Chemistry concepts and calculations
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A lithium ion battery, such as found in a cell phone, operates at a high cell po
A lithium ion battery, such as found in a cell phone, operates at a high cell potential based on the following half-cell reactions: CoO_2 + Li^+ + e^- doubleheaded arrow LiCoO_2 E…
A little bit of background, we\'ve made an electronic POS system for registered
A little bit of background, we've made an electronic POS system for registered vendors of items of a well known brand. The vendors are required to login to use the system. Recentl…
A little confused with the notion of stateful/stateless architectures. Forgive m
A little confused with the notion of stateful/stateless architectures. Forgive me if I'm unclear. Questions: Can we consider a clients interaction with a web server to be stateful…
A lively discussion is under way at Sunrise Software, where you are a project ma
A lively discussion is under way at Sunrise Software, where you are a project manager. The main question is whether the person-days concept has limitations. In other words, if a t…
A living specimen in equilibrium with the atmosphere contains one atom of 14C (h
A living specimen in equilibrium with the atmosphere contains one atom of 14C (half-life = 5 730 yr) for every 7.70 × 1011 stable carbon atoms. An archeological sample of wood (ce…
A load (thermo scores.dat (a) Extract the scores and student number for student
A load (thermo scores.dat (a) Extract the scores and student number for student 5 into a row vector named student 5. (b) Extract the scores for Test 1 into a column vector named t…
A local FM radio station broadcasts at a frequency of 99.0 MHz. Calculate the wa
A local FM radio station broadcasts at a frequency of 99.0 MHz. Calculate the wavelength at which it is broadcasting a (1 MHz = 10^6 Hz) a. 3.30 times 10^-13 m b. 3.37 times 10^-1…
A local department store hires you to write an automated checkout program to exp
A local department store hires you to write an automated checkout program to expedite customers in a hurry. The checkout line can only accept five items for any one purchase. Desi…
A local fishing village is located on the bank of a small lake with a volume of
A local fishing village is located on the bank of a small lake with a volume of approximately 30 million liters. Upstream from the lake is a chemical waste plant that has been slo…
A local neighborhood pond has a C_T = 1.0 mM, I = 0 and a pH = 8.3 in its surfac
A local neighborhood pond has a C_T = 1.0 mM, I = 0 and a pH = 8.3 in its surface water. Using pK'_a1 = 6.3 and pK'_a2 = 10.3, calculate the ratio of [CO^2-_3] to [HCO^-_3] and [H…
A local supermarket specializing in breakfast cereals decides to analyze the buy
A local supermarket specializing in breakfast cereals decides to analyze the buying patterns of its customers. They make a small survey asking 6 randomly chosen people their age (…
A logic circuit realizing the function f has four inputs A, B, C and D. The thre
A logic circuit realizing the function f has four inputs A, B, C and D. The three inputs A, B, C are the binary representation of the digits 0 through 7 with A being the most-sign…
A logical claim is accepted by science a) it is unverified by the scientific met
A logical claim is accepted by science a) it is unverified by the scientific method b) it is fully verified by Mr. Spock (obviously not the answer) c)if it is fully verified by th…
A long horizontal string carries a transverse wave travels to right. A 6.20 m se
A long horizontal string carries a transverse wave travels to right. A 6.20 m segment of the long string has 4 complete wavelengths and has mass of 150g. It vibrates sinusoidally …
A long thin wire, hundreds of meters long, carries a uniformly distributed charg
A long thin wire, hundreds of meters long, carries a uniformly distributed charge of -4.5 mu C per meter of length. Estimate the magnitude of the electric field at point 5.5 m per…
A long, thin, rod of mass M = 0.500kg and length L = 1.00 m is free to pivot abo
A long, thin, rod of mass M = 0.500kg and length L = 1.00 m is free to pivot about a fixed pin located at L/2. The rod is held in a vertical position as shown below. It is struck …
A lost all the mass of an atom is concentrated in the nucleus. True False In an
