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If each mole of gas occupies 59 L under the conditions of the explosion, how many liters of gas are produced. Express your answer using two significant figures. How many grams OF N2are produced in t
The fuel used in many disposable lighters is liquid butane, C4H10.How many carbon atoms are in 2.00 g of buta? Express numerically in atoms
20 g of compound is dissolved in 400 mL of water. A single extraction with 100 mL of diethyl ether was performed, after which ethereal phase contained 10 g of compound. Calculate the partition coeff
how many total moles of gas are produced? B. If each mole of gas occupies 59 L under the conditions of the explosion, how many liters of gas are produced? C. Express your answer using two significan
B. If each mole of gas occupies 59 L under the conditions of the explosion, how many liters of gas are produced. C. Express your answer using two significant figures. How many grams OF N2are produce
If you have an organic layer that contains an organic acid, an organic base, and a nautral organic compound, what is in the organic layer after complete treatment with NaOH(aq), followed by complete
list the names and chemical formulas for two allotropes of oxygen, three allotropes of phosphorus, and four allotropes of carbon
When a mixture of 12.5g of acetylene (C2H2) and 12.5g of oxygen (O2) is ignited, the resultant combustion reaction produces CO2 and H2O
Assume an organic compund has a partition coefficient between water and diethyl ether equal to 7.65. If there are initially 8.01 grams of the compound dissolved in 90.0mL of the water
This cAMP activates an enzyme phosphorylase that splitsglycogen, releasing glucose that is rapidly metabolized, replenishing the ATP supply.Devise a model of this control loop and determine conditio
For some enzyme reactions (for example, the hydrolysis of cAMP by phosphodiesterase in vertebrate retinal cones)the enzyme is present in large quantities,so that e0/s0 is not a small number.Fortunat
What is the molarity and osmolarity of a 1 liter solution with .2 moles of calcium chloride. How many molecules of chloride are dissolved in solution
Two spectral lines occur at 576.8217 nm and 577.1432 nm. If a grating monochromator has a reciprocal linear dispersion, D^-1, of 2.4 nm/mm, what is the maximum slit width, in mm, needed to achieve b
You carefully weigh out 20.00 g of CaCO_3 powder and add it to 81.00 g of HCL solution. You notice bubbles as a reaction takes place. You then weigh the resulting solution and find that it has a mas
What is the oxidizing agent, the reducing agent, and the substances being reduced and oxidized for the following Redox Equation
Ferrophosphorus reacts with pryite producing iron(II) sulfide and a compound that is 27.82% P and 72.13% S by mass and has a molar mass of 444.56 g/mol. a) determine the empirical and molecular form
Predict the products of the acid-base reaction between acetic acid and methanamine. Draw the molecules or ions and include charges were needed.
Ionization energy is the energy needed to eject an electron from an atom or ion. calcluate the ionization energy, IE, of the one- electron ion B^4+
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.085 nm it then gives off a photon having a wavelength of 902 nm. what is the final state of the hydrogen atom
Hydrogen atoms are excited by a laser to the n=4 state and then allowed to emit. What is the maximum number of distinct emission spectral lines that can be observed from this system? Calculate the w
Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction: ?H3PO4 + ?Mg(OH)2->?Mg3(PO4)2 + ?H2O
The density at 20 degrees celsius of a 0.500 M solution of acetic acid in water in 1.0042 g/mL. what is the molality of the solution? the molar mass of acetic acide, CH3CO2H is 60.05 g
has a standard free-energy change of -4.00 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40
Ionization energy is the energy needed to eject an electron from an atom. Compute the ionization energy of a hydrogen atom in its first excited stat (n=2)
a line in the Balmer series of hydrogen has a wavelength of 434 nm from what state did the electron originate