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How many atoms are contained in a block of aluminum metal measuring 6 mm x 8 mm x 18 mm? The density of aluminum is 2.7 g/cm3.
capsaicin the compound that gives the hot taste tonbspchili peppers has the formula c18h27no3.a calculate its molar
What mass (in g) of iron is needed to evolve 730.5 kJ of heat under standard conditions as it forms iron(III) oxide
What concentration of CH3NH3Br is necessary to prepare a pH = 10.00 buffer solution assuming the base concentration is 0.69 M (Kb for CH3NH2 = 4.4 x 10-4). For this problem, include the correct units of M.
How many milliliters of 0.10 M HCl must be added to 21.9 mL of 0.40 M HCl to give a final solution that has a molarity of 0.25 M
What alcohol would be most easily dehydrated. One that is on a long chain or a short chain
In glycolysis, NAD+ is reduced to NADH. This NADH must be reoxidised to allow glycolysis to continue. there are various machanisms involved in the reoxidation of NADH to NAD+. With Balanced equations, describe these mechanisms
Oxalic acid is an organic acid with the formula H2C2O4. THerefore, the polyatomic anion derived from this acid will have what formula and what name. Explain
Find vapor pressure and density of liquid water at room temperature; state your source. Calculate the new vapor pressure of water at the same temperature when 740 torr of dry
Calculate the pH of a solution containing an amphetamine concentration of 200 mg/L. Express your answer to one decimal place.
If you dilute 25.0 mL of 1.50 M hydrochloric acid to 500 mL, what is the molar concentration of the dilute acid
A pressure measuring device indicates that the blood pressure of a normal person oscillates between 120 mm Hg (at the peak of the heartbeat) and 80 mm Hg (between heartbeats).
What liquid is insoluble in water and soluble in cyclohexane and alcohol; and has a boiling pint of 58 degress Celsius at 670 mm Hg.
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