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MrRa [10]
2 years ago
11

Please do for 30 points its due today. ( if you waste my points i will report.)

Chemistry
1 answer:
finlep [7]2 years ago
5 0

Answer:

Sorry ill put an answer if this is wrong but your asking if its good right?

OK I like it you have really neat hand righting and everything seems organized very well I think you should pass on this its very nice!

Explanation:

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How many liters of 1.5 M HCl solution would react completely with 2.5 moles Ca(OH)2? (2 points)
mylen [45]
Here’s the math for your answer, which is 3.3 L HCl

6 0
3 years ago
What is the Na+ concentration in each of the following solutions:
iren [92.7K]

Sodium Sulfate = Na2(SO4) meaning there are two ions of Na+ in one mole of Sodium Sulfate the M stands for Molarity, defined as Molarity = (moles of solute)/(Liters of solution), So if the Na2SO4 solution is 3.65M that means one Liter of has 3.65 moles of Na2SO4, the stoichiometry of Na2SO4 shows that there would be two Na+ ions in solution for every one Na2SO4.

Therefore if 3.65 moles of Na2SO4 was to dissolve, it would produce 7.3 moles of Na+, and since this is still a theoretical solution, we can assume 1 L of solution.

Finally we find [Na+] = 2*3.65 = 7.3M

Use the same logic for parts b and c




5 0
3 years ago
Which of the following metalsts diamagnetic?
allsm [11]

Answer:

cesium

Explanation: because it says so online I have no idea what you are talking about  so I guess google is correct

4 0
3 years ago
Which resonance structure would most likely create the infrared (IR) spectrum for the equilibrium geometry calculation of SCN −
rjkz [21]

Answer:

Resonance Structures for SCN-:[S-C N]-

Resonance StructureEnergy (kJ/mol)[S-C N]--23.00[S=C=N]

3 0
3 years ago
Your teacher directs you to combine two liquid substances into a flask. after you combine them, you notice that the flask feels
adelina 88 [10]

Answer : The correct option is (A).

Explanation :

  • Endothermic reaction : When two liquids are combine into a flask, then the flask feels cold when we touch it because the system absorbed heat from the surrounding.

In general, endothermic process absorbs heat and cool the surrounding.

  • Exothermic reaction : When two liquids are combine into a flask, then the flask feels hot when we touch it because the system released heat into the surrounding.

In general, exothermic process releases heat and rise the temperature of surrounding.

3 0
3 years ago
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