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Write a net ionic equation for the reaction that occurs when aqueous solutions of hydrobromic acid and potassium hydroxide are combined.
explain how society depends on the accuracy and precision of measurements for products sold by the retail industry such
An organic compound X contains C, H, and O. A 16.69 g sample of X underwent combustion analysis, leading to the production of 44.71 g CO2 and 10.99 g H2O. What is the emperical formula of the compound?
a reaction mixture initially contains a br2 partial pressure of 765 torr and a cl2 partial pressure of 730 torr at 150
At 0.0C, if the volume of air is 1.8 mL and the pressure of the atmosphere that day is 665 mmHg, what is the number of moles of air?
The concentration of silicon in an iron-silicon alloy is 0.45 wt%. What is the concentration in kilograms of silicon per cubic meter of alloy
The pressure exerted on a 240 mL sample of hydrogen gas at instant temperaure is increased from .428 ATM to.724 ATM. What will the final volume be for the sample be?
Fluorine has a greater first ionization energy than iodine, and the reason for this is because fluorine has a greater amount of shielding of outer electrons by inner electrons than does iodine.
If the anhydrous compound (AC) in the preceeding problem has a molar mass of 160g/mol, what are the water crystallization (X) and formula for the hydrate
If you fill the larger tank with oxygen to a pressure of 135 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
Volume of added base required to reach the equivalence point? State the pH at one half of the equivalence point
The normal respiratory rate for a human being is 15.0 breaths per minute. The average volume of air for each breath is 505 cm3 at 20 ? C and 9.95 × 10 4 Pa.
Write the structural formula of the main organic product for the following reaction between an alcohol, tosyl chloride and then a nucleophile
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