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Compute pCu+ for titration of 10.00 mL of 0.05000 M of Cl- with 0.02500 M Cu+ standard solution when 4.500 mL, 20.00 mL and 21.40 mL of titrant have been added.
Plot titration curve for same titration if concentration of titrant is increased to 0.0500 M. What effect does this have on shape of titration curve?
Excess AgNO3 was then titrated using 4.06 mL of 0.0625 M KSCN. What was % P2O5 in original plant food sample?
Draw Lewis structure and find out molecular geometry of given compounds which may fit into active site of this enzyme.
You require to find out which elements will most probable combine with oxygen to produce oxides which are present in the sample.
Write down the balanced molecular equation of reaction performed. Write physical state of each species (aq, l, g, or s) .
How many grams of Ca3(PO4)2are produced when 450.0 g NaCl are formed in reaction? How many grams of Na3PO4 should be given to reaction to form 800.0 g Ca3(PO4)2.
Peristaltic movement, what are peristatic movement?and thir role in human digestion ?process of chylomicrons?Special route that lipids follow in digestion
The sample of material in container is analyzed, and it is found to contain exactly 0.67 moles of sodium atoms. How many moles of oxygen atoms are in sample?
Acetylene gas (C2H2) is produced by adding water to calcium carbide (CaC2). Find out how many grams of CaC2 are required to react completely with 1.92 g of H2O.
Reaction therefore reverses as soon as light is removed.If 310 kJ/mol of energy is needed to make reaction proceed, what wavelength of light is essential?
Peristaltic movement, what are peristatic movement?and thir role in human digestion ?process of chylomicrons?i think there is no boundation for 100 character/
Find the percent by mass of sulfur trioxide (SO3) if oleum is expressed as. Explain at least three potentially hazardous features related with concentrated sulfuric acid.
How much heat is exchanged when 14.3 kg of iron (Fe) rusts? Compute standard change in enthalpy, ΔH°rxn, for decomposition of calcium carbonate to calcium oxide.
Find the amount of heat (kJ) required if 64.0 kg of H2O is heated from 25°C to 85°C? 200.0 g Al (C = 0.900 ) at 95°C is added to 85.4 g H2O at 25°C.
When initial concentration of SO3(g) is 0.128 M, concentration of oxygen gas at equilibrium is found to be 0.0130 M. Compute Kc for this reaction.
Find out amount of nitrogen and oxygen (in grams) in cup (236 mL) of water under atmospheric pressure of 760 mmHg, supposing that air is 80% N2 and 20% O2.
For solvents below with their value for Kb (in parenthesis). If solute is added to each of solvents to a 1.0 m concentration, which solvent would show largest change in boiling point?
A 100 mL solution of 0.5 M NaOH is added to 100 mL solution of 0.5 M H2SO4. Find out the pH of solution. (pKa1 < 0, pKa2 = 1.96). Write any essential assumptions.
What critiera use to categorize organisms as belonging to one "species" compared to another. What characteristics do all "vertebrates" share?
What mass of CO2 do you introduce into earth's atmosphere by completely burning one tank of gasoline in the automobile?
The two half-cells are connected with the salt bridge of saturated KNO3. Find potential of this cell at 35.0°C? Find K value for net cell reaction at 35.0°C?
Write some of the causes of dehydration? Define diuretic and include two examples. Write some ways to counter effects of diuretics in body?
About 75% of average adult body's weight is comprised of water alone. Write signs and symptoms of dehydration? How dehydration can be treated and prevented?
Compound P binds with X to form complex PX. Create the Scatchard plot of ΔA/*X+ versus ΔA to find equilibrium constant K for binding event.