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Question- How long would it take to consume 13 mg of Magnesium in 4.2ml of 1.25 M HCL?Show all work please?
State your answer by means of three significant figures.
a gas at 350k and 12 atm has a molar volume 12 larger than that calculated from the perfect gas law. calculate a the
Aluminum has a density of 2.99 grams per cubic cm. and a specific heat of 0.22 calories per gram degree Celsius. A cube of aluminum is sitting out in the sun where it absorbs 16.2 calories of heat and warms from 62*F to 149*F How many inches wide ..
What is the pH of the solution when 50 grams of Ca(OH)2 was added to 1 liter of water? Ksp of Ca(OH)2 = 6.5 x 10^-6
Identify the nuclide produced when fluorine-18 decays by positron emission:18/9F->0/1e+ Identify the nuclide produced when thallium-201 decays by electron capture: 201/81Tl+0/-1e->0/0radiation+
When you allow a can of carbonated beverage to sit open so that the carbon dioxide is released to the atmosphere ,does the pH of beverage remain the same,increase or decrease. Explain
The subsequent potential readings were obtained: (1) 2.00 × 10-4 M A+ + 1.00 × 10-3 M B+, +237.8 mV; and (2) 4.00 × 10-4 M A+ + 1.00 × 10-3 M B+, +248.2 mV. Calculate KA/B. The electrode response is 56.7 mV/decade.
Calculate the energy change, in J, for 1 gmol of H2O 1) 0 to 100km/h 2) 0 to 100m 3) at 100'C from 0.1 bar to 1 bar 4) at 5bar from 0 to 100'C 5) Dissociating to H2 and O2 at 25'C
A series of lines in the spectrum of neutral Li atoms rise from combinations of 1s22p12p with 1s2nd12D and occur at 610.36nm, 460.29 nm, and 413.23 nm The d orbitals are hydrogenic. It is known that the 2p term lies at 670.78 nm above the ground s..
The heat of vaporization of 1.0 mole of water at 100°C and 1.0 atm is 40.6 kJ. Calculate the change in entropy for the process H2O(l) → H2O(g). Document your work here.
Litmus paper is a classic pH indicator. Describe the color change litmus paper undergoes when placed in both acidic and basic solutions
Utilize this information to define why infrared detectors using semiconductors are usually cooled to low temperatures example 77 K using liquid nitrogen to reduce dark current that is electrical signal in the absence of an IR source.
If 20.22mL of a 0.100M NaOH solution is required to reach the stoichiometric point for a strong monoprotic acid titration, what volume of 0.100M NaOH would be required to reach the stoichiometric point for a weak monoprotic acid solution
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