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fgiga [73]
3 years ago
9

Solid strontium chromate, SrCrO4, dissolves into its respective ions at 25°C. Suppose that in a particular solution,

Chemistry
2 answers:
Sever21 [200]3 years ago
7 0

Answer:

A

Explanation:

user100 [1]3 years ago
5 0

Answer:

I think it's d but I'm not positive

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Will give free brainlist !! :)
luda_lava [24]

Answer:

C is the correct answer

Explanation:

7 0
3 years ago
Read 2 more answers
A 9.79 mol sample of freon gas was placed in a balloon. Adding 3.50 mol of freon gas to the balloon increased its volume to 21.8
aivan3 [116]

Answer:

16.06 L was the initial volume of the balloon.

Explanation:

Initial moles of freon in ballon = n_1=9.79 mol

Initial volume of freon gas in ballon = V_1=?

Moles of freon gas added in the balloon = n = 3.50 mole

Final moles of freon in ballon = n_2=n_1+n=9.79 mol+3.50 mol=13.29 mol

Final volume of freon gas in ballon = V_2=21.8 L

Using Avogadro's law:

\frac{V_1}{n_1}=\frac{V_2}{n_2} ( at constant pressure and temperature)

V_1=\frac{V_2\times n_1}{n_2}=\frac{21.8 L\times 9.79 mol}{13.29 mol}=16.06L

16.06 L was the initial volume of the balloon.

4 0
3 years ago
Question 3(Multiple Choice Worth 1 points)
MatroZZZ [7]

Answer:

Do research on a Particular topic

8 0
4 years ago
What is the half-life in minutes of a compound if 75.0 percent of a given sample decomposes in 40.0 minutes? Assume first-order
yaroslaw [1]

Answer:

See below

Explanation:

.75 = 1/2^(40/h)      

log .75 / ( log 1/2) = 40 / h

<u>h = half life =   96.37683 min</u>

8 0
2 years ago
If you change the state of something, say, liquid to solid, is it a physical or chemical change?
Georgia [21]
I believe that it is a chemical change.
4 0
3 years ago
Read 2 more answers
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