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How many (a) kilometers, (b) Meters (c) centimeters, ad (d) millimeters are there in 0.800 miles calcuted to the correct numbers of significant figures? The conversion factor is 1 mile.
Mt. Kilimanjaro in Tanzania is the tallest peak in Africa (19,340 ft.). On a particular day, the barometric pressure at the top of the mountain was 330 torr. On that day, at what Celsius temperature did water boil on the top of the mountain?
If the equilibrium constant for the reaction H2O + CO = CO2 + H2 is 2.5, the equilibrium conversion of CO is lower than 65%
Which one of the following compounds is not consistent with the terminology of a complex? A) [Cu(NH3)4]2+ B) D) [Cr(NH3)6]Cl3
What volume of the solution must be used to make 800 mL of 0.15 M. potassium permangate from a 0.20 M. potassium stock solution.
How do you determine what region the electromagnetic spectrum lamda = 8.67x10^-7 m corresponds to : UV , Visible or IR
Draw all the resonance structures for the N2O4 molecule. The skeletal structure of the molecule is
which observed color band corresponds to the largest energy difference between levels and which is the smallest?
The concentration of HCl in a bottle was determined as follows: •3.00 mL of the acid were diluted to 250.00 mL •102.40 mL of the diluted acid were titrated with 0.08212-M NaOH
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
What is the pH of the solution in the cathode compartment of the following cell if the measured cell potential
An unknown carbohydrate compound has the empirical formula CH2O. A solution consisting of 0.515 g of the carbohydrate dissolved in 1.717 g of acetic acid freezes at 8.8°C
a three carbon species that has a carbon level of zero at each carbon atom. b) two compounds that contain three carbon atoms and have a carbon atom with a carbon level of 1.
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