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An unknown compound was decomposed as well as found to be composed of 1.36 mol oxygen, 4.10 mol hydrogen and 2.05 mol carbon. Explain what is the empirical formula of the unknown compound?
A conversion factor is a(n) used to express a quantity in different units of measurement. Multiplying by a conversion factor is the same as multiplying because the numerator and denominator are equivalent.
given that the solubility of o2 in water at 0 degrees c is 14.7ppm calculatenbspa the concentration of dissolved o2 in
You are going to administer 201 / 81 Ti to a patient in preparation for a stress test in a patient with possible coronary artery disease. The half-life of 201 / 81 Ti is 73.0 hours.
if you prepare a 1.00 nh4clo4 solution of beginning with water at 21.5 what is the final temperature of the solution in
The diameter of a neutral helium atom is about 168 pm. Suppose we could line up helium atoms side by side in contact with one anohter. Approximately how many atoms would it take to make the distance 1 cm from end to end.
Other than precision and accuracy, Define what are two advantages of using a burette for measuring reaction volumes as opposed to a graduated cylinder
At equilibrium, the concentration of [H2]= 0.6 M. What is the EQUILIBRIUM concentration for [H2],[I2]and [HI]? H2(g) + I2(g) 2 HI(g) [HI] =
Draw and exlpain using representation of molecular orbitals the structure and bonding found in ethane; indicate clearly the structure
given the following bond enthalpy values calculate the enthalpy of formation for gas phase isopropanol c3h7oh at 25
Provide a structure for the following compound: EI mass spectrum: two molecular ions of about equal intensity at m/z = 180 and 182; IR: 1740 cm-1; 1H NMR: ? 1.30 (3H, t J = 7 Hz); ? 1.80 (3H, d, J = 7 Hz); ? 4.23 (2H, q, J = 7 Hz); ? 4.37 (1H, q, ..
Air bags are activated when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. This causes sodium azide (NaN3) to decompose explosively according to the following reaction.
A concentration of 0.5 ppm by volume SO2 in air is harmful to plant life. What is the percent by volume of this concentration
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