

Explanation:

In simple diffusion, molecules move from an area of high concentration to an area of low concentration.

You might be interested in
What is the vowel.???????????? ​
Serhud [2]

Answer:

a e i o u

Explanation:

a e i o u

3 0
3 years ago
The process of converting nitrogen into nitrogen compounds by bacteria is called:
7nadin3 [17]
I believe this process is called fixation
7 0
4 years ago
How would you convert 2930 kcal to kJ?
andrezito [222]

It is quite easy:

1 cal = 4,1868 J

Solution is:

2930 kcal = 4,1868 * 2930 [kJ] = 12267,324 [kJ]

8 0
3 years ago
A solution is prepared by diluting 43.5 mL of 6.5×10?2M Ba(OH)2 to a volume of 270.5 mL .
salantis [7]

Answer:

The pH of the solution is 12.31 .

Explanation:

Initial molarity of barium hydroxide =M_1=6.5\times 10^{-2}M

Initial volume of barium hydroxide =V_1=43.5 mL

Final molarity of barium hydroxide =M_2

Final volume of barium hydroxide =V_2=270.5 mL

M_1V_1=M_2V_2

M_2=\frac{6.5\times 10^{-2}M\times 43.5 mL}{270.5 mL}

M_2=0.0104 M

Ba(OH)_2\rightarrow Ba^{2+}+2OH^-

1 mol of barium gives 2 mol of hydroxide ions.

Then 0.0104 M of barium hydroxide will give:

2\times 0.0104 M=0.0208 M of hydroxide ions

[OH^-]=0.0208 M

pH=14-pOH=14-(-\log[OH^-])

pH=14-(-\log[0.0208 M])=12.31

The pH of the solution is 12.31 .

4 0
3 years ago
A gas has a volume of 7.0 L and a mass of 8.50 X 109 grams. What is its density in g/ml?
natka813 [3]

Answer:

The answer is

<h2>1, 214, 285.71 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question

mass of gas = 8.5 × 10^9 g

But 1 L = 1000 mL

So 7 L = 7000 mL

volume = 7000 mL

So the density of the gas is

density =  \frac{8.5 \times  {10}^{9} }{7000}  \\  = 1214285.714285...

We have the final answer as

1, 214, 285.71 g/mL

Hope this helps you

8 0
4 years ago
Other questions:
  • Help this is hard and annoying
    5·1 answer
  • The critical point of carbon dioxide is 304 k and 73 atm. under which conditions is carbon dioxide a liquid? i. 303 k and 73 atm
    14·1 answer
  • According to the collision theory, which is required for a high number of effective collisions?
    14·2 answers
  • A 100 W light bulb is placed in a cylinder equipped with a moveable piston. The light bulb is turned on for 2.0×10−2 hour, and t
    8·1 answer
  • What does the law of conservation of energy state about energy in a closed system?
    11·2 answers
  • When 5-bromo-2,2-dimethyl-1-pentanol is treated with sodium hydride, a compound with molecular formula c7h14o is obtained. choos
    8·1 answer
  • What is the answer to this question?
    5·1 answer
  • How would the results be affected if there were a lot of saliva left in the gum after chewing
    14·2 answers
  • Match each form of energy with it's definition.
    11·1 answer
  • What is the difference aldehyde and ketone in organic chemistry​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!