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Can you explain acid and base relationship in Chemistry? Ie. Nacl and OH and how you can identify the prosperity of an acid and base question
What wavelength lambda should the astrophysicist look for to detect a transition of an electron from the n= 7 to the n=3 level
1the internal combustion engines found in most automobile are heat engines that operate between the internal engine
Prepare a qualitative Born-Haber cycle to explain why only the most electropositive elements form saline hydrides
A gaseous mixture containing 0.200 mol fraction of carbon tetrachloride (CCl4) and 0.800 mol fraction of dry air is initially at 73.0 °C and 1029 mmHg. what temperature does the CCl4 first start to condense
Draw two molecules that are diastereomers and calculate the energy of each. Then draw two molecules that are enantiomers and calculate the energy of each. (You may use the same molecule twice). Comment on how the results agree or do not agree with..
When 50.0 g of iron(III) oxide reacts with carbon monoxide, 32.8 g of iron is produced. What is the percent yield of the reaction? Fe2O3(s)+3CO(g)-->2Fe(s)+3CO2(g)
Explain Net Ionic Equations and Balancing, These are only eight out of a fifty-three question hand out, but with eight answers to reference off of I think I'll be far more successful in my attempts at this.
What is the formal charge on the central chlorine atom in the molecular ion [ClO4]-. Assume that all of the Cl-O bonds are single bonds
what is the mass in grams of A) 6.21 mol of KBr B) 10.2 mmol of PbO C) 4.92 mol of MgSO4 d) 12.8 mmol of Fe(NH4)2(SO)4 6H2)
a 280ml flask contains pure helium at a pressure of 754 torr . a second flask with a volume of 475ml contains pure
3.953g of egg shell was reacteed with 50ml of 0.1 mol/l hcl and shel contains ca2co3 after all the sheell reacted resultign solution was placed in a columetric flask and th colume made up to be 100ml.
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 72% of the Mg2 be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 multiplied by 10-12.]
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