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bezimeni [28]
3 years ago
9

Select all of the following statements which are true of water.

Chemistry
1 answer:
Juliette [100K]3 years ago
7 0

The answers are b), c) and d)

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What will the pressure be if 89.9 moles of argon are contained in a 12.0 L cylinder that is pressurized at a temperature of 300
irinina [24]
  • P=nRT/V
  • p=89.9(8.314)(12)/300
  • P=8969.14/300
  • P=29.89atm
  • P=29.9atm

Done!

7 0
2 years ago
How many protons neutrons and electrons does an electrically neutral atom of nickel have?
belka [17]
Since nickles atomicnumber is 28, that means it has 28 protons, which are positively charged. To cancel out the positive charge and make it nuetral, there isalso 28 electrons which are negatively charged.

Nickel has 31 neutrons because an atoms mass is the number of protons + neutrons. The # of protons is 28. The mass # is 59. So, there are 31 neutrons.
5 0
3 years ago
Refer to the following illustration. How many hydrogen atoms could bond with oxygen?
WITCHER [35]
2. 

The reason why is because there are 2 available electron spots on the orbital for the oxygen atom. Hydrogen atoms have one proton and one electron, thus, in order to fill the oxygen atom orbital to a full outer shell, a maximum of 2 atoms could bond with the oxygen atoms. 

6 electrons (oxygen)+ 1 electron (hydrogen)+ 1 electron (hydrogen)= 8 
4 0
3 years ago
Read 2 more answers
Which one does not share the same properties as the other
myrzilka [38]

Answer:

Ti

Explanation:

Ti is titanium and does not share any similar properties with the likes of Si, silicon and At, astatine.

  • Titanium is a transition metal and a solid.
  • Silicon and Astatine are non - metals.
  • Silicon and Astatine also belongs to the p-block on the periodic table whereas Titanium is found on the d-block.
  • Silicon and Astatine would prefer to take part in reactions where they can gain electrons because they are non metals whereas Titanium due to its metallic property would prefer a reaction where it can lose electrons.

5 0
2 years ago
A saturated solution of pbcl2 is found to contain 2.88 x 10-2 m chloride ions. what is the correct value of the solubility produ
bazaltina [42]

The solubility equilibrium of PbCl_{2}:

PbCl_{2}(aq)  Pb^{2+}(aq) + 2 Cl^{-}(aq)

K_{sp}=[Pb^{2+}][Cl^{-}]^{2}

[Cl^{-}] = 2.88 * 10^{-2} M

[Pb^{2+}]=\frac{[Cl^{-}]}{2} = \frac{2.88 * 10^{-2}}{2}=1.44 *10^{-2}

K_{sp}=[Pb^{2+}][Cl^{-}]^{2}

= (1.44 * 10^{-2})(2.88*10^{-2})^{2}

= 1.19 * 10^{-5}

So, the corrected solubility product will be 1.19 * 10^{-5}

4 0
3 years ago
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