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
hodyreva [135]
3 years ago
8

Can someone please help me with this?

Chemistry
1 answer:
Sergio039 [100]3 years ago
7 0
Amu valie on the top and abundsnce percent in decimals on the bottom for each isotope

You might be interested in
At higher temperatures,
valentinak56 [21]

Answer:

reaction rates increase because reactants move faster, collide more often, and produce more collisions with the required energy of activation.

Explanation:

<em>A</em><em>t</em><em> </em><em>h</em><em>i</em><em>g</em><em>h</em><em>e</em><em>r</em><em> </em><em>t</em><em>e</em><em>m</em><em>p</em><em>e</em><em>r</em><em>a</em><em>t</em><em>u</em><em>r</em><em>e</em><em>s</em><em>,</em><em> </em>the reactant atoms gain high kinetic energy which decreases the intermolecular forces of attraction between these atoms/molecules.

Hence the rate of collision is very high which decreases the activation energy and products are formed with in a short period of time.

3 0
3 years ago
Think Critically A golf ball and a bowling ball are mov-
LenaWriter [7]

Answer:

the golf ball would move faster, but the bowling ball would have more kinetic energy

Explanation:

6 0
3 years ago
Solve the following 2 questions below, involving elements and reactions. *
padilas [110]

Answer:

1. 40 grams of NaCI

2. 20 grams of Barium Peroxide

Explanation:

<h3><u>In this question, we have to divide to find the amount of each element in a drop. </u></h3>

For Question 1, there are 400 grams of NaCI. There are 10 drops.

So, we have to divide 400 by 10.

  • 400 / 10 = 40

We get 40 as our result, so 40 is the answer.

<h3><u>Same for this question, we use the process we did before.</u></h3>

There are 800 grams of barium peroxide, and there are 40 drops.

So, we divide 800 by 40.

  • 800 / 40 = 20

We have the answer as 20.

Our final answers are going to be listed below:

  • Question 1 - 40
  • Question 2 - 20

Hope this helps you!

5 0
3 years ago
Read 2 more answers
Consider two solutions separated by a semipermeable membrane, as shown in the illustration to the right. The membrane allows the
Evgen [1.6K]

Answer:

The correct movement would be -

1. Water  - into solution A.

2. NaCl  - into solution A.

3. glucose  - into Solution B.

4. Albumin  - neither.

Explanation:

All the substances are separated by the semipermeable membrane and the semipermeable membrane allows the only small molecule to pass through it. So the movement of the given substance would be -

1. Water  - into solution A.

Water molecules are small and can easily pass through the semipermeable membrane as it is given that the solution b has low solute concentration and solution A has high solute concentration. It is known that the movement of the solvent always takes place from low solute concentration to high so the movement of water will be into solution A.

2. NaCl  - into solution A.

The movement of small ionic molecule NaCl is always from high to low concentration as it is given that solution B has high concentration than solution A so movement will take place into solution A.

3. glucose  - into Solution B.

It is also a small molecule and moves from the high glucose region to the low glucose concentration region, in solution A the concentration of glucose is high than solution B so movement would be into solution B.

4. Albumin  - neither.

Albumin is a protein which is macromolecule and large in size to pass through the semipermeable membrane so, albumin move neither solution A nor solution B.

6 0
3 years ago
Which statement is correct
alisha [4.7K]
The answer to your question is A.
6 0
3 years ago
Read 2 more answers
Other questions:
  • List 4 observations that suggest a chemical change is occurring
    14·2 answers
  • If you accidentally spill phosphorus-32 onto your shoe, how long would it take before 99.9% of the radioactive material has deca
    10·1 answer
  • A recessive trait is observed when an organism has___recessive gene factors
    5·1 answer
  • How many atoms of silver are present in one mole of silver
    14·1 answer
  • What does your experiment suggest about what happens when icebergs melt into the ocean? Based on your data, do you think the sea
    11·1 answer
  • As liquid water boils and changes into water vapor (steam), what happens
    15·2 answers
  • PLEASE HELP!
    7·1 answer
  • Umm care to help, please
    7·2 answers
  • What type of weather is associated with high pressure?
    9·1 answer
  • 25.0 mL of an LiOH solution were titrated with 29.15 mLof a 0.205 M H3PO4 solution to reach the equivalence point. What is the m
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!