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Levart [38]
4 years ago
15

24 what is the correct name for the compound cocl?

Chemistry
2 answers:
Musya8 [376]4 years ago
7 0

colbalt(III) chloride


Airida [17]4 years ago
5 0
Cobalt(II) Chloride, is the correct name for that compound cocl.
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Borax (na2b4o7·10h2o; fw = 381.372 g/mol; density = 1.73 g/ml), a primary standard, was used to standardize a solution of hno3.
SashulF [63]
<span>0.06355391 mol The balanced equation for the reaction is Na2B4O7*10H2O + 2 HNO3 = 2 NaNO3 + 4 H3BO3 + 5 H2O So for each mole of Borax to neutralize, it takes 2 moles of HNO3. Calculate number of moles of Borax 0.2619 g / 381.372 g/mol = 0.0006867 mol Moles of HNO3 used = 0.0006867 mol * 2 = 0.0013734 mol Molarity is defined as moles per liter so divide the number of moles used by the volume in liters. So 0.0013734 / 0.02161 = 0.06355391 mol</span>
3 0
4 years ago
2 A 3-meter-long ramp was used to lift gold into railroads for transfers. The railroads were 1 meter off the ground. What was th
Nataliya [291]

Answer:

3

Explanation:

For an ideal ramp, M.A/V.R = 1 where M.A = mechanical advantage and V.R = velocity ratio.

Now, V.R = distance moved by effort, d'/distance moved by load, d = d'/d

Now, d' = 3 m and d = 1 m.

So, V.R = d'/d = 3 m/1 m = 3

From M.A/V.R = 1

M.A = V.R = 3

So, the ideal mechanical advantage of the ramp M.A = 3  

6 0
3 years ago
How far will a car go that is moving at 10 m/s in 1 hour
Airida [17]

Answer:

36,000 miles in one hour.

Explanation:

Because there are 60 seconds in a minute and 60 minutes in an hour so to find out how many seconds are in an hour you multipy 60x60 to get 3600. Then to find out how many miles in the 3600 seconds you multiply 10 x 3600 to get 36000.

4 0
4 years ago
Several properties of the element magnesium are shown. Which one is a chemical property?
aniked [119]

Answer:

E

Explanation:

burning a substance changes it chemically.

4 0
3 years ago
Which element would have the most valence electrons and also be able to react with hydrogen?
Andrej [43]

Answer:

Fluorine, Chlorine, Bromine, or Iodine

Explanation:

These all have an ALMOST full valence shell. And they need one more electron so they'd react with hydrogen

3 0
4 years ago
Read 2 more answers
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