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Arlecino [84]
3 years ago
5

Help me Please! I don’t understand it

Chemistry
1 answer:
Serhud [2]3 years ago
7 0
Dividing by 6.02 x 10^23
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When an object such a a stone is dropped into water, it disturbs the surface of the water. Waves form at the surface of the wate
sammy [17]

Answer: sorry i’m late but the answer is D- wavelength :)

Explanation:

4 0
3 years ago
4.13 moles of chromium (III) nitride weighs how much?
Leya [2.2K]

Answer: 272.5915639999...

Explanation:

3 0
3 years ago
I am confused. Can yall help me answer this question? Also if you do, please show your work.
Eva8 [605]
Answer is: <span>volume of the acid is 0,075 L.
</span>Chemical reaction: KOH + HCl → KCl + H₂O.
V(KOH) = 30 mL · 0,001 L/mL = 0,3 L.
c(KOH) = 0,5 M = 0,5 mol/L.
c(HCl) = 2 M = 2 mol/L.
V(HCl) = ?
From chemical reaction n(KOH) : n(HCl) = 1 : 1.
n(KOH) = n(HCl).
c(KOH) · V(KOH) = c(HCl) · V(HCl).
0,5M · 0,3 L = 2M · V(HCl).
V(HCl) = 0,075 L.
8 0
2 years ago
The density of water is 1 gm/ml. An object has a mass of 58 grams. What volume must it have in order to float in water?
Keith_Richards [23]

Answer:

58mL

Explanation:

Given parameters:

Density of water  = 1g/mL

Mass of object  = 58g

Unknown:

The volume the object must have to be able to float in water = ?

Solution:

To solve this problem, we know that the object must have density value equal to that of water or less than that of water to be able to float.

We then set its density to that of water;  

   Density  = \frac{mass}{volume}  

      Volume  = \frac{mass}{density}  

So;

      Volume  = \frac{58}{1}   = 58mL

7 0
2 years ago
Which statements correctly describe the rock cycle? Check all that apply.
pickupchik [31]

Answer: I italicize for checking

  1. <em>Rocks are preserved through the process.</em>
  2. <em>Rocks change from one type to another.</em>
  3. <em>Different rock groups are interrelated.</em>
  4. Rocks change from one type to another in a specific order.
  5. <em>Environmental conditions influence a change in rock type.</em>

Explanation:

Rocks are preserved, as in you can't destroy them completely, but no, they don't <em>stay </em>the same they change.

3 0
3 years ago
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