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A laboratory stockroom has a stock solution of 90% (m/v) sulfuric acid, H2SO4 (aq). If a technician dilutes 50ml of the stock solution to a final volume of 300ml, explain what will be the new mass/volume percent concentration? The dilution formula can be utilized for concentration expressed in any units, offer that the units remain the same.
how does the energy of two photons corresponding to a wavelength of 451 nm blue light compare with the energy of three
Citronellol or dihydrogeraniol is a naturally occurring oil. The IUPAC name for citronellol is 3,7-dimethyl-6-octen-1-ol. (+)-Citronellol, which is found in citronella oils, is the more common isomer.
you take stoichiometric amounts of 2-heptene c7h14 and oxygen in a sealed 1.500 l flask and allow them to react. the
Sketch a cylinder with ten molecules of helium (He) gas. The cylinder has a movable piston. Label this sketch before. Make an after sketch to represent
when relatively small amounts of magnesium burn the fires are extinguished using commercially available dry powder. why
Phosphorus, P, is combined with flourine F2, to give a gaseous compound with the formula PFx. If you start with 2.982 grams of P and isolate 12.129 grams of PFx, what is the value of x?
The rate law for the reaction, 2NO(g) + O2(g) 2NO2(g), is found to be: rate of reaction = k [?NO]2?[O2?]2. The first, fast step is 2NO(g) N2O2 (g)
Solid cobalt(II) hydroxide dissociates in water according to the following expression. Co(OH)2(s) Co2+(aq) + 2 OH-(aq) If 1.00 L of saturated Co(OH)2 solution is neutralized by 15.20 mL of 0.00150 M HCl
because of the slightly solubility 0.59mgl. of ba3po42 all of the ba2- and po43- do not precipitate from solution.a.
Which one of the following molecules has a zero dipole moment? A. CO B. CH2Cl2 D. SO2 C. SO3 E. NH3 67. Indicate the type of hybrid orbitals used by the central atom in CCl4. A. sp B. sp2 C. sp3 D. sp3d E. sp3d2 68. What is the hybridization of th..
If 100 mL of hydrogen gas is placed in a flask, what volume of oxygen gas would need to be added to the flask in order to have complete reaction to form water
What is the minimum amount of 5.2 M H2SO4 necessary to produce 23.0 g of H2? according to the following reaction. 2Al(s)+3H2SO4(aq)-->Al2(SO4)3 (aq)+3H2(g)
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