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The following are hypothetical configurations for a chlorine atom.
1. 1s22s22p63s33p4
2. 1s22s22p63s23p5
3. 1s22s22p63s13p6
4. 1s22s22p73s23p4
5. 1s22s32p63s23p4
6. 1s22s22p63s22d7
Which use nonexistent orbitals? Select all possible answers.
Calculate the number of grams of sucrose (C12H22O11) needed to prepare 0.500 L of a 1.00 M sucrose solution. 1. 85.5 g 2. 171 g 3. 342 g 4. 684 g
If a chemical reaction occurs at a rate of 2.25 * 10-2 moles per liter per second at 322 K, what is the rate expressed in moles per liter per minute?
A gas expands and does P-V work on the surroundings equal to 323 J. At the same time, it absorbs 145 J of heat from the surroundings.
Calculate Keq for 3 moles of electron(s) in each half-reaction and a standard potential of 0.47 V.
A critical reaction in the production of energy to do work or drive chemical in biological systems is the hydrolysis of adenosine triphosphate, ATP to adenosine diphosphate ADP as described by ATP(aq) + H20(l) ----> ADP(aq) + HPO4^2- (aq)
How would I build a molecule of C(CH3)3Br ? I am using a software called Webmo and MOPAC. Whenever I build a molecule, it would always end up like this C4H9Br?
A solution of 0.0041 M of an unknown acid has a pH of 3.195. Calculate the Ka value for the unknown acid, HA.
Determine how much fluorine was formed if A sample of NaF(sodium fluoride) produced 26.5 grams of sodium upon decomposition? express your answer (in grams)
Consider the subsequent cell: Pt|H2(g, 1.880 atm)|H (aq, M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.0500 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, compute the hydrogen ion conc..
Silicon is widely used in the semi-conductor industry. Its isotopes and their anatomic masses are:Si-28 (27.9769amu), Si-29 (28.9765amu), and Si-30 (29.9794amu) Which is the most abundant
Compute the concentration of oxalate ion (C2O4) in a 0.175 M solution of oxalic acid (C2H2O4). For oxalic acid, Ka1 =6.5*10-2 and Ka2 = 6.1 * 10-5
Naturally occurring cobalt consists of only one isotope, ^59Co, whose relative atomic mass is 58.9332. A synthetic radioactive isotope of cobalt, ^60Co, relative atomic mass 59.9338, is used in radiation therapy for cancer.
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