A lost all the mass of an atom is concentrated in the nucleus. True False In an endothermic process, heat is absorbed by the system. True False The atomic number is equal to the n…
A lot of JavaScript libraries (notably jQuery) use chaining, which allows the re
A lot of JavaScript libraries (notably jQuery) use chaining, which allows the reduction of this: var foo = $(".foo"); foo.stop(); foo.show(); foo.animate({ top: 0 }); to this: $("…
A lot of developers, especially ones who haven\'t used Node.js in production, se
A lot of developers, especially ones who haven't used Node.js in production, seem to believe that Node.js is faster than other interpreted languages such as PHP, Python, and Ruby.…
A lot of frameworks, most like jQuery plugins uses the \"optional\" parameter. B
A lot of frameworks, most like jQuery plugins uses the "optional" parameter. Basically a dictionary (or key/value structure) with a bunch of additional parameters instead of send …
A lot of my security experienced friends have told me that I need to code my web
A lot of my security experienced friends have told me that I need to code my web applications for working under the Suhosin PHP patch, Suhosin being "an advanced protection system…
A lot of password managers seems to promote client-side encryption as a key feat
A lot of password managers seems to promote client-side encryption as a key feature of their service. For example : LastPass, Firefox Sync, PasswordBox, etc... They all say someth…
A lot of us started seeing this phenomenon with jQuery about a year ago when peo
A lot of us started seeing this phenomenon with jQuery about a year ago when people started asking how to do absolutely insane things like retrieve the query string with jQuery. T…
A loud classroom demonstration involves igniting a hydrogen-filled balloon. The
A loud classroom demonstration involves igniting a hydrogen-filled balloon. The hydrogen within the balloon reacts explosively with oxygen in the air to form water. If the balloon…
A luge and its rider, with a total mass of 54 kg, emerge from a downhill track o
A luge and its rider, with a total mass of 54 kg, emerge from a downhill track onto a horizontal straight track with are (d) F, (e) d, and (1) W if they, Instead, slow at 5.8 m/s'…
A macro to Copy/Paste a varying number of rows?? I have data in on sheet \"Order
A macro to Copy/Paste a varying number of rows?? I have data in on sheet "Orders" in rows A to N, each row is info on a quote, that may turn into an order. Row H contains a formul…
A macro to Copy/Paste a varying number of rows?? I have data in on sheet \"Order
A macro to Copy/Paste a varying number of rows?? I have data in on sheet "Orders" in rows A to N, each row is info on a quote, that may turn into an order. Row H contains a formul…
A magic number is the name given to certain numbers of protons or neutrons that
A magic number is the name given to certain numbers of protons or neutrons that have a high correlation to stability in nuclei: magic numbers of protons:magic numbers of neutrons:…
A magician chemist can convert 1 speck of red dust into 2 specks of blue dust. N
A magician chemist can convert 1 speck of red dust into 2 specks of blue dust. Now, 6.02 x 1023 pieces of red dust weigh 326 grams, and 6.02 x 1023 pieces of blue dusts weigh 400 …
A magician pulls a tablecloth from under a 200g mug located 30.0cm from the edge
A magician pulls a tablecloth from under a 200g mug located 30.0cm from the edge of the cloth. The cloth exerts afriction force of .100N on the mug, and the cloth is pulled with …
A magnetic field has many properties similar to an electric field Theory: 1. Whe
A magnetic field has many properties similar to an electric field Theory: 1. When you bring two charged particles near each other, what happens? Does it matter whether you use+ or…
A magnetic field is perpendicular to the plane of a single-turn circular coil. T
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.27 V and a current of 2.1 A are induced …
A magnetic field passes through a stationary wire loop, and its magnitude change
A magnetic field passes through a stationary wire loop, and its magnitude changes in time according to the graph in the drawing. The direction of the field remains constant, howev…
A main advantage of fluorescence spectroscopy is that emission intensity is dire
