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A student wants to conduct an experiment requiring 500 ml of a 3 M sulfuric acid 18 M concentrated sulfuric acid is available. How could the student prepare the desired solution. Throught mv=mv I got he could prepare through a initial volume of 83.3 ml. How much solid sodium hydroxide is needed to neutralize the 500 ml of 3 M acid in problem above. Answer probably needs a balanced equation.
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1817 nm and the second at 97.20 nm, to return to the ground state (n=1).
Determine how many kgs of Ca are there in a 205-pound man If 1.4 percent of the mass of a human body is calcium(Ca)?
Suppose that 0.82 g of water condenses on a 80.0 g block of iron that is initially at 24 C.If the heat released during condensation goes only to warming the iron block
Determine the pressure in Standard atmospheres,Torr and mm Hg units when A gauge on compressed gas cylinder reads 1500 psi ( pounds per square inch; 1 atm =14.7 psi).
If a 180mg piece of gold (density =19.32g/cm^3 ) is hammered into a sheet measuring 2.1ft x 1.0ft , what is the average thickness of the sheet in meters?
Lead thiocyanate, rm Pb(SCN)_2, has a K_sp value of 2.00 times 10^{-5}.Calculate the molar solubility of lead thiocyanate in 1.00 it M rm KSCN.
A 1.20 sample of dry ice is added to a 745 mL flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 735mmHg .
If 12.5 g of iron(III) oxide (rust) are pro- duced from 8.74 g of iron, how much oxygen gas is needed for this reaction?
How much water must be added to 488 mL of 0.223 M HCl to produce a 0.134 M solution?
A scientists places 4.00 moles of Argon, Ar (g) and 2.00 moles of Helium, He (g) into a flask at the temperature of 298 Kelvin and measures the pressure to be 3.00 atm. calculate the pressure due to Helium gas?
A flask contains a mixture of Ne(g) and Ar(g). There are 0.250 mol of Ne(g) which exerts a pressure of 205 mmHg. If the Ar(g) exerts a pressure of 492 mmHg.
Write the structures of the saytzeff elimination
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