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Bess [88]
2 years ago
7

The process of moving or being moved?​

Chemistry
2 answers:
Inga [223]2 years ago
7 0

Answer:

motion

Explanation:

Gemiola [76]2 years ago
6 0

Answer:

The answer is

→ <u><em>The process of movement/motion.</em></u>

Explanation:

Movement/motion is when you change places from where you currently are.

Therefore, <u><em>movement/motion</em></u> is your answer.

Hope this helped! :^)

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Opal is a hydrated form of silica. If a laboratory analysis of a sample of opal reveals it to contain29.2% Si, 33.3%O, and 37.5%
ZanzabumX [31]
Let us assume that there is a 100g sample of Opal. The masses of each element will be:
29.2g Si
33.3g O
37.5g H2O
Now we divide each constituent's mass by its Mr to get the moles present
Si: (29.2 / 28) = 1.04
O: (33.3 / 16) = 2.08
H2O: (37.5 / 18) = 2.08
Now we divide by the smallest number and obtain:
Si: 1
O: 2
H2O: 2
Thus, the empirical formula of Opal is:
SiO2 . 2H2O
8 0
3 years ago
Assuming equal concentrations, arrange these solutions by pH.
LenKa [72]

Answer:

Highest pH(most basic)

Sr(OH)2(aq)

KOH (aq)  

NH3(aq)

HF (aq)  

HClO4(aq)

Lowest pH(most acidic)

Explanation:

The concentration of H+ ion will determine the pH of a solution. The pH actually reflects the ratio of H+ ion and OH- since both of them can combine into water. Solution with more H+ ion will have a lower pH and called acidic, while more OH- will have high pH and be called basic. Strong acid/base will be ionized more than weak acid/base.

Sr(OH)2(aq) = strong base, release 2 OH- ion per mole

KOH (aq) = Strong base, release 1 OH- per mole

NH3(aq) = weak base, release less than 1 OH- per mole

HF (aq) =strong acid, release 1 H+ per mole

HClO4(aq) = stronger acid, release 1 H+ per mole

8 0
3 years ago
What is the most important change in a chemical change?
avanturin [10]
5) state
when the state of the chemical changes that is the most important 
4 0
3 years ago
For the following hypothetical reaction: 3A + 3B —&gt; 2C. How many moles of B will you need to convert 4 moles of A into as man
galben [10]

Answer:

Do you still need this??

Explanation:

7 0
3 years ago
You measure water in two containers:a 10-mL graduated cylinder with marks at every mL, and a 1-mL pipetmarked at every 0.1 mL. I
Reptile [31]

Answer:

B. 0.1 mL

Explanation:

The solution explanation has been attached.

6 0
3 years ago
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