A main advantage of fluorescence spectroscopy is that emission intensity is directly related to radiation source intensity. Which of the following experimental changes will lead t…
A main group element with the valence election configuration 5s1 is in periodic
A main group element with the valence election configuration 5s1 is in periodic group It forms a monatomic 1011 with a charge of A main group element with the valence electron con…
A main isotope of concern for Fukushima (and Tshernobyl) is iodine 131 which, wh
A main isotope of concern for Fukushima (and Tshernobyl) is iodine 131 which, when taken up, accumulates in the thyroid. Iodine 131 has a half…
A major component of gasoline is octane (C8H18). When octane is burned in air, i
A major component of gasoline is octane (C8H18). When octane is burned in air, it chemically reacts with oxygen gas (O2) to produce carbon dioxide (CO2) and water (H2O). What mass…
A major component of gasoline is octane . When octane is burned in air, it chemi
A major component of gasoline is octane . When octane is burned in air, it chemically reacts with oxygen gas to produce carbon dioxide and water . What mass of octane is consumed …
A major component of gasoline is octane . When octane is burned in air, it chemi
A major component of gasoline is octane . When octane is burned in air, it chemically reacts with oxygen gas to produce carbon dioxide and water . What mass of octane is consumed …
A major component of gasoline is octane . When octane is burned in air, it chemi
A major component of gasoline is octane . When octane is burned in air, it chemically reacts with oxygen gas to produce carbon dioxide and water . What mass of carbon dioxide is p…
A major pollutant in waste water are phosphate ions (PO 4 3- (aq)), which can be
A major pollutant in waste water are phosphate ions (PO43-(aq)), which can be removed through the addition of Mg2+(aq) ions. If 3.00*103 L of polluted water contains 2.2*10-3 mol/…
A major reaction that takes place in the atmosphere is: 2 NO(g) + O_2(g) = 2 NO_
A major reaction that takes place in the atmosphere is: 2 NO(g) + O_2(g) = 2 NO_2(g) The equilibrium constant. K_c. of this reaction at a temperature of 500 K is 6.9-10^5. A react…
A major reaction that takes place in the atmosphere is: 2NO(g) + O_2(g) 2NO_2(g)
A major reaction that takes place in the atmosphere is: 2NO(g) + O_2(g) 2NO_2(g) The equilibrium constant, K_c, of this reaction at a temperature of 500 K is 6.9 10^5. A reaction …
A mall and its customer occupants is to be modeled by a Java program. The mall i
A mall and its customer occupants is to be modeled by a Java program. The mall is assumed to be rectangular in shape with a length and width defined. The mall will keep track of t…
A man accidentally mixed 6% by mass sodium hypochlorite and 20% by mass sodium t
A man accidentally mixed 6% by mass sodium hypochlorite and 20% by mass sodium thiosulfate. He claims to have suffered second degree burns after having the solution on his skin fo…
A man ate 0552 pound X mheducation.com/hm.tp lace your bookmarks here on the boo
A man ate 0552 pound X mheducation.com/hm.tp lace your bookmarks here on the bookmarks bar, Import bookmarks now. E connect CHEMISTRY Question oints 3 atempts e Check my work Be s…
A man heats a balloon in the oven. If the balloon initially has a volume of 2.0
A man heats a balloon in the oven. If the balloon initially has a volume of 2.0 L and a temperature of 293K, what will the final temperature of the balloon be after he heats it an…
A man heats a balloon in the oven. If the balloon initially has a volume of 2.0
A man heats a balloon in the oven. If the balloon initially has a volume of 2.0 L and a temperature of 293K, what will the final temperature of the balloon be after he heats it an…
A man stands on a platform that is rotating (without friction) with an angular s
A man stands on a platform that is rotating (without friction) with an angular speed of 1.51 rev/·his arms are outstretched and he holds a brick in each hand. The rotational inert…
A man stands on the roof of a 13.0 m -tall building and throws a rock with a vel
A man stands on the roof of a 13.0 m -tall building and throws a rock with a velocity of magnitude 30.0 m/s at an angle of 42.0 above the horizontal. You can ignore air resistance…
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