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Reptile [31]
3 years ago
9

Why do planets in our solar system stay in their positions

Chemistry
2 answers:
Anon25 [30]3 years ago
4 0
This is not chemistry but it's A, off top.

xz_007 [3.2K]3 years ago
3 0

The sun's gravity keeps them in place.

Have a fabulous day <3

<em>~Animaljamissofab ♥</em>

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Which pair of aqueous solutions can create a buffer solution if present in the appropriate concentrations?.
Julli [10]

HF and NaF - If the right concentrations of aqueous solutions are present, they can produce a buffer solution.

<h3>What are buffer solutions and how do they differ?</h3>
  • The two main categories of buffers are acidic buffer solutions and alkaline buffer solutions.
  • Acidic buffers are solutions that contain a weak acid and one of its salts and have a pH below 7.
  • For instance, a buffer solution with a pH of roughly 4.75 is made of acetic acid and sodium acetate.
<h3>Describe buffer solution via an example.</h3>
  • When a weak acid or a weak base is applied in modest amounts, buffer solutions withstand the pH shift.
  • A buffer made of a weak acid and its salt is an example.
  • It is a solution of acetic acid and sodium acetate CH3COOH + CH3COONa.

learn more about buffer solutions here

<u>brainly.com/question/8676275</u>

#SPJ4

8 0
1 year ago
What is the molar mass of NaCrO4?
Mariulka [41]

Answer:

Molar Mass: 138.9818 g/mol

Explanation:

3 0
3 years ago
A certain gas occupies a volume of 26L when the applied pressure is 5.7atm. find the pressure in the system when the gas is comp
sergiy2304 [10]
P1 = 5.7atm V1 = 26L
P2 = ? V2 = 6.5 L

By Boyles Law,
P1V1 = P2V2
5.7 × 26 = P2 × 6.5
By solving,
P2 = 22.8atm.
8 0
3 years ago
The density of pentanol, C3H20, is 0.8110 g/mL. Calculate the volume occupied by 7.455 moles of pentanol. What is the volume occ
lozanna [386]

Answer:

i dont no ehh ahh i answer this question and this question is an dibitual sence

Explanation:

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mabahslambbsoalnqnmlpigfqjskbdnmxnxb slabslwobdksjwmsnmaksbkakskslanksoqlmmbsjpqloyewqasfhjllmvxxwtyipeorirubamsbsmsnsmsoandbaksnsgaks

7 0
3 years ago
The reactant concentration in a second-order reaction was 0.560 m after 115 s and 3.30×10−2 m after 735 s . what is the rate con
Aloiza [94]
Use the formula for second order reaction:

\frac{1}{C} = \frac{1}{C_0} + kt

C = concentration at time t 
C0 =  initial conc.
k = rate constant
t = time

1st equation :   \frac{1}{0.56} = \frac{1}{C_0} + 115k

2nd Equation: \frac{1}{0.033} = \frac{1}{C_0} + 735k

Find \frac{1}{C_0} from 1st equation and put it in 2nd equation:

\frac{1}{0.033} = \frac{1}{0.56} - 115k + 735k

\frac{1}{0.033} - \frac{1}{0.56} = 620k

k = 0.046
3 0
3 years ago
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