PLEASEEE HELPP MEEE!! I NEED THISS THANK YOUUU <3

Chemistry

2 answers:

AVprozaik [17]3 years ago

8 0

Answer:

D because all the other ones seem to be disability for the animals and D well the owner could of taught the dog that and the dog adapted to living that aka the owners rules either ways the dog learned it the other ones don't say anything so its D

Natali5045456 [20]3 years ago

4 0

Answer:

Explanation:

Adaption is an animal adapting to be better suited for its enviroment, a bird being able to fly better is an example of that. :)

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The oxidizing agent in 2H2S + 3O2 → 2SO2 + 2H2O is

Dovator [93]

Hello, Ginamuhs2!

The oxidizing agent in 2H2S + 3O2 → 2SO2 + 2H2O is the oxygen.

I hope this helps;)

8 0

3 years ago

What is the maximum volume of a 0.788 M CaCl2 solution that can be prepared using 85.3 g CaCl2?

Law Incorporation [45]

The answer is 0.975 L

Volume = mol/Molarity

We have molarity (0.788 M) and we need mol and volume. Let's first calculate number of moles of CaCl2 in 85.3 g:

Molar mass of CaCl2 is sum of atomic masses of Ca and Cl:
Mr(CaCl2) = Ar(Ca) + 2Ar(Cl) = 40 + 2 * 35.45 = 40 + 70.9 = 110.9 g/mol

So, if 110.9 g are in 1 mol, 85.3 g will be in x mol:
110.9 g : 1 mole = 85.3 g : x
x = 85.3 g * 1 mole / 110.9
x = 0.769 moles

Now, calculate the volume:
V = 0.769/0.788
V = 0.975 L

5 0

3 years ago

The description of the structure of the atom is called the ____?

goblinko [34]

Atomic structute :)

7 0

3 years ago

How do I find the average atomic weight of an element

fomenos

Answer:

To calculate the average atomic mass, multiply the fraction by the mass number for each isotope, then add them together.

hope this helps <3

7 0

2 years ago

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If 0.98 moles of BaCl2 are dissolved in enough water to make a 1.2-liter solution, what is the resulting molarity?

Svetradugi [14.3K]

Correct Answer: Option B i.e. 0.82 M 

Reason:
Given: number of moles of BaCl2 = 0.98, Volume of solution = 1.2 l

Molarity of solution = $\frac{\text{number of moles}}{\text{volume of solution (l)}}$ 
= $\frac{0.98}{1.21}$ 
= 0.82 M

Thus, molarity of the solution is 0.82 M

4 0

3 years ago

Read 2 more answers